Description
Heckler and Koch Barrel nut for MR556A1 rifle
All steel barrel nut. This item is a must-have repair and replacement part for removal or when you have any work done to your barrel, as the barrel nut may become damaged in the removal and installation processes. Brand new HK German manufacture. Weight: 3.2 oz
Compatible With:
- HK 416 (A1 ONLY, not compatible with A3/A5 416’s)
- HK MR556
Comparison Of Materials And Weights Of All Available HK MR556 And HK 416 Barrel Nuts:
- German HK carbon steel (this offering) 3.2 Oz.
- 416 Stainless Steel 3.2 Oz.
- 6AL4V Titanium 1.7 Oz.
- 7075 Aluminum 1.1 Oz.
