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Mfg Item #: HMBBCGAR15
HM Defense HMBBCGAR15 HMB 223 Rem/5.56 NATO Bolt Carrier Group, 4340 Hardened Steel Cam Pin, 9130 Steel w/Black Nitride Finish
Model | HMB |
---|---|
Series | Bolt Carrier Group |
Material | 9310 Steel |
Bolt Type | Drop In |
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