“NEW” MBX 'ULTRA MAX' SPRING & FOLLOWER SET FOR GLOCK
- GLOCK 17 & EQUIVALENT ETS 9MM MAGAZINES
*NOTE: WILL NOT FIT CORRECTLY GLOCK 19 MAGAZINES
- 24 ROUNDS WITH 140 EXTENSIONS
IMPROVE YOUR EXTENDED 140 FACTORY MAGAZINE PERFORMANCE WITH MBX “NEW” MBX 'ULTRA MAX' SPRING & FOLLOWER SET FOR FACTORY GLOCK MAGAZINE
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Extra mag capacity is awesome but the additional weight adds stability to the firearm which is not incredible. I am very happy. I will purchase more soon.