Product Details
RCM, G3 HK91, .223/5.56x45mm, Bolt Head Complete, 922r Compliant
Top quality HK33 HK53 HK93 bolt head from RCM.
The latest generation style bolt head machined from ordnance grade steel and properly heat treated. Perfect for all 556/ .223 & 300 BO roller lock firearms. This is a complete bolt head, ready to be used. We use the Upgraded Gen 1 Roller Retainer spring.
Compatible with HK93, HK53, HK33, C93, C53, V53, 300 BO, Clones or other custom builds
