The Outdoor Connection BTNW28197 Buffer Tube Wrench is a purpose-built tool designed to properly install and remove buffer tube castle nuts on M4, CAR-15, and carbine-style rifles. Constructed from durable steel with a black phosphate finish and paired with a black rubber handle, it offers a secure grip and reliable engagement on single-point sling adapter plates and buffer tube hardware.

This wrench is ideal for routine rifle maintenance, upgrades, and armorer-level work where precise control over the buffer tube assembly is required. Its three-lug design helps ensure a positive fit on compatible castle nuts, reducing the chance of slippage while you work. Whether you are setting up a new rifle or fine-tuning an existing build, this tool supports consistent results and reflects Outdoor Connection’s focus on practical, dependable firearm accessories.

Key Features:

• Manufacturer: Outdoor Connection
• Model: BTNW28197 Buffer Tube Wrench
• Type: Buffer Tube Wrench
• Color: Black Phosphate
• Material: Steel
• Handle Material: Rubber
• Gun Type: Rifle
• Length: 9.5"
• Weight: 0.2 lb