ProMag AR-10 .308/7.62x51mm 20-Round Steel Magazine

DPM-A1 A .308 Win. 20-rd magazine for AR-10 DPMS LR-308, and SR-25 Rifles. Magazine body Constructed of heat treated steel with a black phosphate finish for durability under harsh use in the field.

*Not compatible with Armalite 10B rifles.