HMB BCG w/ Reinforced Cam Pin Sock Product Info for HM Defense HMBBCGAR15 HMB Bolt Carrier Group 223 Rem,5.56 NATO Black Nitride 931 HM Defense HMBBCGAR15 HMB Bolt Carrier Group 223 Rem,5.56 NATO Black Nitride 931 - Specifications... MSRP: Was: Now: $149.99 Out of stock
