The only thing better than a normal pistol barrel is a threaded pistol barrel. All pistol silencers require one. - Holding to the same commitment to quality as all our products our threaded barrels are tough enough to hold up under the harshest conditions. - CALIBER: 9mm - THREAD: 1/2 x 28 RH - TWIST: 1:10RH - MATERIAL: 416R Stainless Steel
Determined at checkout.