KAC UPPERS THINGS TO KNOW BEFORE YOU BUY

Two pushbutton (aka QD or snap-in) sling swivel attachments came Along with the SR-15E3 and there are actually ambidextrous holes to snap them into on the SOPMOD buttstock and at three spots on both sides on the upper and reduce receivers.KAC works by using a hammer-forging system on their own five.56x45mm barrels and chambers, which increases the