HANDGUNS
Heckler and Koch (HK USA)
Heckler and Koch (HK USA) MR556 A4
MR556 A4 5.56 11" 10+1 BLK
$3,749.00
Out of Stock
FFL TRANSFER REQUIRED. This firearm ships to your selected FFL dealer.
You'll complete a 4473 and background check at pickup. Most transfers cost $25–50 at the
local FFL. You'll select your dealer at checkout.
— Overview
MR556 A4 5.56 11" 10+1 BLK. Features: Short Stroke Gas Piston, HK416 Upper Receiver, M-LOK Handguard.
— Specifications
Built to Spec
Manufacturer
Heckler and Koch (HK USA)
Family
MR556 Series
Model
MR556 A4
Item Number
HK81001051
UPC
642230269446
Caliber
223 Rem | 5.56 NATO
Action
Semi-Auto
Capacity
10 + 1
Barrel Length
11"
Rate of Twist
1-in-7"
Thread Pattern
1/2x28
Total Length
26.5"
Weight
6.61 lbs.
Finish
Black
Finish Type
Black
Grip Type
HK Enhanced Ergonomic Grip
Stock/Grips
Collapsible / Folding Stock HK Enhanced Ergonomic Grip
Sights Type
None
Sights
No Sights
Special
Threaded Barrel