Home / Accessory-Silencer Accessories / Gemtech ADAPTER UMAREX RIFLES Sale! Gemtech ADAPTER UMAREX RIFLES$4500 $4183 Out of stock SKU: 12211 Category: Accessory-Silencer Accessories Product ID: 26747 Description Description M8X.75 to 1/2-28 Adapter Related products Sale! SIG SAUER FLASH HIDER CL 5.56MM 90 DEG $17999 $16957 Sale! Rugged Suppressors TITANIUM FRONT CAP 7.62 $10000 $8715 Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7495 $7135 Gemtech THREAD PROTECTOR 1/2-28 RF $1800