AR-15 Castle Nut Wrench

AR-15 Castle Nut Wrench

When it comes to reliable firearm maintenance, the A1Armory AR-15 Castle Nut Wrench is an essential tool for any builder, armorer, or enthusiast. Designed for tightening or removing castle nuts on AR-style rifles, this steel wrench delivers rugged performance, precise fitment, and long-lasting durability.

? Built from Durable Steel for Maximum Strength

Crafted from high-strength steel, this wrench is made to:

• ? Withstand repeated use without bending or warping

• ? Provide long-term reliability in demanding workshop conditions

• ? Deliver secure engagement with castle nuts without slipping

Its black finish adds corrosion resistance and a professional appearance.

? Optimized for AR Platform Maintenance

The A1Armory Castle Nut Wrench is designed specifically for:

• ? AR-15 platforms

• ? Compatible with .223 Remington, 5.56 NATO, and .308 Winchester rifles

• ? Ideal for buffer tube installation, removal, and maintenance

Whether you're building from scratch or making upgrades, this tool is a must-have.

? Lightweight and Compact for Easy Handling

Weighing just 1.4 oz and measuring 5.65 inches, this tool is:

• ? Easy to carry in your range bag or toolkit

• ? Simple to store without taking up space

• ? Compact yet powerful enough for high-torque tasks

Perfect for field use, home gunsmithing, or professional armorer work.

? Safe & Reliable Firearm Modifications

This wrench ensures secure torque and safety when working on your firearm:

• ? Prevents damage to your buffer tube assembly

• ? Offers proper leverage for safe, consistent tightening

• ? Trusted by builders and shooters who demand precision

? Key Specifications:

• ? Manufacturer: A1Armory

• ? Material: Heavy-duty steel

• ? Finish: Black

• ? Compatible Platforms: AR-15, AR-10 (.223/5.56/.308)

• ? Weight: 1.4 oz

• ? Length: 5.65 in

• ? Gun Type: Rifle

• ? Cartridges: 5.56 NATO, .308 Win, .223 Rem

Keep your AR platform secure and mission-ready. Add the AR-15 Castle Nut Wrench by A1Armory to your toolkit today and experience the quality trusted by firearm professionals across the country.

Add to Cart Now — Maintain your rifle with confidence and precision!