HECKLER & KOCH MR223, A3 version, Slim-Line Hkey

The Heckler & Koch MR223 A3 Slim-Line HKey is a semi-automatic rifle in caliber .223 Remington, designed for demanding sport shooters and hunters. It combines the proven AR-15 architecture with the reliable G36 gas piston system and offers high shooting accuracy through its free-floating, cold-hammered, and hard-chromed precision barrel. The ambidextrous controls and the Slim-Line handguard with HKey interfaces allow for flexible adaptation to individual needs.

Features

Free-floating, cold-hammered, and hard-chromed precision barrel for optimal shooting accuracy.
Ambidextrous controls, including bolt catch and magazine release lever.
Slim-Line handguard with HKey interfaces for versatile mounting options.
Six-position adjustable Slim-Line stock for individual customization.
Compatibility with NATO-STANAG magazines for quick magazine changes.

Areas of Use

Sport: Suitable for various long gun disciplines in competitive shooting.
Hunting: Usable for hunting applications, especially in predator hunting.

Technical Data

Caliber: .223 Remington
System: Semi-automatic rifle
Barrel length: 16.5″ (approx. 41.9 cm)
Overall length: approx. 852 mm (collapsed) / approx. 948 mm (extended)
Weight: approx. 3.89 kg
Magazine capacity: 10 rounds (additional magazines available as accessories)
Stock / Housing: Length-adjustable Slim-Line stock with 6 locking positions
Surface / Finish: Sand color
Additional features: Ambidextrous controls, Slim-Line handguard with HKey interfaces, mechanical folding diopter sight

Scope of Delivery

Heckler & Koch MR223 A3 Slim-Line HKey semi-automatic rifle
10-round magazine
Mechanical folding diopter sight
Plastic case
User manual