The HK MR223A3 is renowned for its exceptional reliability. Its gas operating system was originally developed for military applications and has proven itself over many years of service use. The piston-driven system minimizes carbon fouling and ensures reliable operation even under demanding conditions.

Features

• Free-floating barrel for excellent accuracy
• Outstanding performance in durability and extreme-condition testing
• Six-position adjustable stock
• Proven G36 technology for maximum precision, reliability, easy maintenance, and superior handling
• Slim Line handguard with HKey interfaces
• Hard chrome-lined barrel

Optional Accessories

• 10 / 20 / 30-round magazines
• Convex and concave butt pads
• Various grips
• Muzzle devices / flash hiders
• Side rail panels and vertical foregrips
• Harris bipod and HK adapter
• Various sight systems
• Quick-detach optic mounts

General

Caliber
.223 Rem.

Operating Principle
Gas-operated

Magazine Capacity
2 / 5 / 10 / 20 / 30 rounds

Dimensions

Length min./max.
Approx. 711 / 807 mm

Width
Approx. 74 mm

Height
Approx. 191 mm

Barrel Length
Approx. 420 mm

Sight Radius
Approx. 279 mm

Weight

Weapon Weight
Approx. 3.51 kg

Important Information Regarding Firearm Orders

Please note the following:

• Firearm orders can only be placed through our online shop
• During the checkout process, please upload the following documents:

• Valid hunting license (Jagdschein)
• Firearms ownership card (WBK), including pre-entry if applicable
• NWR IDs (see master data sheet)
• Valid ID card or passport

All documents must be:
• Valid
• Complete (front and back side)
• Clearly legible

After your order has been placed and the item is available, you will receive a proforma invoice from us. Once payment has been received, we will coordinate the delivery date with you. Alternatively, personal pickup is possible.

⚠️ Magazines with capacities greater than 10 rounds are only available to persons legally authorized to purchase them.