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31 Round Magazine Glock .40 Cal - KCI

 31 Round Magazine Glock .40 Cal - KCI
31 Round Magazine Glock .40 Cal - KCI
 31 Round Magazine Glock .40 Cal - KCI
31 Round Magazine Glock .40 Cal - KCI
 31 Round Magazine Glock .40 Cal - KCI
31 Round Magazine Glock .40 Cal - KCI
 31 Round Magazine Glock .40 Cal - KCI
31 Round Magazine Glock .40 Cal - KCI
 31 Round Magazine Glock .40 Cal - KCI
31 Round Magazine Glock .40 Cal - KCI
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KCI manufactured Glock 31 Round .40 Magazine

Manufactured by KCI of South Korea , Glock drop-free magazines for your Glock .40 handgun. These aftermarket Glock magazines have a hardened steel insert encased in high tech polymer (fully metal lined). This polymer coating protects the magazine and prevents deformation, even when dropped from a great height.

  • Fits all Glock .40 pistols such as the 35, 22, 23 & 27 models
  • Capacity: 31 Rounds
  • Caliber .40
  • Construction: Polymer/Steel
  • KCI manufactured and made to last.
This quality replacement magazine for a Glock .40 firearm is constructed from steel and polymer just like the factory Glock mags. Each will work with all generations of Glock's including those with ambidextrous magazine releases & can be rebuilt using factory magazine parts.

Like many new magazines, these have an extremely stiff springs from the factory. It may not be possible to initially load them to full capacity. Loading half of the listed capacity and leaving it loaded overnight before the first use will ease future loadings. These do take some break in time to get these to work in some cases.

Please note: This item is sold as since it is an aftermarket Korean magazine and not a Glock factory OEM magazine. They are priced to sell no longer available and to most people are worth taking the plunge.
SKU: HKNAKCI2297
Origin: Korea
Condition: New
Caliber: 40 S&W
Magazine Capacity: 31
Magazine Type: Magazine
In Stock
Price: $29.95
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Product Reviews

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"Really good mag for a really good price."

Patrick Deshazo on 2/16/2014 2:37:52 PM

Stars Rating:


Comments and Suggestions: Love this mag, haven't had any problems with the chambering of rounds, love how there's a grip on the mag itself for steadier aiming. Only reason it isn't 5 stars is that the 2nd round sounds loose in the mag when you shake it. Hasn't been a problem, YET. But we'll see with the more rounds I put through it...


"high cap mag"

Dubfire98 on 2/14/2014 5:17:17 PM

Stars Rating:


Comments and Suggestions: Bought one of these for my G33. Mag spring was nice and stiff. Loaded by hand. I ran Remington umc fly thru it with no problems. Fed great ran awesome even with Fast firing patterns. I'll buy more


"Great price! Super fast delivery!"

Chris Simons on 1/27/2014 11:01:20 AM

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Comments and Suggestions: I have not had the chance to run any rounds through the mag yet, but i was surprised that i could actually get it loaded by hand! Solid mag, will definitely be buying from HK Parts again, shipping was really fast and i even got a smiley face on my packing slip!


"Really surprised!"

juan toledo on 1/16/2014 6:29:45 AM

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Comments and Suggestions: I ordered 6 mads not really knowing what to expect but upon receiving the items I have to say that they looked very well made and when I went to load them up the springs were really tight that's a good sign I'm still waiting to go shoot but to all of those looking to buy these mags are skeptical because they're Korean well they're worth every penny as a matter of fact I might be ordering more.


"Perfect function for half price"

Kevin McDonald on 11/30/2013 11:45:17 AM

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Comments and Suggestions: Highly recommend the KCI mags. They work exactly as OEM Glock and we're available. I have found virtually no difference in appearance, form & function of these mags. No failures of any kind through about 500 rounds of plate shooting.


"Glock 23, 31 Round Extended Mag"

Jacob Page on 11/23/2013 9:42:31 AM

Stars Rating:


Comments and Suggestions: I was really pleased with this product. The mag fit snug in the mag well. This is a must buy for your glock!


"Good"

Xavier Rosario on 11/20/2013 12:47:36 PM

Stars Rating:


Comments and Suggestions: Is a good company and the product very fine.


"HK parts is a one of the best online store for buying parts for firearms"

Gabriel Guzman on 11/5/2013 8:18:44 AM

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Comments and Suggestions: All my orders delivered correctly and very fast..


"Works Well with Quality Ammo"

Dave K. on 10/8/2013 4:42:56 PM

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Comments and Suggestions: I bought these to use with my Kel Tec Sub 2000 (.40 S&W). I was disappointed at first because I got a lot of Failure to Eject malfunctions with them and I wouldn't get any FTE's with the 10 round OEM magazine. That was with cheap, remanufactured ammo though. I've since run Wichester White Box and Federal Champion ammo throught the KCI magazines without any problems. I would be willing to buy more of them (especially from HK Parts) now that I know they run well when you use decent quality ammo an... More details


"great product"

ruben lopez on 9/30/2013 7:00:33 AM

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Comments and Suggestions: Great product, fast shiping! I allready use it and works perfect


"Cali friendly"

Ignacio Arriaga on 9/27/2013 11:55:19 AM

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Comments and Suggestions: HK parts is awesome because I'm from California and I go to Vegas a lot to shoot my 30 round mags got damaged and I was able to order rebuild kits. so thank you for that.


"Great product"

ruben lopez on 9/25/2013 7:28:33 AM

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Comments and Suggestions: Great product.


"Glock Hi-Cap Magazines"

Allen Blackburn on 7/19/2013 9:51:48 AM

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Comments and Suggestions: Great quality Magazines. Both functioned perfectly. I will definately purchase additional. Shipping was very quick. Great Company.


"Glock Magazine"

Richard Minyen on 6/29/2013 10:58:31 AM

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Comments and Suggestions: Great transaction, they delivered very quickly, high quality! Thanks again!


"KCI .40 mags"

mrshtfguy on 5/14/2013 2:16:05 PM

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Comments and Suggestions: Good Mags just be sure to use graphite. I purchased 8 mags. Graphite makes these mags 100% reliable


"MrSHTFguy"

donald wheelington on 5/11/2013 10:36:52 AM

Stars Rating:


Comments and Suggestions: This is the only place I have been able to find these magazines, I am thankful. The springs are stiff and the ammo does hang up using these mags. Dry Graphite will be necessary for proper feeding. Dry graphite will not hurt ammo or gun. Just dont use to much. I have 10 of these mags with the use of Dry Graphite these mags are 100 percent feeding. Just a FYI. Hope this helps someone.


"31rd .40 glock mag"

Marc Taylor II on 5/8/2013 3:32:24 AM

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Comments and Suggestions: It works well cycles flawless and hkparts shipped fast and a nice hk sticker came with the purchase (looks BA on my truck window)


"KCI .40 31 round mag fix"

don w on 5/3/2013 5:05:45 AM

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Comments and Suggestions: I have 10 of these KCI .40 mags, for anyone having problems with there mags take the bottom plate off look inside mag halfway up you will see some plastic that needs to be removed take a sharp knife and scrape excess plastic till inside of mag is smooth... I have 10 of these mags and they perform flawlessly after step above is completed. Also load mags 15 rounds over night.. then next day load to full capacity, and blast away... Hope this helps someone.


"KCI Glock 31 Round .40 Magazine"

Bolivar Rodriguez on 4/26/2013 12:10:46 PM

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Comments and Suggestions: Very Nice Product, Fast Shipping. Amazing Store, Thanks


"very good product"

Luis Olague on 4/23/2013 7:04:52 AM

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Comments and Suggestions: Excellent! Went to the range and this mag held up nicely.


"Finally Tested"

Dan Alesch on 4/19/2013 11:43:12 AM

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Comments and Suggestions: I finally found some bulk ammo last month at Gander so I could afford to blast some off to test this massive magazine. I got it for my Glock 23 Gen 4 for more as a novelty item, but sure looks impressive when I put it in my concealed holster under my arm! haha. I found once fully loaded it is a very tight fit into the gun and doesn't slide out pushing the mag release but that didn't bother me. I fired off all 31 rounds with out a problem and my next range visit I'll have to get someone to record... More details


"Nice Magazine"

Bolivar Rodriguez on 4/8/2013 2:20:28 PM

Stars Rating:


Comments and Suggestions: Fast Shipping, Great Service. I love it, is how it was described. NO JAMS.


"It's worked with no jams"

OSCAR ZUNIGA on 4/4/2013 4:10:15 PM

Stars Rating:


Comments and Suggestions: I've used it several times at the shooting range with no problems. springs are tight so loading bullets is tough at the end.


"31 Round Magazine Glock .40 S&W - KCI"

steven barber on 4/4/2013 9:45:15 AM

Stars Rating:


Comments and Suggestions: Great product,the fastest shipping anywhere on the internet.Good job Adam A+.


"Sorry"

Kenneth Coryell on 4/3/2013 12:29:06 PM

Stars Rating:


Comments and Suggestions: I recently purchased two of these. One works OK, the other does not feed properly. It jams repeatedly 5 or 6 times when trying to shoot through 31 round loaded magazine.


"nice"

jennifer schintz on 3/31/2013 3:46:39 PM

Stars Rating:


Comments and Suggestions: I love it, is how it was described and shipped fast shoots very good no jamming


"31 round clip"

Derek Millard on 3/27/2013 10:38:45 PM

Stars Rating:


Comments and Suggestions: So far so good looks like the slide on my glock may be wearing on the top plastic wish they were made of steel


"Hi cap is fun!"

WILLIAM WELLS on 3/25/2013 9:26:00 PM

Stars Rating:


Comments and Suggestions: Great product, great turn around! Get them while you can.


"Glock .40 mag"

Jeffrey K on 3/23/2013 9:26:20 PM

Stars Rating:


Comments and Suggestions: Very good product...just be ready for a very stiff spring. Follow the other reviews, and load a half mag and let it sit a week and it will be golden. Nice product!


"31 Round mag"

Steven on 3/19/2013 10:42:05 AM

Stars Rating:


Comments and Suggestions: Works great, no jams. Its a must have. Great buy!


"Nice Mags"

Greg Riggs on 3/17/2013 2:31:12 PM

Stars Rating:


Comments and Suggestions: Great Mag, Great Price, Great Buy!


"31 Round Glock Magazine"

Keith Ford on 3/15/2013 5:13:04 AM

Stars Rating:


Comments and Suggestions: I just received my 31 round Glock magazine. I put it in my Glock 22. It looks awesome. I had to take a picture of it and send it to all my friends.


"Glock 40 mag"

Jessica Heney on 3/13/2013 8:19:24 PM

Stars Rating:


Comments and Suggestions: Took em to the range twice, no problems. Need some 50 & 100 round mags for the .40 cal glocks


"great service"

Brandon James on 3/9/2013 4:57:52 PM

Stars Rating:


Comments and Suggestions: Fast shipping, Great service


"Glock mags"

D R Antone on 3/8/2013 2:49:15 PM

Stars Rating:


Comments and Suggestions: Perfect fit, perfect feed, could not have been happier.


"31 reasons to be satisfied"

Michael Feacher on 3/8/2013 7:57:47 AM

Stars Rating:


Comments and Suggestions: I love my new 31rd mag. I'm actually going to purchase another one. Fits perfect on my Glock .40 model 23.


"Glock magazine"

Randall McCrady on 3/6/2013 5:55:56 PM

Stars Rating:


Comments and Suggestions: Works well, no feeding issues and drops free.


"Buy this mag"

Michael Cummings on 3/4/2013 6:39:43 PM

Stars Rating:


Comments and Suggestions: Shipped fast, works well, and looks awesome. I also really like the grip at the bottom if the magazine


"Thak you..."

James Orgeron on 3/4/2013 7:32:17 AM

Stars Rating:


Comments and Suggestions: ...for such a timely delivery on a well priced product.


"KCI 31 Round Magazine"

Dennis Stowe on 3/4/2013 7:29:54 AM

Stars Rating:


Comments and Suggestions: This magazine appears to be working as it was designed to do. I have shot several times with it in my sub2k and it worked flawlessly.I would purchase this again without hesitation.


"My Review"

Marta Snapp on 3/4/2013 7:10:28 AM

Stars Rating:


Comments and Suggestions: HK has fast shipping during these Obama times we are in. The KCI seems fine, just stock piling for now! Price is in the OK range, not over inflated!


"Delivered quickly as promised"

Rob J on 3/3/2013 9:39:17 AM

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Comments and Suggestions: I was treated fairly and product came as promised


"31 round Glock mags"

Todd on 3/1/2013 8:24:34 AM

Stars Rating:


Comments and Suggestions: I was very happy not only to find HKPARTS online, but I was also very impressed with their product selection and ease of ordering. It isn't easy to find a lot of places/stores that carry the kind of inventory HKPARTS does. This may sound childish, but I was literally "giddy" when saw their selection. I was/am also very happy with the speedy delivery, some other web based weapon suppliers let you place your order, then you find out days later that the products you ordered aren't in stock. Not the... More details


"Glock Magazine"

Dave jones on 2/28/2013 10:53:28 AM

Stars Rating:


Comments and Suggestions: Work just like the originals only these babies hold 31 rounds. Less time at the range reloading all the time.


"magazine clip"

JAMES CAVE on 2/27/2013 7:18:30 AM

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Comments and Suggestions: Shipping was fast, and product is great.


"Great Product For Glock 31"

adam hall on 2/26/2013 6:42:30 PM

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Comments and Suggestions: I'm actually using this in my Glock 31 .357 sig but works perfect.


"Great product for the Price"

Taylor Bundt on 2/26/2013 1:09:41 PM

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Comments and Suggestions: I bought 4 of these and loaded all four 31rd magazines back to back with no problems. I used my Glock speed loader and continued to tap the bottom of the magazine to get the rounds to set right. Magazine is well made and reliable. Can't beat the price!


"KCI Extended Glcok Mags"

Phillip Teague on 2/26/2013 1:01:22 PM

Stars Rating:


Comments and Suggestions: For those "Glock perfectionists", they may find these to be sub par, But for me, a shooting enthusiest it's great. I will warn that I only got 20 bullets in the first night and let them sit for about 3 days/took out for three days/then it loaded to capacity....with effort. Around the feedlips, the plastic is not as "clean" or "defined" as a glock factory, but the function is flawless. I hate when people say "for the money", so I will say regardless of price....great mag. Buy one now while you st... More details


"Great!"

Cody Lee on 2/25/2013 12:01:09 AM

Stars Rating:


Comments and Suggestions: Super fast shipping and a good mag!!


"KCI = Meh"

Scott on 2/24/2013 11:12:18 AM

Stars Rating:


Comments and Suggestions: These will tax your thumbs if you don't have a loader, which I don't. The springs are over kill, the follower catches and the inside of the mag has some quality issues. I have filed down the insides, lubed the spring, and slowly loaded .40 but it does not seem to be easing up. One mag I was able to get 22 rounds in there and the other is only allowing 9. Would I trust my life to these? No, probably not. Would I trust these at a range? Sure, as long as no one is shooting at me.


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