$33.00
Replacement collar for muzzle devices without a Dynamount accessory such as the C4 Dynamount Front Sight.
1/2 x 28 size fits .223 | 5.56mm & PCC 9mm Ultradyne muzzle devices.
5/8 x 24 size fits .264 | 6.5mm & .308 | 7.62mm Ultradyne muzzle devices.