SureFire SOCOM 4 Prong 5.56 Flash Hider - Suppressor Adapter - 1/2x28

Sylvan Osprey Titanium Suppressor 223/5.56 8" 1/2x28 Direct Thread

Sylvan Arms Osprey Short Suppressor .223/5.56 1/2x28 Thread Black

SUREFIRE 3-Prong Warcomp 7.62x51mm NATO Flash Hider/Suppressor Adapter (SF3P-762-5/8-24)

SUREFIRE SOMCOM 5.56mm 1/2x28 Muzzle Brake/Suppressor Adapter (SFMB-556-1/2-28)

SUREFIRE SOCOM 3-Prong .223 / 556 NATO 1/2x28 Flash Hider/Suppressor Adapter (SF3P-556-1/2-28)

SUREFIRE Warcomp 7.62mm 5/8x24 Black Flash Hider/Suppressor Adapter (WARCOMP-762-5/8-24)

SUREFIRE 4-Prong 5.56mm 1/2-28 Thread Flash Hider for SOCOM Fast-Attach Suppressors (FH556RC-1/2-28)