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If you're rebuilding a Noveske upper or swapping over to one of their free-float rails, this is the part that ties it all together. The 3rd Generation N4 Barrel Nut is the factory-correct nut for the NSR, NHR, NSR-SD, and NQR handguards, machined from American steel and treated with a manganese phosphate finish so it shrugs off heat and holds up over thousands of rounds. At 3.1 ounces it keeps things trim up front without sacrificing the solid, repeatable lockup Noveske rails are known for.
The big feature here is the reversible design. Because the nut can be flipped, you get more opportunities to land on precise timing, meaning the gas tube and handguard mounting holes line up exactly where they need to without over or under torquing. It uses 1-1/16 inch wrench flats, so you'll want the matching Noveske NSR barrel nut wrench to seat and torque it properly during install.
This nut is built for the 3rd Generation N4 system and is compatible with the NSR, NHR, NSR-SD, and NQR handguards. One thing worth repeating: it does not work with Noveske's 4th Generation handguard, which uses a different nut and a 1-1/4 inch wrench. If you're running a Gen4 rail, grab the 4th Gen barrel nut instead. For Gen1 and Gen3 builds, this is the right piece.
Whether you're setting up a fresh build or replacing a nut that's seen better days, this is the no-guesswork choice to keep your Noveske handguard mounted true and tight.
It's designed for the Noveske NSR, NHR, NSR-SD, and NQR handguards on the 3rd Generation N4 platform. It also serves as the correct nut for Gen1 and Gen3 N4 setups. It does not fit the 4th Generation handguard, which uses a different nut.
This nut uses 1-1/16 inch wrench flats, so you'll want the Noveske NSR barrel nut wrench sized for that. The 1-1/4 inch wrench is for the 4th Gen nut and won't be the right fit here. Using the correct wrench makes it easy to torque and time the nut properly.
The reversible design gives you more options to achieve precise timing when you torque it down. Flipping the nut lets you line up the handguard mounting points and gas tube clearance without over or under tightening. It takes a lot of the guesswork out of getting the rail indexed correctly.
It wears a manganese phosphate finish, which stands up well to the heat and wear a barrel nut sees over time. The nut weighs about 3.1 ounces, keeping the front end light while staying plenty strong for a solid lockup.
| UPC | 840906104071 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 05000363 |
| Color | Black |
| Product Type | Barrel Nut |
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