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HK

HK MR556 A4 81001051

Product Code : 642230269446

Mfg Item #: 81001051

MR556 A4 5.56 11" 10+1 BLK

Actionsemi-auto
Barrel11"
FinishBlack
Length26.5"
SightsNo Sights
Caliber223 Rem | 5.56 NATO
Capacity10 + 1
Magazine1 10 rd.
ReceiverFully Ambidextrous Lower
Rate Of Twist1-in-7"
Stock Frame GripsCollapsible / Folding Stock HK Endanced Ergonomic Grip
Nfa Thread Pattern1/2x28
Additional Feature 1Short Stroke Gas Piston
Additional Feature 2HK416 Upper Receiver
Additional Feature 3M-LOK Handguard

Determined at checkout.