10-rd Magazine, .40S&W
Item SKU: THUN40UCMMAG
Compatible with: Thunder 40 UC Pro, Mini Firestorm 40
Review by CLAY (on 5/16/2013)
- 1st magazine jammbed on the 5th round. 2nd magazine jammbed on the 6th round. Both springs appeared to have a larger diameter of the spring in the 5th round area when loaded. Spring may be cocked when 5th round is fed to chamber reducing tension on round. All other rounds fired OK.