RangerWalker71
Well-Known Member
Hope this helps you all. This is not the end all be all of References. Just a place to start.
.22 LR, .22 MAG, .17 HMR
The standard thread for these calibers is 1/2×28. Please let us know if you are aware of any notable exceptions.
9mm
1/2×28 is the most common thread for 9mm weapons – both carbine and pistol.
H&K weapons use the M13.5×1 LH thread pitch
Sig Sauer weapons use the M13.5x1LH thread pitch
.40 S&W
9/16×24 is the most common thread pitch for .40 cal weapons.
H&K weapons use the M14.5×1 LH thread pitch
.45
.578×28 is the most common thread for .45 cal weapons.
H&K USP Tactical uses the M16x1 LH thread pitch
H&K Mark 23 (Socom) uses the M16x1 RH thread pitch
5.56mm (.223)
AR-15s use the 1/2×28 thread pitch
Steyr Aug uses the M13x1 LH thread pitch
H&K weapons use the M15x1 thread pitch
Ruger Mini uses 9/16×24 thread pitch
7.62mm (.308)
5/8×24 is the most common thread for 7.62mm/.308 weapons
Sako TRG uses the M18x1 thread pitch
Accuracy International uses the M18x1.5 thread pitch
AK-47s use the M14x1LH thread pitch
.338LM
5/8×24 is the most common thread for .338LM weapons
Sako TRG uses the M18x1 thread pitch
Accuracy International uses the M18x1.5 thread pitch
Desert Tactical Arms uses the 3/4×24 thread pitch.
.22 LR, .22 MAG, .17 HMR
The standard thread for these calibers is 1/2×28. Please let us know if you are aware of any notable exceptions.
9mm
1/2×28 is the most common thread for 9mm weapons – both carbine and pistol.
H&K weapons use the M13.5×1 LH thread pitch
Sig Sauer weapons use the M13.5x1LH thread pitch
.40 S&W
9/16×24 is the most common thread pitch for .40 cal weapons.
H&K weapons use the M14.5×1 LH thread pitch
.45
.578×28 is the most common thread for .45 cal weapons.
H&K USP Tactical uses the M16x1 LH thread pitch
H&K Mark 23 (Socom) uses the M16x1 RH thread pitch
5.56mm (.223)
AR-15s use the 1/2×28 thread pitch
Steyr Aug uses the M13x1 LH thread pitch
H&K weapons use the M15x1 thread pitch
Ruger Mini uses 9/16×24 thread pitch
7.62mm (.308)
5/8×24 is the most common thread for 7.62mm/.308 weapons
Sako TRG uses the M18x1 thread pitch
Accuracy International uses the M18x1.5 thread pitch
AK-47s use the M14x1LH thread pitch
.338LM
5/8×24 is the most common thread for .338LM weapons
Sako TRG uses the M18x1 thread pitch
Accuracy International uses the M18x1.5 thread pitch
Desert Tactical Arms uses the 3/4×24 thread pitch.