Cross Armory CRG5MCGD Mag Catch Extended Compatible w/Glock Gen4-5 Gold Anodized Aluminum Batteries The USB-588XL is rated IP-X7

The USB-588XL is rated IP-X7 waterproof and features a discretely sleeved collar that opens for direct USB charging

or just about any other Weaver-style rings you want to mount on them

and solidly locked opened when in use

while keeping lights and accessories low to reduce the weapon's profile

Unrivaled quality that's lightweight yet tough

Cross Armory CRG5MCGD Mag Catch Extended Compatible w/Glock Gen4-5 Gold Anodized Aluminum Batteries The USB-588XL is rated IP-X7Cross Armory Glock Extended Magazine Catch increases magazine changing speed, thumb feel and ergonomics. Does not interfere with the holster. It is precision machined from the strongest made 7075 T6 Aircraft Aluminum. It is then anodized or metal coated (Titanium Nitride or Nickel Boron) for improved finish and corrosion resistance. Fits Glock 17 19 22 23 24 26 27 29 31 32 33 34 35 Gen4 5.