Deal4140 Steel,Nitride coated,For the .223 / 5.56,1/2 x 28 TPI,Crush washer included,2.4 ounces 2.194" Overall Length,Made in USA,Blemished Version has 2 ports on top vs the standard 3. Minimal if any noticable flaws. from Red Barn Armory (Product FORREDNBLEM) |