Home / Accessory-Muzzle Brakes / POF USA MUZZLE BRAKE 223/5.56 1/2X28 View cart “Dead Air Armament KEYMO MUZZLE BRAKE 1/2X28” has been added to your cart. POF USA MUZZLE BRAKE 223/5.56 1/2X28$6200 In stock POF USA MUZZLE BRAKE 223/5.56 1/2X28 quantity Add to cart SKU: 00308 Category: Accessory-Muzzle Brakes Product ID: 54276 Description Description Includes Locknut Kit Related products Sale! Q BOTTLE ROCKET MB ENHANCER $9900 Original price was: $9900.$9603Current price is: $9603. Gemtech TRI-LOCK 338LAP MB 5/8-24 $15000 Sale! SilencerCo ASR MB 9MM SINGLE PORT 1/2X28 $9400 Original price was: $9400.$8606Current price is: $8606. Sale! SilencerCo ASR MUZZLE BRAKE 5.56 1/2X28 $9400 Original price was: $9400.$8606Current price is: $8606.