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 Magazine
- Fits Ruger Mini-14 .223 Cal / 5.56X45MM Rifles
- Magazine Body 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 Silicone Wire
- Made in the U.S.A.
