Obsidian Arms AR-15 Castle Nut Staking Tool
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The Obsidian Arms AR-15 Castle Nut Staking Tool is designed to assist with staking castle nuts during AR-15 buffer tube installation and maintenance. Manufactured in the USA from heat-treated S7 tool steel, this tool is built for repeated use in armorer and gunsmith applications. The design displaces material at approximately a 45-degree angle from center to help secure the castle nut in place after proper torqueing. A black oxide finish provides added resistance to corrosion. This tool is backed by a lifetime warranty.
Specifications:
- Designed for AR-15 castle nut staking
- Material: Heat-treated S7 tool steel
- Finish: Black oxide corrosion-resistant coating
- Displaces material at approximately 45° from center
- Made in the USA
- Lifetime warranty
- Includes: Castle Nut Staking Tool
| Dimensions | 1x1x1 |
|---|---|
| Coating Type | QPQ |






