The Mojave .45 Caliber Suppressor Piston features precision .578x28 threading for secure attachment and optimal performance in suppressor systems.Mojave .45 Caliber Suppressor Piston.578x28 thread specification for proper fitmentDesigned specifically for .45 caliber suppressor applicationsPrecision-engineered component for reliable operationSKU: PB444 UPC: 810128161923This replacement piston ensures proper suppressor function and maintains the integrity of your .45 caliber suppression system with exact threading specifications.