Home / Accessory-Silencer Accessories / SilencerCo ASR MUZZLE BRAKE 30CAL 1/2-28 Sale! SilencerCo ASR MUZZLE BRAKE 30CAL 1/2-28$9400 Original price was: $9400.$8606Current price is: $8606. Out of stock SKU: AC1282 Category: Accessory-Silencer Accessories Product ID: 48052 Description Description Related products SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Gemtech PISTON GM9/MM9/TUNDRA 1/2-28 $8000 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 $7495 Original price was: $7495.$7135Current price is: $7135.