ProMag Rifle Magazine AR-308 .308 Winchester 40 Round Black 1 Pack DuPont Zytel Polymer DPMA4-40RD. It is constructed of DuPont Zytel polymer with injection molded mag follower and mag spring formed from chrome silicone wire. NOTE: This item is not...
ProMag Rifle Magazine AR-308 .308 Winchester 40 Round Black 1 Pack DuPont Zytel Polymer DPMA4-40RD. It is constructed of DuPont Zytel polymer with injection molded mag follower and mag spring formed from chrome silicone wire. NOTE: This item is not...