Anderson Mfg. AR-15 Complete Bolt Carrier Group
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| Bolt Carrier Group Assy., 5.56 NATO, M16 Profile, Nitride Bolt & Carrier Retail Packaged The 223 Bolt and Bolt Carrier group comes complete with Cam Pin, Firing Pin and Firing Pin Retainer. Compatible with 5.56 NATO, .223 REM, and .300 Blackout RF-85 Treated: Non-treated Bolt Carrier Finish: Nitride Bolt Carrier Material: 8620 Steel Bolt Finish: Magnesium Phosphate Bolt Material: 9310 Steel |