If you are looking to hold the most rounds you can in a magazine, then checkout the X Products Drum Magazine. This X-14S magazine is designed to fit M14/M1A .308 Winchester rifles. It is made out of aluminum and steel, holds 50 rounds of ammunition, and comes in a black finish. Skelotonized to reduce weight.

Features and Specifications:
Manufacturer Number: X14MSKBLK
X-14 Skelotonized drum magazine
Caliber: .308 Winchester
Capacity: 50 Rounds
Body Material: Aluminum and steel
Spring Material: Steel
Follower Material: Aluminum
Finish: Black

Fits:
M-14 and M1A type rifles