Home / Accessory-Silencer Accessories / SilencerCo DELTA THREAD PROTECTOR 1/2X28 View cart “Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28” has been added to your cart. SilencerCo DELTA THREAD PROTECTOR 1/2X28$1900 Out of stock SKU: AC6 Category: Accessory-Silencer Accessories Product ID: 53273 Description Description Thread Protector W/ O-ring Related products Sale! Rugged Suppressors OBSIDIAN FIXED MOUNT .578×28 $8000 Original price was: $8000.$7196Current price is: $7196. Sale! Yankee Hill Machine Company NIELSEN PISTON 9MM M13.5X1LH $7895 Original price was: $7895.$7188Current price is: $7188. Sale! Gemtech ADAPTER GM-45/BLACKSIDE 1/2-28 $8500 Original price was: $8500.$8444Current price is: $8444. SilencerCo O-RING BOOSTER PACK $900