The JK RPX46K is a compact, modular pistol suppressor built for shooters who want maximum versatility in a short, lightweight package. Designed to handle larger bore pistol calibers while maintaining excellent suppression and reliability, the RPX46K delivers the same proven performance and durability as the RPX series, scaled for .45 caliber platforms. Brand: JK Armament Series: RPX Model: 46K Caliber: .45 ACP Color: Black Material: Aluminum / Titanium Finish: Type III Hard Anodize / Cerakote Length: 2.80" - 7.25" Diameter: 1.55" Full-Auto Rated: Yes Weight: 2.80 - 13.10 oz