APS m870 MKII shotgun shell
thingiverse
Made for the APS m870 co2 shell ejecting shotgun. Dimensions are 1:1 with the APS hokkatsu shells. Although, there is more interior volume! They feed and eject very well. I beveled some interior dimensions so no need to use support. I did some number crunching so it costs about 17 cents to make 1 shell. (assuming youre paying $15usd per 1kg filament) real hokkatsu shells are about $15-$20 for 4 pcs. have fun! Update 2/13/18: widened the rear hole and added a larger lip on the rim
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