AR-15 M16 Reaction Bar and Barrel Vise Block Rod Tool with Torque Block, Black Please check that your existing

Please check that your existing handguard is 7" (plus/minus 1/4" and has a round handguard end cap (situated immediately behind front sight post)

AR-15 M16 Reaction Bar and Barrel Vise Block Rod Tool with Torque Block, Black Please check that your existingAR 15 M16 Reaction Bar and Barrel Vise Block Rod Tool with Torque Block, Black. SKU: AV2 G2 With new Torque Block for extra heavy duty applications! Really cool tool for working on your AR build. 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. Comes with carrying case holder. These tools are made to grip