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Handguns
Rifles
Shotguns
Ammo
Magazines
Accessories
Optics
Knives
Black Powder
Hunting
Camping
Archery
Personal Safety
Air Guns
NFA/Class III
Fishing
Apparel
Flamethrowers
Featured
In Stock Now
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Top Selling Accessories
Gunsmithing
Corporate
Corporate Site
Capabilities Statement
Transfers
Training
Tactical Training
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Contact Us
HK
HK HK 81000584
Product Code : 642230262607
$1,784.99
5 left in stock
Mfg Item #: 81000584
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Details
Shipping
MR556A1 UPPER RECEIVER 5.56MM
Barrel
16.5"
Finish
Matte Black
Caliber
223 Rem | 5.56 NATO
Rate Of Twist
1-in-7"
Additional Feature 1
Includes Bolt and Buffer
Additional Feature 2
M-Lok Handguard
Determined at checkout.
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