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Description
Heckler and Koch Castle Nut for Buffer Tube for HK416 and HK MR556
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:
- HK416, MR556
- M27
- Other AR, M4 and M16 projects
Additional Information
Origin: |
Germany |
Firearm Model: |
HK416 |
Firearm Model: |
MR556 |
Caliber: |
5.56 / .223 |
Color: |
Black |
Material: |
Steel |
Firearm Model: |
M27 |