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:
- 10-round magazine
- Fits U.S. M1 Carbine .30 carbine
- Fits all original G.I carbines and most post war reproductions
- Magazine body constructed of heat treated steel with black oxide finish
- Steel stamped magazine follower
- Magazine spring formed from heat treated chrome silicon wire
- Made in USA
