AR15 ARMORER'S BARREL WRENCH COMBO TOOL WITH PLENTY OF FEATURES TO WORK ON AND UPGRADE YOUR AR15, M4, AND M16 RIFLES. THE TOOL IS MADE FROM 4140 CARBON STEEL, IS COVERED IN A DURABLE POWDER COAT FINISH AND IS 1/2 INCH DRIVE RATCHET COMPATIBLE. WORKS GREAT WHEN WORKING WITH CASTLE NUTS, BARREL NUTS, OR ANY BARREL DEVICES ON YOUR RIFLE.
12.7 INCHES TOTAL LENGTH OF WRENCH