Our 2plus2 magazine extensions comes with and extra power
magazine spring. The 2plus2 are the only Glock +2 extensions that will not fall off. They have an "L" shaped insert that locks the +2 bottom plate in place. The 2plus2 is designed for pre-ban fully metal lined (FML) hi-capacity mags in 9mm, .40 S&W and .45 GAP.
Specifications and features:
Fits Glock 9mm, .40 or .45 GAP magazines
Adds 2 rounds
For use in pre-ban, hi-cap mags