Description
HK German HK 416, MR556 Castle Nut For Buffer Tube
New HK German manufacture. This buffer tube castle nut will fit both mil-spec and commercial buffer tubes. All steel manufacture. With HK round tool attachment points as well as traditional wrench attachment points.
Compatible With:
- HK MR556
- HK 416
- HK M27
- HK 416-A5
- Other AR, M4 and M16 projects
Additional Information
Origin: |
German |
Firearm Model: |
HK MR556 |
Firearm Model: |
HK 416 |
Caliber: |
5.56 / .223 |
Color: |
Black |
Material: |
Steel |