Add to Cart Compare Quick view AR15 223 1/2x28 Threaded Barrel Protector OUR PRICE: SALE PRICE: $4.95 Was: AR15 223 5.56 AR-15 .223 1/2x28 Threaded Barrel Protector -0.56" Length. CNC machined high quality steel construction Black Oxide finish 1/2"x28 Thread Pitch Length: 0.5625" OUR PRICE: SALE PRICE: $4.95 Was: Add to Cart Compare Quick view