Lakeline threaded target barrel for the 9mm Taurus GX4 and GX4 TORO. Thread protector cap is sold separately. Constructed of 416R stainless steel Target grade, precision Cut Rifling, 1 : 10 twist 3.74 inch barrel length with SAAMI specification chamber 1/2 x 28 threads Engineered and Made in the U.S.A. Black Nitride finish