Home / Accessory-Silencer Accessories / Gemtech ADAPTER UMAREX RIFLES View cart “Gemtech ADAPTER MM9 FTM 1/2-28” has been added to your cart. Sale! Gemtech ADAPTER UMAREX RIFLES$4500 Original price was: $4500.$4183Current price is: $4183. Out of stock SKU: 12211 Category: Accessory-Silencer Accessories Product ID: 26747 Description Description M8X.75 to 1/2-28 Adapter Related products SilencerCo DELTA 1/2X28 THREAD SPACER $1900 Sale! Dead Air Armament XENO MOUNT FLASH HIDER 5/8X24 $8900 Original price was: $8900.$8472Current price is: $8472. Sale! Dead Air Armament WOLVERINE INSERT 15MM RH HK $8900 Original price was: $8900.$7865Current price is: $7865. Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 Original price was: $7495.$7135Current price is: $7135.