Description
RCM HK 51K Barrel & Trunnion Assembly
The HK 51K barrel front end is an essential starting point for your custom build. This front-end kit is 1/4 of the way to a complete parts kit, ready to be pinned to your receiver flat. Whether you're assembling a new build or upgrading an existing setup, this front-end package ensures a secure foundation for your project.
Includes:
- RCM HK G3/91 Trunnion
- RCM 51K CHF Barrel
- Barrel Pin
Specifications:
- Cold hammer forged (CHF)
- Counts as 1 US made 922r compliant part
Compatible With:
- HK 51K
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