HYVE Technologies Small Magazine Base Pad Glock 9mm/.40 cal/.357 Double Stack Magazines Red Small. Want to be able to easily identify your mag while at the range or during a class? This Mag Base will do exactly that. Being machined from aluminum means its stronger and more durable. Designed to replace the standard plastic one that comes stock on all Glock mags. This Mag Base will turn heads no matter where you go. Specifications for HYVE Technologies Small Glock Magazine Base Pad: Manufacturer: HYVE Technologies Fabric/Material: 6061-T6 Aluminum Gun Make: Glock Caliber: .357 SIG 9mm Luger .40 S&W Features of HYVE Technologies Small Glock Magazine Base Pad: These will NOT fit the Glock 42/43/.45acp or 10mm Package Contents: HYVE Technologies Small Glock Magazine Base Pad HYVE Technologies G19-MB-2: Small Magazine Base Pad Glock 9mm/.40 cal/.357 Double Stack Magazines Red Small