Still pretty new and no reviews that I know of , but a good affordable option for HK MR owners.
MR556 & HK416 Upper Conversion Kit - 10.4"
IN STOCK & SHIPPING MORE PICS COMING!
Finally an answer for all of those that have been wanting a 10.4" 416 upper or a barrel option for your MR556, CR556 & HK 416's. Each upgrade kit is as close as you can get for those that want a HK 416 style upper upgrade but without the excessive price tag. The finest offering ever available here in the USA. Works on any HK 416 or MR556 upper receiver. Each unit is test fitted on HK416 & MR556 uppers for accuracy and compatibility.
Each US made conversion kit includes:
Proven Gas Piston Design
10.4" 416R Stainless 1/7 twist 5.56 Nitrided barrel
Newer A5 barrel profile
Enhanced Stainless steel barrel nut
Newer updated 416 style stainless steel billeted "vented" gas block
Full machined bayonet lug & ambi sling loops on gas block
A2 416 style flash hider & crush washer
Barrel nut install & removal tool for ease in making the barrel swap a breeze
Each conversion kit includes all the necessary parts you need for the barrel conversion to your HK 416 or MR556. Simply add your gas piston assembly, upper receiver & bolt carrier group. Why spend needless thousands of dollars on used PD trade in 416 uppers or imperfect cut down MR556 conversions when you can have the closest thing for a fraction of the price. 100% USA made!
No FFL required as the upper assembly is only considered parts and not an FFL item.
Origin: USA
Condition: New
Caliber: 5.56 x 45mm
Price: $589.95
http://www.hkparts.net/shop/pc/HK-MR556-HK-416-10-4-556-Upper-Conversion-Kit-14p17824.htm
MR556 & HK416 Upper Conversion Kit - 10.4"
IN STOCK & SHIPPING MORE PICS COMING!
Finally an answer for all of those that have been wanting a 10.4" 416 upper or a barrel option for your MR556, CR556 & HK 416's. Each upgrade kit is as close as you can get for those that want a HK 416 style upper upgrade but without the excessive price tag. The finest offering ever available here in the USA. Works on any HK 416 or MR556 upper receiver. Each unit is test fitted on HK416 & MR556 uppers for accuracy and compatibility.
Each US made conversion kit includes:
Proven Gas Piston Design
10.4" 416R Stainless 1/7 twist 5.56 Nitrided barrel
Newer A5 barrel profile
Enhanced Stainless steel barrel nut
Newer updated 416 style stainless steel billeted "vented" gas block
Full machined bayonet lug & ambi sling loops on gas block
A2 416 style flash hider & crush washer
Barrel nut install & removal tool for ease in making the barrel swap a breeze
Each conversion kit includes all the necessary parts you need for the barrel conversion to your HK 416 or MR556. Simply add your gas piston assembly, upper receiver & bolt carrier group. Why spend needless thousands of dollars on used PD trade in 416 uppers or imperfect cut down MR556 conversions when you can have the closest thing for a fraction of the price. 100% USA made!
No FFL required as the upper assembly is only considered parts and not an FFL item.
Origin: USA
Condition: New
Caliber: 5.56 x 45mm
Price: $589.95
http://www.hkparts.net/shop/pc/HK-MR556-HK-416-10-4-556-Upper-Conversion-Kit-14p17824.htm


















































