Thread Specs

22Sparrow Thread Specs

Osprey Thread Specs

9mm Barrel Threads

.5X28 for Barreta 92

.5X28 Commonly for Glock, 1911-9mm, Springfield XD, etc.

M13.5X1 LH Commonly for HK USP Tactical 9mm, Sig P226, Newer Glocks, etc.

.40 S&W Barrel Threads

9/16X24 Commonly for Glock, Springfield XD, 1911-40, etc.

M14.5X1 LH Commonly for HK USP Tactical .40 S&W

45 ACP Barrel Threads

.578X28 Commonly for 1911, Sig P220, Springfield XD, FNP 45

M16X1 LH Commonly for HK USP Tactical

M16X1 RH Commonly for HK Mk III Socom