KAC SR 15 14.5 UPPER CAN BE FUN FOR ANYONE

Two pushbutton (aka QD or snap-in) sling swivel attachments arrived With all the SR-15E3 and there are ambidextrous holes to snap them into within the SOPMOD buttstock and at 3 sites on each side in the upper and reduced receivers.What other enterprise will make a completely ambidextrous lower to the AR? None which i'm aware of. What other corporat