Home / Accessory-Silencer Accessories / Dead Air Armament GSG 1911 THREAD ADAPTER 1/2X28 View cart “SilencerCo DELTA 1/2X28 THREAD SPACER” has been added to your cart. Dead Air Armament GSG 1911 THREAD ADAPTER 1/2X28$4500 Out of stock SKU: DA421 Category: Accessory-Silencer Accessories Product ID: 33721 Description Description For GSG 1911s Related products Sale! Yankee Hill Machine Company SIDEWINDER PISTON 45ACP.578X28 $7495 $7135 Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Gemtech ADAPTER SIG MOSQUITO $4500 $4183