Results for Heckler and Koch 5.56x45mm NATO AR Parts

3 products found across 4 retailers

Hide out of stock

Sort:

Heckler & Koch HK MR556 Upper Receiver Kit w/Bolt, Buffer Spring, M-LOK, & Barrel Assembly 81000584 - Heckler and Koch

Heckler and Koch

Heckler & Koch HK MR556 Upper Receiver Kit w/Bolt, Buffer Spring, M-LOK, & Barrel Assembly 81000584

● Out of Stock

HK USA MR556-A1 Match 5.56 Upper Receiver Kit - Heckler and Koch

Heckler and Koch

HK USA MR556-A1 Match 5.56 Upper Receiver Kit

● Out of Stock

Heckler and Koch

MR556A4 UPPER KIT 5.56MM 14.5"

● Out of Stock