egw remington 700 long action egw remington 700 short action 20 moa egw remington 700 egw remington 783 long action picatinny rail scope mount 0 moa egw remington 597 egw remington 700 scope base egw remington 700 short action egw remington 700 721 long action 0 moa tactical scope mount 40100 egw remington 760