Glock G45 Gen6 9mm
Model: P64550203
Glock G45 Gen6 9mm
Model: P64550203
Full Specifications
About This Firearm
The Glock G45 Gen6 is a crossover striker-fired 9mm built for duty and home defense. It follows the Gen5 G45 and arrives optic ready, with the dot screwing directly into the slide through one of three supplied plates. Glock blends a compact-length slide with a full-size frame here, so the grip holds 17 rounds behind a 4.02-inch barrel.
The box holds three magazines, three optic plates, a magazine speed loader, a cleaning set, a backstrap set and a case. The trigger is flat faced as standard and Glock gives the pull as 5.8 lbs. The grip carries Gen6's RTF6 texture with a palm swell and an extended thumb rest, so the firing hand indexes without a grip sleeve. No optic and no manual safety come with it.
If you're cross-shopping, the Glock G45 Gen5 MOS matches the barrel, the 7.44-inch length and the 5.47-inch grip, weighs 1.42 oz more at 24.52 oz, and mounts a dot on an adapter plate instead of into the slide. The Glock G19 Gen6 carries the same frame changes on a grip 0.43 inches shorter, holding 15 rounds at 22.58 oz, which conceals where the G45's full-size grip shows. The G45 is the pair's long-grip option on the same slide length.
Best For
Strengths & Limitations
- Optics screw straight into the slide, so there is one fewer joint between the sight and the gun.
- Barrel length, overall length and grip height match the Gen5 G45, so magazines and Gen5 G45 holsters carry straight over.
- The slide stop lever has a wider border than the Gen5's, which gives the thumb more to press on a locked-back slide.
- The frame is full width and the grip is full-size, so this is a belt gun and not a pocket gun.
- The three plates cover three footprints, so an optic outside them still needs a plate ordered.
- The palm swell is molded in, so the backstraps change circumference but not that shape.
Category Rankings
How the Glock G45 Gen6 9mm ranks among full-size 9mm Luger handguns.
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Frequently Asked Questions
What changed from the Gen5 G45?
Glock lists the Gen6 ergonomic changes as a palm swell, the RTF6 grip texture, an enlarged beavertail, an enlarged slide stop lever border, an extended thumb rest, deeper-angled slide serrations and an undercut trigger guard. The trigger is flat faced as standard and the slide is optic ready with three plates.
Do Gen5 G45 magazines fit it?
The standard magazine is the same 17-round Glock double-stack magazine on both, and the frame dimensions are unchanged, so magazines and pouches carry over.
How much does the frame adjust?
The beavertail backstraps add 2 or 4 mm of frame circumference, and with none fitted the frame matches Glock's short-frame circumference. The thumb rest and palm swell are fixed.