ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturers 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.
Features :
Features :
- 20-Round Magazine
- Fits AR-15 / M16 .223 and 5.56X45MM Rifles and Carbines
- Magazine Body is Constructed of a Proprietary Dupont Zytel Based Polymer and Heat Treated Steel with Black Oxide Finish
- Steel Upper, Polymer Lower Housing
- Injection Molded Magazine Follower
- Magazine Spring Formed From Heat Treated Chrome Silicon Wire
- Made in the U.S.A.