Description
RCM HK53 Full Auto Bolt Carrier
US manufactured new-style HK53 factory bolt carrier. The finest HK53 carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for 556/.223 & .300 BLK firearms. This US made bolt carrier counts as 1 US made compliant part. Compatible With:
- HK53
- Custom HK53 builds & clones
- .300 BLK builds
