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Thread Pitch Adapter Guide

Handguns

After Market Barrels (most common)

.22 – 1/2×28

9mm – 1/2×28

.40 S&W – 9/16×24

45 ACP – .578×28

 

Beretta

9mm – 1/2×28

 

B&T

9mm – 13.5×1 LHM

 

CZ

9mm – 1/2×28

 

FNH

9mm – 1/2×28

45 ACP – .578×28

 

Glock

9mm – 13.5×1 LHM

.40 S&W – 14.5×1 LHM

45 ACP – 16×1 LHM

 

H&K

9mm – 13.5×1 LHM

.40 S&W – 14.5×1 LHM

45 ACP – 16×1 LHM (HK23 – 16×1 RHM)

 

Ruger

.22 – 1/2×28

 

Smith & Wesson

.22 – 1/2×28

9mm – 1/2×28

45 ACP – .578×28

 

Sig Sauer

9mm – 13.5×1 LHM

45 ACP – .578×28

 

Sphinx

9mm – 13.5×1 LHM

 

Styer Arms

9mm – 1/2×28 or 13.5xl LHM

Pistol Caliber Carbines / Sub Guns

Angstadt Arms

9mm – 1/2×36

.40 S&W – 5/8×24

45 ACP – .578×28

 

CMMG

5.7×28 – 1/2×28

9mm – 1/2×36 or 1/28×28

.40 S&W – .578×28

45 ACP – .578×28

 

Colt

9mm – 1/2×36

 

CZ

9mm – 18×1 (pre 2016)

9mm – 1/2×28

 

IWI

9mm – 1/2×36

 

Kel Tec

9mm – 1/2×28

.40 S&W – 9/16×24

LWRC

45 ACP – .578×28

 

MP5 Variants

9mm – 1/2×28 or 3 Lug

 

Ruger

9mm – 1/2×28

 

Sig Sauer

9mm – 13.5×1 LHM

 

Quarter Circle 10

9mm – 1/2×28

.40 S&W – 5/8×24 or .578×28

10mm – .578×28

45 ACP – .578×28

Rifles

Common thread pitches per caliber

5.56 – 1/2×28

.30 cal – 5/8×24

 

Common thread pitches for AR variants

5.56 – 1/2×28

300BLK – 5/8×24

.30 cal – 5/8×24

 

Accuracy International

5/8×24

CMMG

350 Legend – 1/2×28

 

CZ

557 UCS – 5/8×24

750 Sniper – 18x1

Bren S1 – 1/2×28

 

Desert Tech

.30 cal – 3/4x24 or 5/8×24

 

FNH

FN 15 – 1/2×28

SCAR 16 – 1/2×28

SCAR 17 – 5/8×24*

SCAR 20S – 5/8×24* 

 

H&K

MR556A1 – 1/2×28

MR762A1 – 15x1

HK91 – 15x1

 

IWI

5.56 – 1/2×28

300BLK – 5/8×24* 

 

Knight Armament Company

SR25 – 3/4x24

Rock River Arms

350 Legend – 1/2×36

 

Ruger

Mini 14 – 9/16x24(pre 2009)

350 Legend – 1/2×28

450 Bushmaster – 11/16x24 (Fixed Mount for the Obsidian45)

 

Sako

.30 cal –18x1

 

Tikka

T3x – 5/8×24

T3 Compact Tac – 5/8×24

T3 TAC – 18x1

Winchester

350 Legend – 11/16×24