Key Features Ships with .578A-28 Impuls Device - Engineered to fit most modern .45 ACP handguns sharing this common thread pattern. The Gold Standard in Handgun Suppressors - Born from B&T's renowned Impuls heritage trusted worldwide for its proven track record among elite forces and civilian enthusiasts alike. Adjustable for Point of Impact - Easily fine-tune accuracy to maintain optimal performance in any environment. Two-in-One Design - Quickly modify overall length for maximum sound dampening or a more streamlined profile. Compatible with both .45 ACP or 10mm - Purpose-built for one of the most enduring and powerful handgun calibers on the market.Specifications: Caliber: .45 ACP 10mm Weight: 8.4 oz - 10.4 oz Length: 6.7 in - 8.8 in Material: Titanium Diameter: 1.3 in