Shim Kit 762 5/8x24

Shim Kit 762 5/8x24 for AR-10 style muzzle devices. Made from raw unfinished steel. Includes one Shim 1 (largest), eight Shim 2s (medium), and one Shim 3 (smallest). Used to time muzzle devices for precise alignment and proper operation. Can serve as a spacer for barrels that lack relief behind the threads.