- This multi-use tool helps with ease of installation of barrel nuts without scratching the exterior.
- Also a great way to securely hold your AR's upper receiver assembly for maintenance and upgrades.
- Now with newly added Torque Block, for those really extra heavy duty jobs.
- These tools are made to grip in a bench vise so that the rod is either vertical or horizontal.
- You then slide the upper receiver onto the reaction bar.
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