Lockstep Arms Glock 43X/48 Mag Release Blue. Extended for easy location making reloads fast and easy. Specifications for Lockstep Arms Glock 43X/48 Mag Release: Manufacturer: Lockstep Arms Gun Make: Glock Gun Model: Glock 48 Glock 43X Finish: Anodized Fabric/Material: 6061-T6 Aluminum Weight: 0.12 oz 1.1 oz Package Contents: Lockstep Arms Glock 43X/48 Mag Release What firearm models does the manufacturer say Lockstep Arms Glock 43X/48 Mag Release is compatible with? The manufacturer says that Lockstep Arms Glock 43X/48 Mag Release is compatible with Glock 43X Glock 48Lockstep Arms LA-G43X-150-BLU: Glock 43X/48 Mag Release Blue