The AC-Unity 20RDS polymer window magazine for AR10 cal. 7.62x51mm/.308 Winchester is impact resistant, lightweight and highly reliable for all weapons that use AR10 style magazines among are MK11, M118 LR, Heckler & Koch, Sig Sauer 716 and DPMS.
It is a durable magazine which has optimally engineered surface grip so that it is always easy to use and control.
The magazine lips will not break or crack when dropped; they will stay in the correct position and not spread or balloon because of the spring pressure. The material composition allows for long time storage, and the carbon wire spring will not degrade from use or loaded storage. The double-sided clear window allows to see the rounds left.
These magazines have a long lifetime and can survive maximum temperature fluctuations from -30°C to +120°C degrees.