2011 40 S&W 21rd 140mm Magazine by MBX Extreme
Proven High Performance Competition Ready Magazine for sti/sv & all 2011 Pistols.
- The MBX tube Features designed body contour running the full length of the magazine for Proven Improved Reliability and Performance.
- Allows for a wider Follower to improve stability that features Round location holes for 10 & 24 and Precision cut feed lips.
