Forward Controls Design - Brake, sound suppressor mount with 0.900 x 24 external threads, 1/2 x 28

Dead Air Armament Key Mount, Muzzle Brake, Black, 1/2 X 28 Threads, .38 Bore DA109

Yankee Hill Machine Co Universal Suppressor Mount, 1/2-28" Thread, Melonite QPQ Black Finish YHM-2145-28

YANKEE HILL MACHINE CO HUB Direct Thread 1/2x28 Suppressor Mount (2189-28)

RUGGED SUPPRESSORS Universal Direct 1/2x28 Thread Mount (DTM002)

Dead Air Armament Key Mount, Muzzle Brake, Black, 5/8X24 Threads, .38 Bore DA111

Dead Air Armament Key Mount, Muzzle Brake, Black, 1/2X36 Threads, .38 Bore DA110

TacFire Full Size .223 / 5.56 Muzzle Brake - 1/2x28 - Stainless Steel