Home / Accessory-Silencer Accessories / Dead Air Armament KEYMO ZERO 1/2-28 Sale! Dead Air Armament KEYMO ZERO 1/2-28$8900 Original price was: $8900.$8472Current price is: $8472. In stock Dead Air Armament KEYMO ZERO 1/2-28 quantity Add to cart SKU: DA320 Category: Accessory-Silencer Accessories Product ID: 106424 Description Description .30 Caliber Related products Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L $8500 Original price was: $8500.$7561Current price is: $7561. Sale! Rugged Suppressors OBSIDIAN PISTON .578X28 $8000 Original price was: $8000.$7196Current price is: $7196. Sale! Rugged Suppressors R3L FLASH HIDER 5/8X24 $10000 Original price was: $10000.$8715Current price is: $8715. Sale! Dead Air Armament GHOST FIXED MOUNT 5/8X24 $8900 Original price was: $8900.$7865Current price is: $7865.