THREAD PITCH SIZE GUIDE
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. FUELFILTERSHOP 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 | Beretta |
B&T
|
|
.22 | 1/2×28 |
9mm | 1/2×28 |
9mm | 13.5×1 LHM |
|
9mm | 1/2×28 |
||
|
.40 S&W | 9/16×24 |
||
|
45 ACP | .578×28 |
CZ |
Glock |
HK |
|
9mm | 13.5×1 LHM |
9mm | 13.5×1 LHM |
9mm | 13.5×1 LHM |
|
.40 S&W | 14.5×1 LHM |
.40 S&W | 14.5×1 LHM |
.40 S&W | 14.5×1 LHM |
|
45 ACP | 16×1 LHM |
45 ACP | 16×1 LHM |
45 ACP | 16×1 LHM (HK23 – 16×1 RHM) |
FNH |
Ruger |
Smith & Wesson |
|
9mm | 1/2×28 |
.22 | 1/2×28 |
.22 | 1/2×28 |
|
45 ACP | .578×28 |
9mm | 1/2×28 |
|
|
45 ACP | .578×28 |
Sig Sauer |
Styler Arms |
Sphinx |
|
9mm | 13.5×1 LHM |
9mm | 1/2×28 or |
9mm | 13.5×1 LHM |
|
45 ACP | .578×28 |
9mm | 13.5xl LHM |
Pistol Caliber Carbines | Sub Firearms
Angstadt Arms |
CMMG |
CZ |
|
9mm | 1/2×36 |
5.7×28 | 1/2×28 |
9mm | 18×1 (pre-2016) |
|
.40 S&W | 5/8×24 |
9mm | 1/2×36 or 1/28×28 |
9mm | 1/2×28 |
|
45 ACP | .578×28 |
.40 S&W | .578×28 |
|
|
45 ACP | .578×28 |
Colt |
IWI |
Kel Tec |
|
9mm | 1/2×36 |
9mm | 1/2×36 |
9mm | 1/2×28 |
|
.40 S&W | 9/16×24 |
LWRC |
MP5 Variants |
Rugar |
|
45 ACP | .578×28 |
9mm | 1/2×28 or 3 Lug |
9mm | 1/2×28 |
Sig Sauer |
Quarter Circle 10 |
|
9mm | 13.5×1 LHM |
9mm | 1/2×28 |
|
10mm | .578×28 |
|
|
45 ACP | .578×28 |
|
|
45 ACP | .578×28 |
Rifles
Common Thread Pitches Per Caliber |
Common Thread Pitches for AR’s |
Accuracy International |
|
5.56 | 1/2×28 |
5.56 | 1/2×28 |
.30 cal | 18×1.5M or 5/8×24 |
|
.30 cal | 5/8×24 |
300BLK | 5/8×24 |
|
|
.30 cal | 5/8×24 |
CMMG |
CZ |
Desert Tech |
|
350 Legend | 1/2×28 |
557 UCS | 5/8×24 |
.30 cal | 3/4×24 |
|
750 Sniper | 18×1 |
.30 cal | 5/8×24 |
|
|
Bren S1 | 1/2×28 |
FNH |
H&K |
IWI |
|
FN 15 | 1/2×28 |
MR556A1 | 1/2×28 |
5.56 | 1/2×28 |
|
SCAR 16 | 1/2×28 |
MR762A1 | 15×1 |
300BLK | 5/8×24 SCAR17 R3 Flash Hider |
|
SCAR 17 | 5/8×24 SCAR17 R3 Flash Hider |
HK91 | 15×1 |
|
|
SCAR 20S | 5/8×24 SCAR17 R3 Flash Hider |
Knight Armament Company |
Rock River Arms |
Ruger |
|
SR25 | 3/4×24 |
350 Legend | 1/2×36 |
Mini 14 | 9/16×24 (pre-2009) |
|
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 |