Description
- Recommended for the 140mm 2011 Magazine
- +2 Round Capacity with Factory Spring and Follower
- Fits the USPSA 140mm Gauge
The 4mm is TTI’s mid profile extension for the Staccato/Infinity/Springfield Prodigy/Atlas/Infinity 9/38 2011 style magazine. Although it will work on all 2011 style magazines, it is recommended for the 140mm magazine. It brings the capacity up from 20 rounds to 22 rounds with the factory spring and follower and still fits the USPSA 140mm gauge.
WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.


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