The 50 Round KCI AR Drum (Full Review) - The Mag Life
Best Drum Magazines in 2023 [AR, AK, PCC, & Pistol] - Pew Pew Tactical
New M&P 15 pistol. The drum mag is just for laughs. Haven't fired it yet. Looking for suggestions on optics. I have some BUIS to throw on. My other AR setups are