Aluminum 1/2X28 TPI Sound Forwarder Tube Muzzle Brake for .223 5.56 .308 & more

Ruger 1022 10/22 Thread Barrel Adapter 1/2-28 1/2"x28

1/2x28 stainless steel muzzle brake, blank ready for DIY gunsmith for port holes

Spiral Muzzle Brake .223 Rem/5.56mm/9mm - 1/2x28

Ruger 10/22 1022 Timing Jam Nut Washer For Muzzle Brake Compensator 1/2x28 TPI

Compact Low Concussion 1/2x28 Competition Muzzle Brake .223 5.56 Knurled

Short Muzzle Brake 1/2x28 Thread for 223 5.56 22LR w/ Washer

Dead Air Armament KeyMo Muzzle Brake 1/2x28 .30 Caliber