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.

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.