Ammunition Storage Components 6.5 Grendel AR-15 Magazine - 15 Round

10 Reviews

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Ammunition Storage Components 6.5 Grendel Stainless Steel Magazine is a high quality, exceptionally reliable magazine designed specifically for the popular 6.5 Grendel cartridge. Manufactured entirely in the United States of America using 0.020 gauge 410 Stainless Steel Alloy using cutting edge robotic manufacturing techniques and finished with ASC's proprietary Marlube finish. Marlube is a wear-in coating that burnishes the surface and provides self-lubricating properties for further enhanced reliability. These quality AR mags feature interior dimensions with an over-all length of 2.316" (+- .002"), making them ideal for handloads. It also has a bright blue polymer follower so you can easily tell this mag apart from your other AR-15 magazines in the pile by your safe.

  • Made from 410 Stainless Steel alloy
  • Self-lubricating finish
  • Designed for AR-15 pattern rifles that shoot 6.5 Grendel
  • Enhanced anti-tilt polymer follower
  • Chrome silicon springs
  • Powder coated matte black finish
  • Stainless steel floor plate
Ammunition Storage Components, also known as ASC is a Connecticut based magazine manufacturing business and produces magazines from all the popular calibers like .223, 7.62, 9mm, 6.5 Grendel, and many more. They only use the highest quality aluminum and steel to build their mags so that you can rely on them in any situation. ASC utilizes cutting edge robotic manufacturing technology to provide a consistently quality product at affordable prices.
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BrandAmmunition Storage Components
Caliber Gauge6.5 Grendel
Magazine Capacity15
ManufacturerAmmunition Storage Components
PlatformAR-15 Magazines
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to

Ratings & Reviews

10 reviews


Fourteen-Round Mags?

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Advertised as fifteen-round capacity, these accept a fifteenth round only if you have god-like hand strength. Function is otherwise okay. Contacted ASC, who was initially responsive, but didn't follow-up. Won't buy again.

No FTF's... Worked great!

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Yes, getting the 15th round loaded is tight but doable. So I just load 14 and it works great. I haven't had any failures to feed. Would buy another!


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Worked flawless in Andersen upper/lower with Bear creek barrel/BCG (Franken Rifle)...fed good. Loading was as advertised...little stiff on the last round, but not bad...just as it should be. I prefer the shorter 15 round mag when given the choice ...and this fit the bill. (Less bullets in the mag means slower shooting...which is important when it comes to these expensive little buggers.)

Great mags

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I bought two of these magazines and so far I’m very happy with them. Both performed well on a PSA lower, no issues what so ever and rifle cycled every single bullet. Used hornady black and wolf ammo.

15 for the price of 10

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All i have been able to find are 10 and 5 rounders, so glad i tried these 15 rounders will be ordering more. Great product and price


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I purchased 3 of these for a new 6.5 Grendel build. The cartridges seem to fit fine in the magazine until the 13th cartridge, approximately. At that point, the rims do not seem to align. After a few light smacks on the back of the magazine, they seat properly, but the last round is noticeably misaligned (does not point straight forward).

1 of the magazines seems to work without any issues. Another of the magazines seems to work most of the time, but sometimes has a hangup on the 4th round. The final magazine works maybe 20% of the time, often because the bolt cannot strip the cartridge.

They were cheap, but I would never count on these magazines when its important. Next time, I will try the more expensive (but higher rated) E-Lander magazines.

Not consistent

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I have 3 of these magazines (all 15 round mags). 2 of them I purchased from primary arms. The first 2 mags I shot had zero issues. The 3rd fits very loose, fails to feed about every 2 rounds, and the last 2 rounds won’t feed at all. Tested in 2 different rifles with same results. Maybe I just got one bad one that slipped through QC.

Solid magazine

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All around solid magazine. Only con I’ve seen is after some use is the finish comes off but aside from that solid spring and catch and No play in magwell.

Good mags for 6mm ARC

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Works great for 6 mm ARC.

Great mag for 6.5 Grendel

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Work great and the blue follower helps differentiate them from other mags