The Strike Industries Aluminum Extended Magazine Plate increases GLOCK™ G17 (9mm) capacity by 5 rounds and G22 (.40 cal) by 4 rounds, and features a low drag/no snag design.
Includes an aluminum locking plate for additional security but requires careful installation to avoid damaging the magazine, with a warning against overtightening the set screw.
Not compatible with 10-round magazines, ETS Magazines, and cannot be sold to residents of California, Hawaii, New York, and New Jersey due to state laws.