Obsidian Arms Castle Nut Staking Tool

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 45deg 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