Description
HK416, MR556, HK417, MR762 – A4 – Handguard Locking Screw
Replacement locking screw that secures the A4 handguard to the upper receiver.
Compatible With:
- HK HK416 A4
- HK MR556 A4
- HK HK417 A4 (2 required per handguard)
- HK MR762 A4 (2 required per handguard)
