A 410 is just as accurate if not more so than MFR (not knocking theobens ive aMK2)but 410 is not so pellet fussy.weve put them through with squashed up skirts and still fly great.Come up&see pak san lee@26th middlesex rifle range he tunes he gets 100 good shots in classic 177.we have to guys got them near enough 1hole groups@50+ yards.