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New for 2018: Arex Rex Delta

New for 2018: Arex Rex Delta

Last week, I had the pleasure of attending the launch of the new Arex Rex Delta at an event in Slovenia. The young company’s latest offering is drastically different from its previous line of metal-frame DA/SA pistols but promises similar quality as we’ve come to expect from the Rex Zero 1 and Rex Alpha imported by FIME Group.

Having seen the company’s ultra-modern factory and meeting many of its 120 employees, I am confident that Arex can compete with any firearm manufacturer, foreign or domestic, when it comes to quality, production and workforce skill. It also helps that my experiences with the Rex Zero 1 and Rex Alpha have been nothing short of stellar when it comes to reliability and accuracy, so I’m sold on Arex as a handgun maker. Its new introduction, however, is a departure from the mold, so to speak.

Different design stages of the Arex Rex Delta shown, including 3D-printed models of the frame and backstraps.
Shown left to right: 3D-printed prototype, 3D-printed grip frame, pre-production prototype, production prototype.


The new Rex Delta is a polymer-frame, striker-fired handgun chambered in 9 mm and designed for concealed carry. Yes, that’s what everyone else is making these days, but there’s a good reason for that: sales. This type of pistol is what the market wants. Arex is seeking to claim its own space in this heavily saturated segment, and rightfully so. Based on my experience in Slovenia, the company will carve out its own niche quite nicely.

Not only does the Arex Rex Delta sport features we’re used to seeing on a polymer-frame 9 mm, it earns some bonus points for its steel sights and perfect grip texturing. It also sports four interchangeable backstraps for sizing adjustments and fully ambidextrous controls (mag-release button and slide-stop). But the most interesting part of this pistol is its trigger. The polymer trigger sports the ubiquitous blade safety, which isn’t all that interesting. Rather, its pull is unlike most on the market.

A single model of the Arex Rex Delta shown on a tabletop with the left side of the gun facing up, displaying grip texture and slide serrations.


The best way I can describe it is like a two-stage trigger, which is common on rifles, but not so much on handguns. A somewhat long, somewhat heavy initial pull reaches a stopping point, after which the shot breaks quickly, cleanly and with only a small amount of additional effort. Its reset is the best I’ve felt on any striker-fired handgun, ever—short, audible, tactile and did I mention short? Quite simply, the Rex Delta is ideal for those who shoot to and from reset.

Accuracy was solid at close range on steel plates, which is all the testing we did in southern Slovenia, not far from the border with Croatia (and only a couple dozen miles from a factory making a well-known polymer-frame, striker-fired pistol in the latter nation). Between all the writers, we put about 2,500 rounds total through all six currently extant Rex Deltas without a single failure of any kind. Not bad for a first effort.

The Arex Rex Delta shown disassembled on a tabletop, with the frame, barrel, recoil-spring, guide rod and slide all shown separately.
As an added safety feature, the Arex Rex Delta does not require a trigger pull to field-strip the gun for cleaning and maintenance.


The Arex Rex Delta will have an attractive MSRP of $449, and the first production units are scheduled to arrive in the U.S. in December 2018. We’ll have a complete review of this exciting new addition to the concealed-carry handgun market as soon as we get one of those production models in for testing. Based upon my first impressions, it’s definitely a pistol worth checking out.

The Arex Rex Delta shown in its case, complete with foam cutouts, interchangeable backstraps and spare magazines.

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