Thread Pitch Adapter Guide
There are many thread pitches out there, but we’re here to help. Each firearm has its own thread pitch, and most thread pitches are universal to the style of weapon and caliber.
We have put put together a comprehensive guide below which lists the most common thread pitches for firearms. USASOLVENTTRAPS strives to make it as easy as possible for our customers to understand more about their thread pitches and what is the best fit for your firearm!
Pistols
| After Market Barrels | Glock | HK | Smith & Wesson |
.22 | 1/2×28 |
9mm | 13.5×1 LHM |
9mm | 13.5×1 LHM |
.22 | 1/2×28 |
9mm | 1/2×28 |
.40 S&W | 14.5×1 LHM |
.40 S&W | 14.5×1 LHM |
9mm | 1/2×28 |
.40 S&W | 9/16×24 |
45 ACP | 16×1 LHM |
45 ACP | 16×1 LHM (HK23 – 16×1 RHM) |
45 ACP | .578×28 |
45 ACP | .578×28 |
FNH |
Sig Sauer |
Styler Arms |
Sphinx |
9mm | 1/2×28 |
9mm | 13.5×1 LHM |
9mm | 1/2×28 or |
9mm | 13.5×1 LHM |
45 ACP | .578×28 |
45 ACP | .578×28 |
9mm | 13.5xl LHM |
|
Beretta |
B&T |
CZ |
Ruger |
9mm | 1/2×28 |
9mm | 13.5×1 LHM |
9mm | 1/2×28 |
.22 | 1/2×28 |
Pistol Caliber Carbines | Sub Firearms
CMMG |
Quarter Circle 10 |
Angstadt Arms |
CZ |
5.7×28 | 1/2×28 |
9mm | 1/2×28 |
9mm | 1/2×36 |
9mm | 18×1 (pre-2016) |
9mm | 1/2×36 or 1/28×28 |
10mm | .578×28 |
.40 S&W | 5/8×24 |
9mm | 1/2×28 |
.40 S&W | .578×28 |
45 ACP | .578×28 |
45 ACP | .578×28 |
|
45 ACP | .578×28 |
.40 S&W | 5/8×24 or .578×28 |
Kel Tec |
Colt |
IWI |
LWRC |
9mm | 1/2×28 |
9mm | 1/2×36 |
9mm | 1/2×36 |
45 ACP | .578×28 |
.40 S&W | 9/16×24 |
MP5 Variants |
Rugar |
Sig Sauer |
|
9mm | 1/2×28 or 3 Lug |
9mm | 1/2×28 |
9mm | 13.5×1 LHM |
Rifles
Common Thread Pitches Per Caliber |
Common Thread Pitches for AR’s |
Accuracy International |
CMMG |
5.56 | 1/2×28 |
5.56 | 1/2×28 |
.30 cal | 18×1.5M or 5/8×24 |
350 Legend | 1/2×28 |
.30 cal | 5/8×24 |
300BLK | 5/8×24 |
||
.30 cal | 5/8×24 |
CZ |
Desert Tech |
FNH |
H&K |
557 UCS | 5/8×24 |
.30 cal | 3/4×24 |
FN 15 | 1/2×28 |
MR556A1 | 1/2×28 |
750 Sniper | 18×1 |
.30 cal | 5/8×24 |
SCAR 16 | 1/2×28 |
MR762A1 | 15×1 |
Bren S1 | 1/2×28 |
SCAR 17 | 5/8×24 SCAR17 R3 Flash Hider |
HK91 | 15×1 |
|
SCAR 20S | 5/8×24 SCAR17 R3 Flash Hider |
IWI |
Knight Armament Company |
Rock River Arms |
Ruger |
5.56 | 1/2×28 |
SR25 | 3/4×24 |
350 Legend | 1/2×36 |
Mini 14 | 9/16×24 (pre-2009) |
|
300BLK | 5/8×24 SCAR17 R3 Flash Hider |
350 Legend | 1/2×28 |
||
450 Bushmaster | 11/16×24 (Fixed Mount for the Obsidian45) |
Sako |
Tikka |
Winchester |
|
.30 cal | 18×1 |
T3x | 5/8×24 |
350 Legend | 11/16×24 |
|
T3 Compact Tac | 5/8×24 |
|||
T3 TAC | 18×1 |