Description
MMC Armory AR-15 5.56/.223/.300/.350 Nickel Boron Bolt Head w/ Nitride Bolt Carrier Group
SPECIFICATIONS:
Brand: MMC Armory
Platform: AR-15
Caliber Compatibility: 5.56 NATO, .223 Rem, .300 BLK, .350 Legend
Bolt Head Material: 9310 Alloy Steel
Bolt Head Finish: Nickel Boron
Body Material: 8620 Alloy Steel
Body Finish: Nitride
Style: Standard
Gas System: Direct Impingement
Forward Assist Cuts: Yes
Full Auto Compatible: Yes
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