Description
HK MR556 & HK416 Buffer Tube Wrench
The perfect metric wrench to remove and install the MR556 & HK 416 castle nuts on the buffer tube. A perfect addition to have on hand for OTB or other HK buffer tube upgrades, etc. Made from all steel, heat treated and made to last for a lifetime of use. A must have item when removing or installing any of the factory HK MR556, HK416 buffer tube assemblies.
Compatible With:
- MR556
- HK 416
