RIFLES
Heckler and Koch (HK USA)
Heckler and Koch (HK USA) MR556 A4
MR556 A4 5.56 16.5" 30+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 16.5" 30+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
HK81000827
UPC
642230269408
Caliber
223 Rem | 5.56 NATO
Action
Semi-Auto
Capacity
30 + 1
Barrel Length
16.5"
Rate of Twist
1-in-7"
Thread Pattern
1/2x28
Total Length
33.25" to 36.5"
Weight
7.67 lbs.
Finish
Black
Finish Type
Black
Grip Type
HK416 Slimline Furniture
Stock/Grips
Collapsible / Folding Stock HK416 Slimline Furniture
Sights Type
None
Sights
No Sights
Special
Threaded Barrel