Home / Accessory-Silencer Accessories / SilencerCo ASR MUZZLE BRAKE 30CAL 1/2-28 View cart “Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28” has been added to your cart. Sale! SilencerCo ASR MUZZLE BRAKE 30CAL 1/2-28$9400 $8606 Out of stock SKU: AC1282 Category: Accessory-Silencer Accessories Product ID: 48052 Description Description Related products Sale! Rugged Suppressors OBSIDIAN45 3 LUG ADAPT 9/16X24 $8500 $7561 Gemtech ADAPTER MM9 FTM 1/2-28 $7500 SilencerCo O-RING BOOSTER PACK $900 Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L $8500 $7561