Shop › BACKUP THRD PRTCTR 223REM FRAG BLK BACKUP THRD PRTCTR 223REM FRAG BLK $21.99 Backup Tactical Frag, Rifle Thread Protector, 223Rem, Black Finish, 1/2 x 28 RH FRAG-BLK223 Quantity: Add To Cart Added! Backup Tactical Frag, Rifle Thread Protector, 223Rem, Black Finish, 1/2 x 28 RH FRAG-BLK223