BudsGunShop.com - Tri-Star
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will this fit in a Tri-Star
3 Answers

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It will fit but it is a promag so it will either break the first time you use it or it'll jam every couple of shots.
By comparison the 10-round Pro-Mag MKA 1919 magazine also fits the Tristar KRX, so you'd expect their 20-round MKA 1919 drum to fit Tristar KRX as well, but this is only an assumption as I haven't tried the 20-round specifically.
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Justin, yes Sir. The AR Style TriStar will function with the ProMag 20rd Drum. Cheers and stay safe!