Emperor Arms MPTAC12 Tactical 12 Gauge Pump Shotgun

A: there is not much out there and most likely will never be that much if you are looking for the ultimate as far a modification and aftermarket parts the Remington 870 is the way to go here is a good one to start with https://www.budsgunshop.com/product_info.php/products_id/95568/remington+870+express+12+28+rem-choke+mod+wood

A: Tim, there are a few options as pictured here : https://www.xdtalk.com/threads/emperor-firearms-mptac12-12ga-pump-18-5-shotgun-light-combo-183-72-free-s-h.409089/ ---------------- https://www.youtube.com/watch?v=AVm3Unq4xwQ

A: To be honest, you'll be limited. I would recommend a Mossberg 500 variant or a Remington 870 variant. Some Mossberg shotguns comes with rails, heat shields, pistol grips, etc. the same goes with Remington. They even have some with box magazines. It was my pleasure to assist you.

A: There's very little after market support for smaller brand, Turkish made shotguns, also companies like emperor arms, and hatsan really don't care about their customers after the sale is complete. I always I highly encourage people not to buy from these companies if modding and having aftermarket available parts is important. Id say bring it into a gunshop with the sight removed and look at different brands to see if there is something you could modify to fit. Or see if gunsmith can make something custom. Outside of that your stuck with what you got