NOT KNOWN DETAILS ABOUT KNIGHTS ARMAMENT SR-15 CQB 11.5 UPPER

Two pushbutton (aka QD or snap-in) sling swivel attachments came With all the SR-15E3 and there are actually ambidextrous holes to snap them into about the SOPMOD buttstock and at 3 destinations on each side with the upper and decrease receivers.This ingredient was created to be subjected to by far the most nerve-racking and unrelenting conditions