MR556 A4

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Gray Cerakote Finish

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock 81001033

Heckler and Koch (HK USA)

Heckler and Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock and Gray Cerakote Finish

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock 81000827

Heckler and Koch (HK USA)

Heckler & Koch MR556 A4 5.56 NATO Rifle with Collapsible Stock

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 11-Inch Barrel in Patriot Brown and Black Synthetic Finish

Heckler and Koch (HK USA)

HK 81001202 MR556 A4 5.56x45mm Rifle with 11-Inch Threaded Barrel and M-LOK Handguard

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel and Ambidextrous Features

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel, 5.56x45mm, Patriot Brown Picatinny Rail, M-LOK Handguard, and Ambidextrous Safety

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel, Black M-LOK Handguard, and Ambidextrous Safety

Heckler and Koch (HK USA)

HK MR556 A4 Semi-Auto Rifle with 16.5-inch Threaded Barrel in Black, Part Number 81000828