Barrel Nut - HK416 A5
Barrel Nut - HK416 A5
36 in stock
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Precision-machined performance for your HK416 A5 or MR556 build.
The HK416 A5 Barrel Nut is a high-quality, precision-machined replacement designed to match OEM specifications for HK416 A5 and MR556 platforms. Crafted from durable hardened steel and finished to resist corrosion, it ensures a secure barrel fit, proper alignment, and dependable long-term performance for your upper receiver. Perfect for new builds, barrel swaps, or replacements.
Key Features:
- Precision-machined replacement part
- Compatible with HK416 A5 and MR556 platforms
- Hardened steel construction for strength and longevity
- Machined to OEM specifications for proper fit and alignment
- Corrosion-resistant black DLC finish for lasting protection
- Ideal for builds, repairs, or replacements
- Marked with Haus Logo
- Made in USA
Upgrade with confidence. Order your HK416 A5 Barrel Nut today and complete your build with precision.
Compatible With:
- HK416 A5
- HK MR556 A4
- HK MR223 A3
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Let customers speak for us
from 26 reviewsHelps immensely when pushing pins. Keeps everything stable and easy to work with. Keeps you from marring your barrels!
Gives me the confidence to work on my 416 platform gun without damaging anything. Works on multiple platforms as well.
Folding sight arrived in great shape. Works with my 33mm height rear just fine. A+
Awesome tool! Its well made, helps with working on yhe 416 platform specifically. Great finish too.
Same ol’ great NA quality we’ve all come to expect. Super cool threads!
For those who don’t already know, you CANNOT do better than Marvin’s barrels. Or pretty much anything Marvin makes. Spend some money, buy his stuff, own great sh*t.
Quality item. Machine work is flawless. Best HK barrel you can find brand new.
Great hard to find unmarked HK upper. Super fast shipping too!
No issues with installation. Was easy to just, just took a little time to try the different jets. You need to make a version for the MR762.
It is nice to do business with a company that provides impeccable customer service along with quality products. Very happy with my purchase of the HK 416 reaction rod.
It's always nice to have the right tool for the job. This reaction rod is precision made from quality materials and meets HK's exacting tolerances without damaging the barrel.
So far so good. Fits great! Great products! Been running there barrels for a couple years!