Home / Accessory-Silencer Accessories / SilencerCo DELTA THREAD PROTECTOR 1/2X28 SilencerCo DELTA THREAD PROTECTOR 1/2X28$1900 Only 2 left in stock SilencerCo DELTA THREAD PROTECTOR 1/2X28 quantity Add to cart SKU: AC6 Category: Accessory-Silencer Accessories Product ID: 53273 Description Description Thread Protector W/ O-ring Related products Sale! Dead Air Armament HUB DIRECT THRD MNT 5/8X24SIG $8900 Original price was: $8900.$8351Current price is: $8351. Sale! SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG $17999 Original price was: $17999.$16957Current price is: $16957. Gemtech GM9 THREAD REAR MOUNT M18X1RH $9100 Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L $8500 Original price was: $8500.$7561Current price is: $7561.