Springfield Armory : PG-HCGX+
PLUS ONE Magazine Extension For Hellcat and Hellcat Pro
This unit replaces the magazine base plate on the Springfield Armory HELLCAT and HELLCAT PRO. This extension adds one round capacity to the magazine and adds approximately 3/4" inch additional gripping surface. It also incorporates a texture similar to the frame. This product utilizes the patented PearceLock attachment mechanism.(US 10,996,010 B2)
Works on 13 round magazines, but users will lose a round of capacity on these magazines because they are equipped with factory +2 extensions. You will however gain a better grip due to the parts enhanced ergonomics.
***Will not work on factory 10 round HELLCAT and HELLCAT PRO magazines with extended plastic spacers.
***Also fits Taurus GX4 and GX4XL