Product Features\n\n- Easy to install drop-in design.\n- Advanced proprietary broach cut design specifically engineered for increased accuracy potential.\n- Broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead.\n- 416R stainless steel, USA sourced and manufactured.\n- Special deep style target crown for non-threaded versions or 1/2x28 threads with included thread protector on threaded versions.\n- Threaded versions include Viton high heat integral O-ring lock thread protector.\n- SAAMI spec chamber.\n- Improved overall fit from OEM with added chamfers, improved radius cuts, and other additions for a better than OEM barrel.\n\nProduct Specifications\n\n- 9mm 1/10RH twist rifling.\n- Barrel length from chamber to muzzle: 3.50\"\n- Barrel weight (without thread protector): 2.45oz