Quantity in Stock: 9mm AR Enhanced Bolt Assembly For Colt and Glock Pattern AR9 Rifles
This 9mm BCG is perfect for your 9mm Pistol Caliber AR-15 Build. Due to the increased rearward velocity, blowback AR systems require a heavier carrier. 8620 Steel Carrier Body with a tool steel extractor bolt carrier group. Carrier is engraved with "Made in the USA". This Bolt Carrier group is nitride QPQ Treated with a Rockwell rating of 72 giving you the hardness needed to withstand thousands of rounds of usage. It is fully assembled ready to install. For use with both Glock and Colt pattern lowers.
This BCG works great with any Colt style 9mm rifle and Colt pattern magazines. We highly recommend ASC mags, which you can purchase here
- 8620 Steel Carrier Engraved with "Made in the USA"
- S7 Tool Steel Extractor
- 4140 Steel Gas Key
- 8620 Steel Weight
- 8670 Steel firing pin Hard Chrome Coated
- Mil-Spec fasteners and staked properly
- Both Glock and Colt pattern compatibility
