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HK MR556 A4 For Sale
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Home Rifles HK MR556 A4 For Sale Semi Automatic Centerfire Rifle
Heckler & Koch P8A1 For Sale
Heckler & Koch P8A1 For Sale 9mm Semi Auto Pistol Limited Production - 15+1 Rounds | 4.25" Barrel | Black $1,200.00 Original price was: $1,200.00.$900.00Current price is: $900.00.
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FN Rush 9Ti For Sale
FN Rush 9Ti For Sale $804.00 Original price was: $804.00.$700.00Current price is: $700.00.

HK MR556 A4 For Sale Semi Automatic Centerfire Rifle

$3,300.00

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Category: Rifles Tags: Buy HK MR556 A4, HK MR556 A4 For Sale, HK MR556 A4 price
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Description

HK MR556 A4 For Sale 16.5″ – Precision-Driven. Battle-Tested. Commercial-Ready.

The MR556 A4 is the latest evolution of HK-USA’s civilian adaptation of the legendary HK416—a rifle known worldwide for its uncompromising performance in the hands of elite military units. Built for shooters who demand unmatched reliability, durability, and control, the MR556 A4 delivers top-tier capability in a commercial-ready package.

Chambered in 5.56x45mm NATO, the MR556 A4 features HK’s proven short-stroke gas piston system—a design that keeps carbon and heat out of the receiver, minimizing fouling and wear on internal components. The result? Longer run times, reduced maintenance, and superior performance over traditional direct-impingement AR platforms.

Key Performance Features:

  • Adjustable gas regulator for seamless transition between suppressed and unsuppressed shooting

  • Fully ambidextrous controls for intuitive operation by right- or left-handed users

  • Slim, lightweight profile enhances balance, mobility, and weapon handling under any conditions

Whether for duty use, competition, or serious recreational shooting, the MR556 A4 is a refined, precision-built rifle that doesn’t compromise—because your rifle shouldn’t either.

HK MR556 A4 For Sale Specifications

Product Information

Cartridge 5.56x45mm NATO
Action Type Semi Automatic
Capacity 30+1
Weight 7.67 Pound
Overall Length 36.5 Inches
Barrel Length 16.5 Inches
Barrel Finish Black
Threaded Muzzle Yes
Threads 1/2″-28
Front Sight None
Rear Sight None
Hand Right
Frame Material Aluminum
Frame Finish Matte
Youth No
Stock Type Pistol Grip
Stock Material Synthetic
Stock Color Black
Muzzle Device Muzzle Brake
Scope Included No
Manufacturer Heckler & Koch GmbH
Fluting No
Country of Origin United States of America
Trigger Type Two Stage
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