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Review Details

K40UR: 16in. 40 S&W Upper Receiver Conversion Unit

K40UR: 16in. 40 S&W Upper Receiver Conversion Unit

Product Review (submitted on February 11, 2015):
I bought this upper to go on my poly lower and they work fantastic. The first time I shot it at the range had me so happy. After100 rounds I had 6 rounds out of the A box. And 3 rounds were to sight in the red dot.