Arch Barrel, 1/4-20, 3 in Brl Lg, 3/8 in Brl Dia, Brass Plain
-20, Barrel Length 3 in, Barrel Diameter 3/8 in, Barrel Thread Depth 3/4 in, Barrel Drive Type No Drive, Screw Drive Style Phillips, Finish Plain, Barrel Head Diameter 0.563 in, Barrel Head Height 5/32 in, Dimensional Standards AMPG 2000 SB.01, Grip Size 3 3/16 in, Includes 82 Degree Screw, Made in North America Yes, Pack Size Small.