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ASC AR15 10-Round Long Magazine 5.56/223/300BLK

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ASC 5.56/223 Stainless Steel magazines (10-round, permanently blocked) are an improvement on the classic USGI steel mag, with the highest levels of durability and increased longevity - simply the best in the industry. ASC magazines are manufactured 100% in the USA using .020 gauge 410 Stainless Steel Alloy and heat-treated for superior strength and lasting endurance. They are chemically treated for corrosion resistance (ref QQ-P-35) and coated with a proprietary finish, Marlube, which is a wear-in not wear-off coating that burnishes into the surface providing it self-lubricating properties. The interior dimensions of OAL 2.316" ± .002 are perfect for any type of 5.56/223 ammunition as well as reloads.

This magazine fits with the following calibers: 5.56x45mm, .223-Remington, 300-Blackout.

AR15 magazine

Made in USA


  • Chrome-silicon springs for enhanced feeding and extraction
  • Enhanced anti-tilt polymer followers
  • Body made from 410 stainless steel alloy and heat-treated for longevity
  • Coated with Marlube, a self-lubricating finish that prevents corrosion, galling, seizing, and fretting
  • 300-series stainless floor plate that can be removed for cleaning, etc

Laser Engraved with American Flag

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  • 5
    AR15 laser engraved magazines, w/American Flag

    Posted by Michael Provenzano on Jun 18th 2020

    Live in Jersey , 10 round mag the limit, these are size of normal 20 round, which make the weapon esthetics more desirable. Not to mention the beautiful laxer engraved American Flog. I also have put based the dust cover for ejection port, and American Flag charging rod. All are excellent, beautiful, and enjoyable