Our +3 base and +follower combo pack, this increases your GSG/Sig Sauer factory magazine from 10 rounds as standard to 16.
Why not add our BUMPZ™ for that added protection during competition.
*Our +3 bases are NOT designed to be dropped from height without our BUMPZ™ attached. Doing so can result in failures and damage to the +3 base. They are also only designed for standard competition surfaces such as gravel, soil and grassed area etc, and NOT directly on to solid concrete.
**Colour option is for Followers only