I found a 22 G3 online and figured $610 shipped including FFL xfer and a $90 LWD barrel (to eliminate glock-bulge on .40 brass). Then I figured $136 lower, $90 for LWD barrel, $250 for a take-off slide (ebay) or $325 for LWD slide complete, $60 for Glock adjustable rear and HIVIZ fiber optic front s...