Quick view ProMag ProMag DPMA2 MAG LR308 308 30 rounds POLY $20.99 $15.06 Made in the usa, this ar-308 mag is constructed of dupont zytel polymer with injection molded mag follower and a heat-treated chrome silicone wire.It is compatible with 308 cal ar type rifles using lr-308 (dpms) or sr-25 pattern magazines.Note: this item... Compare Add to Cart