TOP GUIDELINES OF KNIGHTS ARMAMENT SR-15 16 UPPER

Two pushbutton (aka QD or snap-in) sling swivel attachments came Together with the SR-15E3 and you will discover ambidextrous holes to snap them into around the SOPMOD buttstock and at 3 locations on all sides on the upper and reduce receivers.* These possess the regular black e3 bolt and upper receiver as pictured.  In accordance with Knight's th