- Modular frame gives you the possibility of a 19, 19X, 19L, & 17 size weapon system in a single 4-in-1 platform
- Compatible with Glock 19 3rd generation parts, holsters, & aftermarket accessories. GST-9 is the first and only 80% lower that is compatible with Glock holsters
- Ergonomic features include an undercut trigger guard, high beavertail, glove bevel, scalloped mag release, no finger grooves, & newly redesigned gas pedals as standard
- Each Frame comes standard with the compact grip package in the same color as the frame, the full-size grip module can be purchased here.