ProMag FN Five-Seven 5.7 USG 30Rd

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:

• 20 - Round Capacity
• 20 Round body plus 10 Round Extension
• Precise Manufacturing
• Long Term Reliability
• Durable Polymer Construction