WMD Guns Nitromet Castle Nut
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WMD Guns
Overview
The WMD Guns Nitromet Castle Nut is a robust steel component designed to secure the buffer tube in your AR-15 build. Its nitride finish enhances durability and corrosion resistance, ensuring it can withstand the rigors of regular use while maintaining a secure fit. This castle nut is most commonly found in builds featuring a carbine gas system chambered in 5.56 NATO, making it a reliable choice for standard configurations.
Specifications
Available Merchants
Price Alert
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Build history on GunPartPicker
Builders on GunPartPicker first added the WMD Guns Nitromet Castle Nut to a build in February 2026.
Updated · from real builds on GunPartPicker
Builds Featuring This Part
See all builds →Builds in the community that include the Wmd Guns Nitromet Castle Nut
| Build | Parts | Total |
|---|---|---|
 | 27 | $2096.46 |
 | 30 | $2885.65 |
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