Last time I visited Raceguns, I built with the constraint of keeping it at least semi-concealable. What if we dropped that requirement, made it for open-class shooting first?

We’ll need a base gun. We’re going with the Glock 22. This gives us the option to shoot .40 and make major power factor easily with factory ammo. Or we can drop in a 9 mm barrel and shoot 9 mm. Note that to properly switch from .40 to 9 mm, you’ll need to take an extra 30 seconds to swap extractors. Also, the beefier slide for shooting .40 is a little more comforting if we go to 9 mm major. We can always remove material, but it’s hard to put it back.

While the shorter slide of the Glock 19/23 makes it handle a little nicer with a red dot without comps, we’re going to be compensating this pistol, which will take away most of the advantage of the shorter slide. We’d still expect a lock-time advantage, but this is outweighed by the full-size grip of the 22 having a lot more magwell options. Also, I prefer the feel of the full size grip. Further, it’s easier to make a frame-mounted optic work well with a full size slide.

The Freya magwell on my heavily modified Glock 19 is very well made, but it didn’t make my reload times much faster. It’s not all that much bigger than the normal magazine opening. I do like it because it helps push my hand higher up on the gun, especially on the draw. I like this advantage, but it’s not really why one buys magwells. That’s true for the other concealment-type magwells too.

But on this one we’re not looking at the little concealment magwells. We’re looking for big mag funnels. Given the proliferation of 170mm length magazines from ETS and Magpul, I’m not going to worry too much about compatibility with basepads. Besides, that’s nothing a file wouldn’t fix. What we are going to look for as the differentiator is weight. Glocks are really lightweight, and we’d like to add non-moving mass to improve recoil characteristics. So we’re going with the SJC magwell, because it’s the biggest and heaviest we can find.

Next, we’re going to need an optic mount and optic. Free of the size constraint imposed by a desire to easily conceal the weapon, we can mount an optic on the frame, which will abuse our optic a lot less. Our mount is the ALG six second mount, which interfaces to the frame with the accessory rail, and by replacing one of the trigger pins. This will be more secure (and hold zero better) than mounting simply by attaching to the frame rail.

I like ALG’s products a lot, but the big driver towards picking the Six Second mount is my choice of optic: the Aimpoint T-1. I’m picking the T-1 because I want a bombproof optic with good adjustments, good battery life, and I actually like the closed tube design. I prefer not having to think about nature getting all over an emitter lens. Also, honestly, can C-More shorten their stupid Railway sights? Those look so 90s. They’re super popular on open guns though, so clearly I’m missing something.

The shorter Aimpoint T-1 will also not overhang the ejection port, so we won’t have to worry about tuning that. Win win.

This is going to need a compensator. Duh. It’ll be bigger than the one on our original Glockblaster because there’s more gas from the hotter .40 round, and we don’t care about length. We’ll go with the SJC Major Comp. Great reviews, very effective, and it even looks good.

We’ll need a threaded barrel, of course. I’m going to do this right. And I’m in no rush. So we’ll get match target barrels from Bar Sto, and have them professionally fitted.

Next, we’ll want an aftermarket guide rod. A steel one, again for weight reasons. More importantly, this will let us get the right weight recoil spring to go with our compensated barrels. We’ll get a bunch of spring weights and test.

I know what I like for triggers. Overwatch Precision’s DAT flat-face trigger with NP3-coated trigger bar, and the TTI Grandmaster spring/connector kit. That said, I might like to try something different. What is left to do? Well, some of the aftermarket trigger companies change the trigger bar/trigger shoe interface geometry. There’s a little bit of this done with the Overwatch triger, but if we go for a complete kit we can do more with that. Plus, I need to get all of the things like trigger housing and striker anyway. Might as well go with a kit from Zev or DK and see how that is.

Perfect, right? Well the problems K. C. Eusebio had with his open Glock got me to thinking…