Black Arredondo checkered Glock magazine extension fits Pre Ban Hi-Capacity FML (Full Metal Lined) and NFML (Non Full Metal Lined) magazines. These mag extensions are virtually unbreakable and extremely secure. They are easily installed or removed with the supplied "U" tool.
This is a complete kit which includes:
- Extra power spring
- Take down tool
- Extension sleeve
- Base pad
Adds the following round count:
- +4 for Glock 9mm M/17, 17L and 34
- +3 for Glock 40 S&W M/22, 24 and 35
- +3 for Glock 357 Sig M/31
- +2 for Glock 45 GAP M/37
*Designed to meet ISPC box rule.