PRODUCT OVERVIEW

The Arex Delta S 4AMP FullSize TR is a striker-fired, modular full-size pistol system chambered in 9×19mm, developed within the AREX 4AMP platform to provide a configurable solution for sport shooting, duty, and advanced training applications.

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The TR (Threaded) configuration incorporates a threaded barrel, enabling compatibility with compensators or suppressors, while maintaining full-size handling characteristics. As part of the 4AMP package, the system is delivered with performance-oriented components including a compensator, extended magazine basepads, and conversion elements designed to enhance control and shooting dynamics.

The platform is based on the AREX Delta architecture, utilizing a polymer frame with interchangeable backstraps for adaptable ergonomics across different hand sizes. A low bore axis design and optimized weight distribution reduce muzzle rise and support faster follow-up shots.

The pistol operates with the SDA (Striker Double Action) trigger system, where the striker is partially pre-cocked and completed through trigger pull, providing a controlled take-up with a defined break while maintaining enhanced safety characteristics.

FULL KIT INCLUDES

Arex Delta S 4AMP FullSize TR pistol
Threaded barrel (TR configuration)
Multiple magazines (model dependent)
Interchangeable backstrap set
Cleaning kit
Transport case

SPECIFICATIONS

CALIBER: 9×19mm
BARREL LENGTH: ~4.5″ / 114 mm (threaded)
OVERALL LENGTH: ~190–210 mm (configuration dependent)
WEIGHT: ~600–700 g
FRAME: Polymer
SLIDE: Steel, nitro-carburized finish
ACTION: Striker-fired (SDA system)
MAGAZINE CAPACITY: ~17–19 rounds
BARREL: Threaded (TR), compatible with muzzle devices
SIGHTS: Fixed / suppressor-ready (model dependent)
RAIL: Picatinny accessory rail
GRIP SYSTEM: Interchangeable backstraps (S–XL sizes)
SAFETY: Trigger safety