Product Details
MSRP $29.99
MPN RUG-A42
UPC 708279015335
Caliber 5.7x28mm
Description
ProMag magazine Ruger-57 bodies are constructed of high carbon heat-treated steel and TIG-welded for strength. The springs are precision wound using heat-treated chrome silicon wire. Bases and followers are injection molded from polymers selected for their durability. The result is quality, consistency, durability and reliability.
