TacFire AR-15 .223 / 5.56 Bull Barrel Thread Protector - 1/2x28 - BLK

Backup Tactical 1/2x28 RH .223 Rem Rifle Thread Protector With Frag Pattern, Black - FRAG-BLK223

Backup Tactical 1/2x28 RH .223 Rem Rifle Thread Protector With Honeycomb Pattern, Black - HCOMB-BLK223

Sylvan Arms Osprey Short Suppressor .223/5.56 1/2x28 Thread Black

TacFire AR-10 .308 / 7.62x51 Bull Barrel Thread Protector - 5/8x24 - Silver

JK Armament 155HD Thread Mount 1/2-28, Armor Black - Secure, Reliable Mounting - JK-155-HDM28

TacFire AR-15 .223 / 5.56 Thread Protector - 1/2x28 - Silver

TacFire AR-15 .223 / 5.56 Thread Protector - 1/2x28 - BLK