PROMAG AR15 5.56 RLLR 40RD ST BL PLY

ProMag Industries Magazine, 223 Remington/5.56 NATO, 40 Rounds, Fits AR Rifles, Polymer, Black RM-40-SL

ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer's defects. Magazine springs are precision wound using heat-treated chrome silicon wire and each and every step of the assembly process is checked and double checked in order to maintain the same consistent level of quality.

• 40 - Round Capacity
• Precise Manufacturing
• Long Term Reliability
• Durable Polymer Construction