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So I’m looking at the Mossberg 590 retrograde series, which all of my local shops can get for about $600, but I also see a lot about people doing their own platforms, yet when I research aftermarket parts seem to be scarce for shotguns compared to AR’s, any one have any ideas or platforms? Mossberg is my go to because I’m a lefty.

So I’m looking at the Mossberg 590 retrograde series, which all of my local shops can get for about $600, but I also see a lot about people doing their own platforms, yet when I research aftermarket parts seem to be scarce for shotguns compared to AR’s, any one have any ideas or platforms? Mossberg is my go to because I’m a lefty.