RCM HK 53 Locking Piece 15 – 65 Degree
The 15 LP is the correct locking piece for the HK53 and several other custom-build applications. The locking piece is the timing mechanism that a delayed roller lock firearm uses to tell the firearm when to unlock and cycle. Having the right degree or “timing” is critical in the function and cycling of the HK roller lock firearm such as the HK53.
Compatible With:
- HK53
- HK33K
- Other HK-style custom builds
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