Promag Industries AR-10 Magazine 30 Round - .308

PRO MAG Colt 223 Rem / 5.56 NATO 30rd Magazine Fits AR15 | Black

Howa 10 Round .270 Win/.30-06 Spfld Detachable Magazine, Black - ATIM10R3006

MAGPUL PMAG 30 AR 300 B Gen M3 .300 Blackout 30 Round Magazine (MAG800-BLK)

PROMAG AR-308 Fits .308 30rd Polymer Black Magazine (DPM-A2)

ASC LR/SR 308 / 7.62x51 AR-10 10-Round Stainless Steel Magazine - FDE

Magpul PMAG 30 AR/M4 GEN M2 MOE 228042 5.56x45mm/.223 Rem 30rd Multi-Cam Tropic Polymer Magazine

Magpul PMAG 30 AR/M4 Gen M2 MOE MAG571 Polymer Magazine, AR-15/M4, 5.56x45mm/.223 Rem, 30 Rounds.