AR-AK-SubGuns

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 MR762A4 Rifle with 16.5-Inch Threaded Barrel and Ambidextrous Controls

Heckler and Koch (HK USA)

HK MR762A4 Rifle with 16.5-inch Threaded Barrel and Ambidextrous Features

Geissele Automatics

Geissele Automatics 05-1521S GFR Rifle Barrel for 6mm ARC, 16-inch DDC Finish

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

Heckler and Koch (HK USA)

HK MR556 A4 11-inch 5.56x45mm Semi-Auto Rifle with M-LOK Handguard and Black Finish

Heckler and Koch (HK USA)

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

Heckler and Koch (HK USA)

HK MR762 A4 Semi-Auto Rifle with 16.5-Inch Threaded Barrel, Black Finish and 20-Round Capacity