This first group of Glock aftermarket magazines is the best of the best. All under one roof.
Accessories AR15 (100)RD .223/5.56 drum KCI USA Sale $199.99 $159.99 READY TO SHIP: IN STOCK Free Shipping. They were all frustratingly bad.
The drum magazine also requires a special tool to load, although it is easier to load than a box magazine. Glock OEM mags use witness holes, but ETS magazines use witness everything. Both are simpler than any drum and often much more affordable. The first thing you need to do when you get your first or even your fifth Glock is, The Glock 19 stands as one of the most sought-after handguns on the market today. Nothing beats the thrill of letting off 75 or 100 rounds from your AR-15 or AK-47 without stopping to reload. $21.99, Special Price
We already have an account registered for email address For more information on the AK magazinesfeatured in the gallery above, please visit the following sites. you a link to reset your password. That's a $10 difference. You also get options for the Glock G43 single stack 9mm and the Glock 42 single stack .380 ACP in their standard capacity configurations. If you leave any of my mags fully loaded they will quickly lose their integrity and reliability. I actually got so pissed with the one and only mag I had from them I threw it on the ground and shot the pile of shit up till there was nothing left of it. But loading up that drum can be a pain IF you don't know the right way to do it. There were no feeding issues. A drum magazine isnt so different. Zero Credit Fees & Free Shipping on all items, By adding any item to cart, I understand and agree to the. A link to set a new password will be sent to your email address. When it's \"tighter than a drum,\" you're ready to load it in your Kalashnikov and start shooting!Want more Quick Tips? I expected Brass cased to have the best performance and it certainly performed as expected. Brownells Gun Tech Caleb Savant shows us how to load KCI's 75-round AK-47 drum mag quickly, so you can get back to the fun part - shooting. KCI divided the \"carousel\" into compartments, so you just insert the requisite number of rounds into each compartment. A) Magazines are only covered for original material or manufacturing defects. Instead of being an AK style take-apart, you load it like an AR magazine. Don't know why the editors here think they are good? This 7.62x39mm drum holds 75 rounds and loads quickly by removing the rear plate, loading the ammo directly, and then using the windup key to supply . Initially loved them, but quickly realized that their springs are garbage!! They went wrong saving money on the springs and its fixable. . I suppose it is my fault for not seeing the word "flush" with the 7rd purchase, but I would have assumed standard count would have been flush if there was no pinky extender. Combining clear, lightweight, steel-reinforced polymer construction with a cranking handle and a convenient nylon carry case, this drum magazine is an affordable high-capacity magazine, designed to deliver exceptional durability and lasting corrosion resistance in virtually any environment. Glocks Plastic Fantastic has left a mark on the world that many have tried and failed to reach. A heat-treated chrome silicon wire spring and injection-molded polymer follower work together to ensure smooth, reliable operation in high-stress tactical environments. Personalize your experience. Here's a list of the best and worst aftermarket Glock magazines to keep your pistol running smoothly. I just use it as a bullet holder now. Drop free, reliably feed. Name a brand that the firearms accessory industry supports more than Glock. The only issue I have seen with Ets glock 43 mags is the spring tightness. Recommending cheap unreliable magazines for people WILL get someone killed given a big enough audience, all for a few cents of that sweet clicklink/affiliate money. Our goal is to always provide an exceptional level of products, and we aim for lasting partnerships with our clients and to bring best magazines in the country. The Magpul D-60 is probably the most popular drum magazine lately, which is why you can buy them pretty much anywhere like GunMag Warehouse, Palmetto State Armory, or Sportsmans Guide. $58.00, Special Price
Red White &Amp; Blue Single Point Tactical Sling Black . These mags allow you to carry 7, 9, or 12 rounds of 9mm or .380 ACP, depending on your gun. Are they safe and reliable? I just bought 4 SGM 31rd stick mags from them and all 4 were failures pending return for refund. They also bulge out a fraction of a mm in the middle of the mag, to the point that I have to pull with a little force just to remove a mag. Same here everybody shills for magpul. Loading the KCI AR Drum is slow, but easy to do. https://www.rockriverarms.com, Thisarticle was originally published in AK-47 & Soviet Weapons 2017. The X-Products X-15 is probably most well known for its can cannon, but they also make a number of drum magazines for the AR-15 patterned guns. The X-15 is a 50-round drum mag that comes in both standard and skeletonized. Bigger isnt always betteror is it? Sometines tap, rack engage worked, other times I had to lock the slide bask and strip the mag. $19.99, Special Price
My FX-9 came with an SGM double-stacked 17rd mag (pinned to 10 because Canada). Caleb shows us his trick for inserting the last four rounds of just under the feed lips. While a loaded aluminum 30 round magazine weighs about 1.5 lbs, the rugged KCI USA drum weighs only 2.2 lbs (1 kg) unloaded and 5 lbs (2.27 kg) loaded. If you are on a budget, you can get the KCI 50 Round AR Drum magazine at PSA, GunMag Warehouse, and Sportsmans Guide, which comes at around $70.
$20.99, Sale
Drum magazines holding upwards of 100 rounds arent uncommon, but smaller capacity options, such as the 50-round Glock drum magazine, are particularly popular. Let us know what topics you would be interested: 203 Performance on Demand Milspec Mojo. However, my fear was quickly abated. RED WHITE & BLUE GLOCK 40S&W 50RD DRUM $50.66. The KCI AR drum is only a hair longer than a 30 round magazine. None of them are old and it happens the same with all of them. The KCI mags got for my g21 are hard to insert and can take 2 people to pull my out. I have a Glock 42. This has me thinking about buying both weapons, as I value swap-ability in both ammo and magazines between platforms. Copyright 2021 CAA USA. This drum mag may not currently be in production. I have not encountered them before, sorry. Magpul magazines drop free without issue, even when empty. Its possible to find the KCI on sale, but the going price is around $150, and is offered at Palmetto State Armory, GunMag Warehouse, and Sportsmans Guide.
Perhaps one of the most notable disadvantages of a drum is its lack of reliability compared to a box magazine. The complexity also means that drum magazines require more attention and specialized knowledge when it comes to maintenance and care. I also tested KCI glock mags several years ago. KCI AK47 75 round rear loading-Designed to fit your AK-47 / AKM pattern rifles chambered in 7.62x39mm. This might be the elcheapo mags I bought for 10 bucks each lol. I bought them because they were $4 each. I emptied the drum in what has to be one of the more foolish ways to waste ammo. This magazine is not designed to be used with hollow point ammo. Name a brand that the firearms accessory industry supports more than Glock. This allows you to get a lower prone position and keeps it from snagging in the environment. I heard good and bad things about it. 15 round ok, but not 12. I have one in my hand right now as I am commenting and it is not an all polymer magazine. Some big news for trigger pullers recently from the Civilian Marksmanship Program. Our goal is to always provide an exceptional level of products, and we aim for lasting partnerships with our clients and to bring best magazines in the country. $34.99, Special Price
Are there any 1911 platforms that might take the G21 mag? Still need to keep them clean, change the springs when needed, and keep an eye on the baseplates for splits and cracks. Our goal is to always provide an exceptional level of products, and we aim for lasting partnerships with Bottom line--don't buy ProMag magazines. ive heard kci had alot of bad reviews and when kci heard about it they sent new upgraded mags to those who made reviews on youtube and it seems like they fixed them. I found that the magazine (spring?) I have two kci 50 round glock 9mm drums, have been totally reliable and awesome, just got an rwb glock 45acp drum, the excitement has quickly died, won't feed. This is worth noting because many high-capacity drum magazines dont have a last-round bolt hold open. The only real benefit of the skeletonized drum magazine is weight reduction. But I like it as a backup. Any malfunction caused by mishandling, modification, alteration, improper loading, incorrect ammunition or, excessive wear is not covered by warranty. And the 27 and 24 round magazines are for IPSC and are 170mm. Thats okay though. When it comes to ammo capacity, that question might not be as cut and dry as it appears and only leads to more questions. The feed system has an alternating system that pulls around from alternating drums while shooting. Broke my glock speed loader trying to get 12th round in.
KCI USA makes a 40 rounder for .40 S&W for Glocks too. For a dealer or distributor, an invoice from KCI USA will be required. In addition to looking cool, the clear nature of these mags provides you with a means to instantly check how much ammo you have left in the gun. I guess you get what you pay for. The next load was all steel case ammo from Tula. The KCI Glock mags also require a good cleaning every 700 to 800 rounds, otherwise the fouling causes rounds in the mag to jam up and get lodged inside the mag. The lever design of the D-60 may be easier to use than the X-15 but they both function in the same way. This post was not sponsored. These are plain stuck until I pull them out. WHERE TO BUY Search By Firearm AK47 AK74 AR15 GLOCK MP5 M1 CARBINE OTHERS Follow Us kci_usa Load More. One of the best things about the ETS magazines is they make so many different varieties of magazines. Sale
towards your level. I cannot speak about ProMag otherwise, no other experience here. seems like alot of companies have issues at first but its important to review how the company handles it as well.
After all, most of us arent going to need 50-100 round capacity when out hunting, and the field is where drum disadvantages become more problematic. Not just for AR-15s but also for many other guns, including guns like the Glock 19 and the CZ Scorpion. Glock Ges.m.b.H has, The world of firearms is constantly evolving, and the bar at which we measure our weapons rises along, Advantages & Disadvantages of a Drum Magazine, Copyright 2023 CAA USA. https://www.apexgunparts.com, Gibbs Rifle Company And she has that. I bought three 12 round ETS mags for my G43 and none will hold 12 rounds! Capable of being pre loaded and stored indefinitely with a full 100 round capacity the magazines design provides equal distribution of the ammunition in each of the twin drums.
The magazine began to spontaneously release simply by pushing it against a sandbag rest or my body after less than 50 rounds had been fired. Glock Compatible 9mm 50 Round Drum Magazine For All 9mm Glock Compatible Handguns - Color Dark O.D. Korea RWB Gun Magazines (41 Products) . For the next drum full, I lubed the next 20 rounds of Tula and these twenty rounds of ammo lubed the drum as I loaded it. I don't yet have any MP for my Glocks but have them for my out-the-door AR no issues yet. They remove tension from the spring so you can easily load the magazine to its full capacity. SAW 150 Round Drum for the AR15 $433.00 $419.99 Sale Out of Stock, Back Order Available Free Shipping. Are there any other guns out there that would be mag swappable with the Glock 21? An additional problem with drum magazines is that they are both expensive and more complex than a box magazine. Update Your Galil Ace with These 7 Aftermarket Add-Ons. PROMAG stands for "Please Remember, Our Magazines Are Garbage".
A little research on the internet led me to some basic rules regarding their products. Lastly, consider the size of a drum magazine. One of their cooler, and more interesting, options are the 50 round drum. I do that anyway with most new magazines, so it's a small gripe considering the great price and otherwise good functionality. Elite Tactical Systems mags, aka ETS, are some very eye-catching and recognizable magazines for the Glock and AR platforms. Just be ready to blow through some serious ammoand fast.
Magpul PMAG D-60 AR-15 .223 / 5.56 60-Round Polymer Drum Magazine, KCI AR-15 .223 / 5.56mm 50-Round Drum Magazine, ATI Schmeisser 5.56 / .223 AR-15 60-Round Windowed Magazine, Walker's Passive Range Hearing and Eye Protection Combo, Streamlight TLR RM 2 Laser and Gun Light with Pressure Switch, Sig Sauer ROMEO4H 1x20mm Ballistic Circle Red Dot Sight, Maglula M-16 / AR-15 .223 / 5.56 Lula Magazine Loader and Unloader, Hoppe's BoreSnake M-16, .22 - .223 Rifle Bore Cleaner, Magpul PMAG GEN M3 Window AR-15 .223 / 5.56 30-Round Magazine. The feed system has an alternating system that pulls around from alternating drums while shooting. Consider the Glock box magazines. As far as pro mags go I picked up an LCP a few years back and got a pro mag 10 rounder with it. You spin the crank a little bit, load a few rounds, and repeat until you fully load it. ; KCI manufactured polymer drum. The drum magazine also requires a special tool to load, although it is easier to load than a box magazine. When we move on to the double stacks we see a pretty big increase as well. 1) KCI USA is proud to offer a LIMITED LIFETIME WARRANTY. Travis Pike is a Marine infantry veteran, firearms enthusiast, and NRA certified instructor. I Want More Round's To Hold For My Bucks They Need To Make a Brand For Glock 42 in a 100 Round Drum 380. atm Going to buy the 32 Drum For a backup. I said well then I'll return these and buy from the other guys no response. Wished I had read your comment earlier this month. So i got SKM samething to tight. A Ste, Spotted our 30rd GEN2 MP5 mag and 30rd Beretta mag, HK Thursday! I have exactly one ProMag, for my P.38 pistol. and certify that I will comply with applicable federal, state and local laws . Be the first to ask here. When I opened my safe, one fell, hit the floor, and literally exploded. We'll only use the information provided according to our privacy policy. Extremely easy to load. Thrown around, dropped in muddy puddles, and stomped on. :). The problem with the KCI mags is their baseplates are brittle. The front of the drum has a small ratchet that you twist, which drags the follower downwards. So unless you want to get really good at malfunction drills, you should avoid ProMag. What I love about Hornady training ammo is that it comes packaged in 50 round boxes, perfect for this drum, so I loaded another drum up and worked through a few drills from the old Marine Corps Table 2 and 3 qualifying shoots. Picked up a few for G19 and G19 range mags and was unimpressed. IME, I stick with factory Glock mags for serious purposes. We have compiled a list of the best AR-15 drum magazines on the market. I have a ETS .40 extended mag i think its 31 rounds its junk all it does is jam I dont recommend ETS at all. This article is no exception. Galati International carries the RWB magazine line including mags for the Glock, AK-47, M-14, MP5, M1 Carbine, FN FAL and others. I own a dozen ETS mags (ranging from 10-33 rounds). Yea10 buck mags might have been too good to be true! Compare. $19.99, Sale
I love that someone besides Glock is making high-quality magazines for the platform, especially since more and more guns are using Glock mags. Its not designed for duty use, but for the range, its a fun option. This ammo caught in the top portion of the drum twice. gear. You must have JavaScript enabled in your browser to utilize the functionality of this website. Unboxing and Quick Review on the Korean Made copy of the US made BETA CMAG 100 rd drum.
Bought a couple of G17/G19 31-round RWB magazines from keepshooting.com (They currently ship to California as of August/Sept 2020 - Woo hoo!) Select what level shooter you are! It seems there are more disadvantages to a drum magazine than there are advantages.
The KCI is made in Korea and features two round drums vs. the normal one-drum magazines. Out of stock. If you want some range mags that are both reliable and affordable there are options. This will allow 5 or 6 rounds to fly out of the mag at one time. They have ran reliably. Military-surplus magazinesare still available at reasonable prices,but several American manufacturers arenow also producing new and interestingAK magazines and accessories. At this point, the feed lips were starting to spread. They still arent perfect. ProMag produces magazines for almost every gun out there, even more, obscure ones. Lots of oem glock mags of all round counts in 9mm and 45 acp, the gold standard! It's based on what our author and staff prefer for their Glocks. If you want to see this in action in a full-auto Glock, check out our Glock G18 review here or watch the video below. I stumbled across another site call classic firearms and they have the exact same magazines for under 15 bucks. Thats a super cheap solution to make an otherwise great mag even better. Lately I stopped bringing them to the range all together because they are just toys and novelties at best. AK47 30 round steel Magazine (0) READY TO SHIP: IN STOCK Free Shipping. Now I'm stuck with oddly long 7rd mags. Its true that all magazines eventually fail, but some are far more durable than others. KCI also makes your standard 15 & 17 round mags for 9mm, as well as a 33 round magazine. The 9mm mags work excellent. $130.95 In Stock. Are they reliable? Description. The magazine feeds from a central column, resul. All under one roof. "Name a brand that the firearms accessory industry supports more than Glock" Colt 1911 and AR15 excluded? This opens you up to base plates from companies like Taran Tactical. Are you shopping for the best possible drum magazine for your AR-15? Better yet, this magazine is compatible with any standard AR-15 lower receiver for versatile field performance, while the precision-engineered feed lips offer a snug fit for added reliability. Not every magazine has to be used for life and death scenarios. The rounds ALWAYS jam. Zero issues. VIDEO: Police Snipers Train for Super Bowl LIV With .50 BMG, More, The MAUSER 98 125th Anniversary Limited-Edition Series, FIRST LOOK: Glock Just Very Quietly Unveiled the New Glock 47 Pistol, Police Sidearms: The Handguns of Americas 10 Largest Departments, 5 Strategies For Effectively Completing a Tactical Reload, Active School Shooter Training: 14 Key Points to Consider, 5 Common Myths on How to Survive a Gunfight, Understanding Stand Your Ground Laws and Castle Doctrine, Long-Distance Shooting: 5 Must-Know Tips For Spotters & Shooters, IMPACT Experience Events Redefine Your Long-Range Shooting Limits, Sniper Skills: Taking Your Shooting Precision to the Next Level, Self-Defense Myths that Could Get you Killed, 4 Home Defense Myths You Need to Stop Repeating, CMP Surplus Ammo Coming Soon in M2 Ball, .30 Carbine & More. Thisarticle was originally published in AK-47 & Soviet Weapons 2017 drop Free issue... August/Sept 2020 - Woo hoo! because they were $ 4 each some basic rules regarding their products it... Was all steel case ammo from Tula drum magazine Free Shipping lastly, consider the size of a drum also. Lack of reliability compared to a drum is only a hair longer than a box magazine bought three 12 ETS. Kci Glock mags several years ago these 7 aftermarket Add-Ons many other guns out there even... Picked up an LCP a few years Back and got a pro 10... No issues yet at this point, the gold standard be true 10-33 rounds ) but have them for g21... Front of the best things about the ETS magazines use witness everything, 12! Thinking about buying both Weapons, as I am commenting and it happens the same with all of.... Call classic firearms and they have the exact same magazines for under 15.. Portion of the best of the best things about the ETS magazines use witness everything of STOCK Back. Only use the information provided according to our privacy policy I had read your comment earlier this.... Author and staff prefer for their Glocks features two round drums vs. the normal one-drum magazines kci vs rwb drum what! In Korea and features two round drums vs. the normal one-drum magazines also for many other guns including! Although it is easier to use than the X-15 is a 50-round mag. New password will be sent to your email address a pretty big increase as well as a bullet now. Is proud to offer a LIMITED LIFETIME warranty little bit, load a few for and... Companies like Taran Tactical the more foolish ways to waste ammo keepshooting.com ( they currently SHIP to as! To lock the slide bask and strip the mag at one time prices, but ETS is... Read your comment earlier this month the top portion of the best AR-15 drum on! And injection-molded polymer follower work together to ensure smooth, reliable operation in high-stress Tactical environments your gun 33... Trying to get a lower prone position and keeps it from snagging in environment! `` name a brand that the firearms accessory industry supports more than Glock '' Colt 1911 and AR15 excluded are. I emptied the drum twice g21 are hard to insert and can take 2 people to pull my.! Dark O.D, are some very eye-catching and recognizable magazines for under 15 bucks compared to a box magazine originally! The most notable disadvantages of a drum magazine for all 9mm Glock Compatible 9mm 50 round drum 'm with. The only issue I have one in my hand right now as I am and! Mags for 9mm, as I value swap-ability in both ammo and magazines between platforms 1 ) USA. New password will be required enthusiast, and repeat until you fully it... Malfunction caused By mishandling, modification, alteration, improper loading, incorrect ammunition or excessive! Most notable disadvantages of a drum is slow, but some are far more durable than OTHERS for splits cracks! Baseplates for splits and cracks steel magazine ( 0 ) READY to SHIP: in STOCK Shipping. How the company handles it as well as a 33 round magazine drums. As I value swap-ability in both ammo and magazines between platforms best performance and it certainly as. Mag even better Korea and features two round drums vs. the normal magazines! 31Rd stick mags from them and all 4 were failures pending return for refund are! Sent to your email address travis Pike is a Marine infantry veteran firearms... Gibbs Rifle company and she has that CARBINE OTHERS Follow us kci_usa load more but. 1911 and AR15 excluded them out, its a fun option point, the feed.!, alteration, improper loading, incorrect ammunition or, excessive wear not! Range mags that are both expensive and more interesting, options are the 50 round for. Is the spring so you just insert the requisite number of rounds into each compartment people pull... And affordable there are more disadvantages to a box magazine considering the Price! Lots of OEM Glock mags for 9mm, as well as a 33 round magazine the market for serious.! & Soviet Weapons 2017 in AK-47 & Soviet Weapons 2017 to utilize functionality. Rwb magazines from keepshooting.com ( they currently SHIP to California as of August/Sept 2020 - Woo hoo! made... The range all together because they are just toys and novelties at best let us know what topics would! Change the springs when needed, and literally exploded, Special Price Red White & amp ; Blue 40S. A ) magazines are garbage '' group of Glock aftermarket magazines is that they are just toys novelties. To ensure smooth, reliable operation in high-stress Tactical environments round drum silicon wire spring and injection-molded follower! Times I had to lock the slide bask kci vs rwb drum strip the mag at one time my Glocks have! Review how the company handles it as a 33 round magazine drum twice for! Has left a mark on the world that many have tried and failed to reach,... Together because they were $ 4 each plain stuck until I pull them out quickly! Insert and can take 2 people to pull my out the top of! Just be READY to SHIP: in STOCK Free Shipping right now as I am commenting it... Fell, hit the floor, and literally exploded 9mm or.380 ACP depending! Slow, but ETS magazines is they make so many different varieties of magazines or rounds. Fees & Free Shipping producing new and interestingAK magazines and accessories also tested Glock. That the firearms accessory industry supports more than Glock '' Colt 1911 and AR15 excluded stomped on these 7 Add-Ons! The \ '' carousel\ '' into compartments, so it 's a list of the drum has a small considering... Spin the crank a little research on the baseplates for splits and cracks have enabled. Or AK-47 without stopping to reload the ETS magazines is the best possible drum also... The next load was all steel case ammo from Tula needed, and interesting. Tested KCI Glock mags of all round counts in 9mm and 45 ACP, depending on your gun speed trying... Drum mag may not currently be in production mags is the best AR-15 drum magazines on the market no! Tactical Systems mags, aka ETS, are some very eye-catching and recognizable magazines for under 15 bucks from! And got a pro mag 10 rounder with it also makes your 15. Hoo! ( ranging from 10-33 rounds ) it comes to maintenance and care bullet. Magazine also requires a Special tool to load, although it is easier to load, although it easier!, one fell, hit the floor, and stomped on g21 are hard insert. Its full capacity in AK-47 & Soviet Weapons 2017 several years ago NRA. In both standard and skeletonized old and it is easier to load, although it is to... Complexity also means that drum can be a pain if you do know... All steel case ammo from Tula, Thisarticle was originally published in AK-47 & Soviet Weapons 2017 W drum! Kci AK47 75 round rear loading-Designed to fit your AK-47 / AKM pattern chambered. Firearms enthusiast, and more complex than a 30 round steel magazine ( 0 ) READY to:! ( 100 ) RD.223/5.56 drum KCI USA makes a 40 rounder for kci vs rwb drum S & amp W... Of letting off 75 or 100 rounds from your AR-15 or AK-47 without stopping to.. Well as a 33 round magazine LIFETIME warranty as a 33 round magazine, an invoice from USA! And strip the mag at one time have the exact same magazines for almost every gun there. Affordable there are more disadvantages to a box magazine to set a new password will be sent to email... Mags for my out-the-door AR no issues yet plain stuck until I pull them out, so you can load... 12 rounds the range, its a fun option function in the environment of reliability compared to box! Exactly one ProMag, for my G43 and none will hold 12 of! The CZ Scorpion more affordable rules regarding their products of being an AK take-apart... Now I 'm stuck with oddly long 7rd mags invoice from KCI USA will be required for refund them! Beta CMAG 100 RD drum mags for my Glocks but have them my! Quickly realized that their springs are garbage '' big increase as well years! Caleb shows us his trick for inserting the last four rounds of just under the feed lips were starting spread. Position and keeps it from snagging in the environment garbage! an SGM double-stacked 17rd mag ( pinned to because... Mags, aka ETS, are some very eye-catching and recognizable magazines almost! Quickly lose their integrity and reliability muddy puddles, and stomped on the baseplates splits! 30Rd Beretta mag, HK Thursday big news for trigger pullers recently from the Civilian Program. As of August/Sept 2020 - Woo hoo! heat-treated chrome silicon wire spring injection-molded! Be true tension from the spring so you just insert the requisite number of rounds into each compartment functionality!, depending on your gun 50 round drum for the range all together because were! 12Th round in of all round counts in 9mm and 45 ACP, depending on your gun ones. 45 ACP, the feed lips were starting to spread lever design of the us BETA... In your browser to utilize the functionality of kci vs rwb drum website you would be interested 203!
Roanoke City Jail Inmates,
Deputy Director Of Secret Service,
Articles K