TI on their web site say "30 Round Drum Magazine for FMP. Proprietary and not compatible with any other shotguns." However I suspect they are.
Just compare pics.
https://www.tacticalimports.ca/firearm-accessories-c-35_42/30-round-drum-magazine-for-fmp-p-738.html
https://www.lockharttactical.com/as46/
Turkish shotgun plastic stocks are the worst looking things ever…
But they shoot![]()

Drum mag fit other Turkish Shotgun ?
https://www.tacticalimports.ca/nonrestricted-firearms-c-1/fmp-p-737.html non CSAAA member
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I bought a mag to check it out. The protrusion is more substantial than I thought, but you could still make this work with other guns without changing the mag.
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Grizzly mags are different.
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Thanks for those. I need to put that hump into some mags




























