5 points of engagement
Extended 17-7 Stainless Steel Spring
Proprietary Baseplate material for unmatched durability
Compatible with EVERYTHING that fits a Gen4 Glock Factory magazine
 
FITS USPSA limited class gauges. Fits all magwells, Fits all pistols that accept 15 round flush fit Glock 19 style magazines. 
 
Works with OEM Glock magazines & XTech Tactical MAG19-15 & MAG19-10
 
WILL NOT FIT non-Glock magazines such as: MAGPUL, Promag, ETS, Amend2, & others.
 
DISCLAIMER: This product is not manufactured, authorized, endorsed,
or warranted by GLOCK. GLOCK does not warrant or represent that
this product is compatible with GLOCK pistols.