Description
The Arex Delta L Gen 2 Black Optic Ready is a full-size, striker-fired 9mm pistol from AREX Defense of Slovenia, with a 4.5-inch barrel, a milled optic-ready slide and a modular frame. This black model ships with one 17-round and one 19-round magazine.
Arex Delta L Gen 2 Black Optic Ready Overview
AREX is a Slovenian arms maker that supplies military and police customers in Europe, and the Delta is its polymer striker pistol. The Gen 2 refined the original with better grip texture, a flared magwell and a fully modular frame, and the L is the longest of the three sizes, with a 4.5-inch barrel. Global Ordnance imports it to the US. This version is all black with an optics-ready slide and comes with mounting plates for common miniature reflex sights, so you can add a red dot without paying for slide milling.
Optic-Ready Slide
The slide has a factory recess for a miniature reflex sight, and AREX includes five standardized mounting plates to cover the most common footprints. Retailers mention patterns such as Trijicon RMR, Holosun and Shield RMSc, but confirm your exact optic against the plates before buying. Plates add a little height compared with a direct-milled cut, so taller suppressor-height sights may be needed for co-witness. Until you mount an optic, the pistol runs on its factory iron sights with the cover plate in place.
Modular Frame and Ergonomics
The Delta frame uses removable front and rear inserts, and only the front insert is serialized, so the grip module can be swapped like other modular pistols. Four interchangeable grip inserts tune the backstrap for different hand sizes. The grip is stippled on all four sides with smooth edges that do not chew up skin or clothing, and the flared magwell helps speed reloads. The slide release and magazine release are ambidextrous, which makes the gun friendly to left-handed shooters.
Trigger and Shooting
AREX describes the action as a striker-fired true double action with a partially compressed striker spring, which gives a consistent pull from shot to shot. Reviewers generally find the trigger crisp for a striker gun, though it is not a match trigger. The 4.5-inch barrel and full-length slide add sight radius and a little weight up front, which keeps muzzle rise mild with standard-pressure 9mm. Use +P ammunition only in moderation, as with any polymer pistol.
Capacity, Rail and Duty Use
The pistol arrives with one 17-round and one 19-round magazine, so it holds up to 19+1 where legal. A multi-slot Picatinny rail on the frame accepts weapon lights and lasers. That combination of capacity, light rail and optic cut makes the Delta L a credible choice for home defense, range work and entry-level competition. Its long slide makes it less suited to concealed carry than the shorter Delta M or Delta X.
Honest Caveats
AREX is well regarded in Europe but less familiar in the US, so holster selection is narrower than for Glock, Smith & Wesson or Sig Sauer, especially for light-bearing holsters. Spare magazines and parts come through Global Ordnance and may be harder to find at local shops. Resale value usually trails the major brands. Published weights vary by source, from about 19.9 to 21 ounces empty, so treat the numbers here as approximate.
State Laws and Ownership
The included 17 and 19 round magazines are not legal in states that cap capacity at 10 or 15 rounds, including California, New York, New Jersey, Maryland, Massachusetts, Colorado, Illinois and Washington. California and Massachusetts also require handguns to appear on state rosters, and the Delta is not commonly listed. Other states have permit or licensing rules for handgun purchases. In Pennsylvania the pistol transfers through a licensed dealer with a background check. Confirm your state and local rules before you order.
Specifications
- Manufacturer: AREX Defense (Slovenia), imported by Global Ordnance
- Model: Delta L Gen 2 OR, black, item 602377
- UPC: 815537023893
- Caliber: 9mm Luger
- Action: striker-fired
- Barrel: 4.5 in.
- Capacity: 17+1 and 19+1, one of each magazine included
- Slide: black nitride, optic ready, five mounting plates
- Frame: polymer, modular front and rear inserts, Picatinny rail
- Backstraps: four interchangeable
- Controls: ambidextrous slide release and magazine release
- Length: approx. 7.7 in.
- Height: approx. 5.1 to 5.5 in.
- Width: approx. 1.18 in.
- Weight: approx. 19.9 to 21 oz without magazine
Before You Buy
Federal law requires handguns to be transferred through a licensed dealer, and buyers must be 21 or older to purchase a handgun from an FFL. You will complete ATF Form 4473 and a background check at your receiving dealer, who may charge a transfer fee.
Who It Is For
The Arex Delta L Gen 2 Black Optic Ready is a great fit for shooters who want a full-size, optic-ready 9mm with high capacity and a modular frame at a reasonable price.
Buy the Arex Delta L Gen 2 Black Optic Ready at MAG5 Firearms
MAG5 Firearms is a family-owned FFL in Collegeville, Pennsylvania. Order the Arex Delta L Gen 2 Black Optic Ready online and ship it to your local FFL dealer, or browse our full selection of firearms for more pistols. For factory details, visit AREX Defense.
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