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

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

Grovtec US Inc Thread Protector 1/2-28, Black

DMA Inc. XTS Fluted Thread Protector - 1/2x28 - Black

DMA Inc. XTS Fluted Thread Protector - 1/2x28 - Stainless Steel

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