
Originally Posted by
coop68
I bought a core AR-15 dedicated .22lr upper. Only one I could find back in Feb at machinegun tours. I did some research on it came with one bad dog mag 25rd one thing I like the bolt is nickel boron easy to clean. Runs very quite with my suppressor. One thing I noticed is it needs a rounded hammer the rock river single stage that is cut locks up the bolt carrier from riding home. Very pleased with the upper cost was around 479.99 or 500 with tax. Runs Cci standard velocity all day long.