Heckler Koch
Hk Upper Mr556a4 5.56 16.5" Blk
Hk Upper Mr556a4 5.56 16.5" Blk
$2,179.00
Shipping restrictionsCan't ship to CA; CT; IL; NJ; WA.
SKU / RSR#HK51000384
UPC642230270213
MPN51000384
AvailabilityOut of Stock
Description
Heckler & Koch MR556 A4 Upper Receiver, 223 Remington/5.56 NATO, 16.5" Barrel, Threaded 1/2X28, M-LOK Handguard, Anodized Finish, Black, Fits AR-15 Lower Receivers, Includes Bolt Carrier Group, Charging Handle, Buffer Weight and Buffer Spring 51000384