GETTING MY KNIGHTS ARMAMENT SR-15 16 UPPER TO WORK

I Specially like the Hornady 75-grain Faucet load, that has a match-grade BTHP bullet that is definitely Hornady's heaviest Faucet offering in 5.56x45mm NATO. It demonstrates rapid expansion and exceptional fragmentation.* These hold the normal black e3 bolt and upper receiver as pictured.  In line with Knight's the up-to-date Edition of this uppe