Bbl End Caps 750-500×28

These premium quality barrel end caps are designed to fit AR-15 profile threaded barrels (1/2″-28 Right Hand Thread) and protect the muzzle brake / compensator threads. They are machined of 4130 alloy steel and can be easily welded and/or pinned for restricted state compliance. The outside diameter is machined to .740″ diameter so the gas block can be easily removed for gas system maintenance without the need to remove the cap. Made in the USA.