Brand: X Products X-14
If you are looking to hold the most rounds you can in a magazine, then checkout the X Products Drum Magazine. This X-14 magazine is designed to fit Springfield M1A/M-14 .308 Winchester rifles. It is made out of aluminum, holds 50 rounds of ammunition, and comes in a black finish.
Specifications and Features:
X-14 Springfield M1A/M-14 Drum Magazine