Obsidian Arms Castle Nut Staking Tool - OA-CNST
In stock
Obsidian Arms Castle Nut Staking Tool
Precision staking made simple—reliable, repeatable, and built to last.
The Obsidian Arms Castle Nut Staking Tool offers a precise and effective solution for securing AR-15 castle nuts without the hassle of makeshift setups or unreliable methods. Machined from heat-treated S7 tool steel and finished with black oxide for corrosion resistance, this tool is built to withstand repeated use in professional or DIY settings.
Designed to displace material at a precise 45-degree angle, it ensures your castle nut stays locked in place under recoil, vibration, or stress. Whether you’re building a new rifle or performing maintenance on a duty weapon, this staking tool delivers clean, consistent results without damaging your end plate or lower receiver.
Proudly made in the USA and backed by a lifetime warranty, this is the last staking tool you’ll ever need.
Features
- Compatible with standard AR-15 castle nuts
- Made from S7 tool steel for superior strength and impact resistance
- Heat-treated and black oxide finished for durability and rust protection
- Displaces material at a 45° angle for proper mechanical locking
Specifications
- Material: S7 Tool Steel
- Finish: Black Oxide
- Function: Castle nut staking for AR-15 platforms
- Staking Angle: 45 degrees from center
| Weight | 2 oz |
|---|---|
| MPN | OA-CNST |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
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