All items from Heckler & Koch Item no. WX4153621

Heckler & Koch MR308 A3 Self-Loading Rifle 20" Slim-Line HKey Black .308 Win.

Name: Heckler & Koch MR308 A3 Self-Loading Rifle 20" Slim-Line HKey Black .308 Win.
Brand: Heckler & Koch
SKU: WX4153621
Price: 3899 EUR
Availability: InStock

.308 Win

3.899,⁰⁰ €

incl. VAT plus firearms shipping €15

In stockDelivery time 3-⁠7 working days after verification of your purchase authorisation

Purchase authorisation requiredPurchase with a firearms ownership licence (WBK) or hunting licence. After ordering, send us a copy by e-mail or WhatsApp. How buying firearms works

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Firearms shipping flat rate €15
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Pre-order with a 25% deposit

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Heckler & Koch MR308 A3 Slim-Line HKey with 20-inch barrel in black

This MR308 A3 in calibre .308 Win. has a 508 mm (20") free-floating barrel and the Slim-Line handguard with HKey interfaces. Overall length approx. 929–1072 mm, weight 4.47 kg, colour black. The 20-inch barrel offers the longest sight line in the range and favours precise shooting at longer distances.

Civilian version of the HK417

The MR308 is the semi-automatic civilian version of the HK417, which is used by police and military. It is built to the same quality and with the same standards of precision, safety and reliability. Like the smaller MR223, it operates as an indirect gas-operated rifle with the proven operating system of the G36 – here in calibre .308 Win. and in AR design.

Free-floating precision barrel

HK builds the MR308 with barrel lengths of 13, 16.5 and 20 inches. The cold hammer-forged, hard chrome-plated precision barrels are free-floating. The Slim-Line handguard with HKey interfaces sits precisely on the extended barrel nut, so that nothing warps or loosens under load. According to the manufacturer, the rifle is fully suitable for hunting and designed for static as well as dynamic long-firearm disciplines.

Symmetrical controls

The controls are arranged symmetrically on both sides. This lets you switch quickly from right-handed to left-handed shouldering, and left-handed shooters also get along without any conversion. The extendable Slim-Line shoulder stock locks into five positions and can thus be adjusted to suit your build.

Slim-Line handguard with HKey, STANAG 4694 (12 o'clock) and Picatinny (6 o'clock)
Transparent 10-round plastic magazine
Ambidextrous bolt catch and magazine release levers
Quick-change rear sight and folding front sight
Slim-Line shoulder stock with 5 locking positions
Flash hider
Supplied in a plastic case

Technical data

Calibre	.308 Win.
Barrel length	508 mm (20")
Overall length	approx. 929–1072 mm
Weight	4.47 kg
Magazine capacity	10 rounds (magazine supplied)
Trigger	Standard
Sights	Mechanical diopter sight (quick-change rear sight), folding front sight
Barrel	HK precision barrel, cold hammer-forged, hard chrome-plated, free-floating
Colour	Black
Scope of delivery	Transparent 10-round plastic magazine, plastic case
Manufacturer number	261442

SystemSelbstladebüchse

Calibre.308 Win

Item numberWX4153621

Stock1 Stück

1
Order onlineAdd to basket and go to checkout as usual.
2
Send your proofA copy of your WBK or hunting licence by e-mail or WhatsApp.
3
Verification & shippingWe check your proof and ship for €15 – or you collect by appointment.

How buying firearms works →

Manufacturer information

Registered trade name: Heckler & Koch GmbH
Registered trade mark: Heckler & Koch
Street: Heckler & Koch-Straße 1
City: 78727 Oberndorf
Country: Germany

Safety and warning information

This product may only be used as intended and in compliance with all statutory regulations, the manufacturer's specifications and the enclosed operating, safety and warning instructions. Improper use, incorrect storage, faulty assembly or unauthorised transfer can result in serious injury, damage to property or criminal or administrative consequences. Read the manufacturer's operating instructions before first use and keep them.

The product is not a toy and must not get into the hands of children or unauthorised persons. Always store the product safely, dry, locked away and inaccessible to unauthorised persons. Only use the product if you are familiar with its safe handling and meet the legal requirements for its purchase, possession and use.

Knives, blades, tools and sharp or pointed objects present a risk of cuts, stab wounds and injury. Do not touch sharp edges or points without protection and use suitable sheaths, safety devices or packaging.

For firearms, essential firearm parts, accessories and ammunition, the special provisions of weapons law, proof law, explosives law and other applicable regulations also apply. Always treat firearms as if they were loaded. Never point weapons at people; point them at animals only in the context of lawful hunting. Ammunition must be stored separately, safely and inaccessible to unauthorised persons.

For products with batteries or rechargeable batteries: do not short-circuit, heat or open them, charge them only with suitable chargers and do not continue to use damaged batteries. For products with a laser or a strong light source: never look into the beam and do not point the beam at people or vehicles.

Check the product for damage, wear, secure fit and proper condition before each use. Do not continue to use damaged, modified or not clearly safe products. Modifications, conversions or repairs may only be carried out within the legally permissible framework and, where necessary, by qualified persons.

Always observe the statutory provisions applicable in your country and to your intended use. The purchase, possession, transport and use of certain products may require a permit, be subject to age restrictions or be prohibited.

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