Lantac Timing Shims 1/2x28 Gunsmithing Tool AR-15 Accessory

The Lantac Timing Shims (01PP223SHIMS) are precision gunsmithing shims designed for 1/2x28 threaded barrels on AR-15 platforms, allowing gunsmiths to properly time muzzle devices to the correct orientation. These shims provide a reliable, low-cost solution for achieving precise muzzle device alignment without over-torquing or damaging barrel threads.