Skip to content
Shop
Firearms
Rifles
Pistols
Shotguns
Accessories
Parts
Rifle Parts
Pistol Parts
Silencers
Rifle Silencers
Pistol Silencers
Rimfire Silencers
Silencer Accessories
Muzzle Devices
Gear
Illumination
Weapon Mounted
Control
Knives
Bags and Packs
Apparel
Misc.
Medical
Brands
About
Contact / FFL
Shop
Firearms
Rifles
Pistols
Shotguns
Accessories
Parts
Rifle Parts
Pistol Parts
Silencers
Rifle Silencers
Pistol Silencers
Rimfire Silencers
Silencer Accessories
Muzzle Devices
Gear
Illumination
Weapon Mounted
Control
Knives
Bags and Packs
Apparel
Misc.
Medical
Brands
About
Contact / FFL
Shop
Firearms
Rifles
Pistols
Shotguns
Accessories
Parts
Rifle Parts
Pistol Parts
Silencers
Rifle Silencers
Pistol Silencers
Rimfire Silencers
Silencer Accessories
Muzzle Devices
Gear
Illumination
Weapon Mounted
Control
Knives
Bags and Packs
Apparel
Misc.
Medical
Brands
About
Contact / FFL
Shop
Firearms
Rifles
Pistols
Shotguns
Accessories
Parts
Rifle Parts
Pistol Parts
Silencers
Rifle Silencers
Pistol Silencers
Rimfire Silencers
Silencer Accessories
Muzzle Devices
Gear
Illumination
Weapon Mounted
Control
Knives
Bags and Packs
Apparel
Misc.
Medical
Brands
About
Contact / FFL
Search
Search
Search
Login / Register
Login / Register
$
1,999.99
1
Cart
Home
/
Shop
/
Parts
/
Rifle Parts
/
Complete Uppers
Complete Uppers
Accessories
Slings
Magazines
Mag Accessories
Tools
Batteries
Bipods
Cleaning
Ammo
Rifle Ammo
Pistol Ammo
Rimfire Ammo
Shotgun Ammo
Apparel
SK Swag
Watch
Shirts
Hats
Headwear
Firearms
Pistols
Rifles
SBRs
Receivers
Shotguns
Used
Gear
Bags and Packs
Belts
Ear Pro
Holsters
Mag Carriers
Medical
Miscellaneous
Illumination
Lights
Weapon Mounted
Handheld
Control
Light Mounts
Knives
Auto
Folder
Fixed
Misc.
Optics
Pistol RDS
Non-Magnified
Magnified
Optic Mounts
Optics Accessories
Binocular and Range Finders
Spotting Scopes
Back Up Sights
Thermal
Night Vision
Parts
Rifle Parts
Rifle Barrels
Rifle Triggers
Complete Uppers
Grips
Handguards
Lower Parts
Upper Parts
Muzzle Devices
Stocks
Pistol Parts
Slides
Pistol Triggers
Sights
Magwells
Pistol Barrels
Silencers
Rifle Silencers
5.56mm
6mm
7.62mm
Big Bore
Pistol Silencers
Rimfire Silencers
Silencer Accessories
Uncategorized
Categories
Accessories
Slings
Magazines
Mag Accessories
Tools
Batteries
Bipods
Cleaning
Ammo
Rifle Ammo
Pistol Ammo
Rimfire Ammo
Shotgun Ammo
Apparel
SK Swag
Watch
Shirts
Hats
Headwear
Firearms
Pistols
Rifles
SBRs
Receivers
Shotguns
Used
Gear
Bags and Packs
Belts
Ear Pro
Holsters
Mag Carriers
Medical
Miscellaneous
Illumination
Lights
Weapon Mounted
Handheld
Control
Light Mounts
Knives
Auto
Folder
Fixed
Misc.
Optics
Pistol RDS
Non-Magnified
Magnified
Optic Mounts
Optics Accessories
Binocular and Range Finders
Spotting Scopes
Back Up Sights
Thermal
Night Vision
Parts
Rifle Parts
Rifle Barrels
Rifle Triggers
Complete Uppers
Grips
Handguards
Lower Parts
Upper Parts
Muzzle Devices
Stocks
Pistol Parts
Slides
Pistol Triggers
Sights
Magwells
Pistol Barrels
Silencers
Rifle Silencers
5.56mm
6mm
7.62mm
Big Bore
Pistol Silencers
Rimfire Silencers
Silencer Accessories
Uncategorized
“HK MR556A1 Complete Upper 16.5″” has been added to your cart.
View cart
Showing the single result
Sort by popularity
Sort by latest
Sort by price: low to high
Sort by price: high to low
HK MR556A1 Complete Upper 16.5″
$
1,999.99
Add to cart
are you over 18?
YES
NO
