GETTING MY KNIGHTS ARMAMENT SR-15 16 UPPER TO WORK

Two pushbutton (aka QD or snap-in) sling swivel attachments arrived While using the SR-15E3 and you can find ambidextrous holes to snap them into within the SOPMOD buttstock and at 3 destinations on each side with the upper and lower receivers.Experienced to pull the trigger on this upper – u only Stay as soon as .. That is my 2nd KAC upper from