Easy to install drop-in design. Advanced proprietary broach cut design specifically engineered for increased accuracy potential. Broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead. 100% Designed and manufactured in the USA with USA sourced certified steel.

Features :

• 9mm 1/10LH twist rifling
• Special 11 degree competition style target crown for non-threaded versions or 1/2×28 threads with included thread protector on threaded versions
• Threaded versions include Viton high heat integral O-ring lock thread protector
• Fully supported SAAMI spec chamber
• Improved overall fit from OEM with added chamfers, improved radius cuts, and other additions for a better than OEM barrel
• Assorted specialty coatings and finishes to choose from.