Flush fitting internal mag for Howa mini

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Just a little something I've been working on. 3d printing prototypes at the moment. The mag body fits into the original mag well and is retained by the factory magazine catch pin. Also uses the floor plate off a detachable factory mag. Currently giving 3 rounds (might be able to stretch to 4) of 7.62x39 double stack and loaded down through the top of the reviewer, while fitting flush. Getting the feed lips right is finicky but once I've got it worked out I'll borrow my mates one in 300blk and model one that works for 223/300blk too. :thumbsup: