Pro mag magazine ar-15.223 20rd black polymer FEATURES-For AR-15/M16 .223-5.56x45mm-20 round-Made of a proprietary DuPont® Zytel™ based polymer-Springs are made from heat treated chrome-silicon wire
ProMag magazines are designed utilizing both traditional stamping and welding of heat-treated high carbon steel, and modern precision injection molding of mil-spec polymer compounds. Every ProMag...
Pro mag magazine ar-308.308 50rd drum blk polymer Other Features: Fits all sr-25 / lr-308 pattern compatible.308 win./7.62x51mm nato ar type rifles steel & polymer hybrid design