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.
Specifications
| Features | 50-Round Drum Magazine; Fits Ruger Mini-14 .223 Cal / 5.56X45MM Rifles; Magazine Body Constructed of a Proprietary Dupont Zytel Based Polymer; Injection Molded Magazine Follower; Heat Treated Stainless Steel Magazine Spring; Made in the U.S.A. |
|---|