The LBE Unlimited AR-15 Armorers Tool (brand part no. ARMTL) is made in the USA from heat-treated 4140 steel and built to handle the most common maintenance tasks an AR-15 owner will encounter. Its wrench features aid in the installation and removal of castle nuts, 3/4-inch muzzle brakes, A2 receiver extensions, takedown and pivot pins, and both standard and free-float barrel nuts. A built-in 1/2-inch torque wrench helps get fasteners to spec, and a handy bottle opener rounds out a tool that’s likely to become the go-to choice for any AR-15 build or maintenance session.

Key Specifications

• Constructed from heat-treated 4140 steel, made in the USA for durability.
• Includes wrench features for castle nuts, 3/4-inch muzzle brakes, A2 receiver extensions, takedown/pivot pins, and both standard and free-float barrel nuts.
• Features a built-in 1/2-inch torque wrench for accurate fastener installation.
• Includes a convenient bottle opener built into the tool.

Frequently Asked Questions

What tasks can this tool handle? Installing and removing castle nuts, muzzle brakes, receiver extensions, takedown and pivot pins, and both standard and free-float barrel nuts on an AR-15.

Is it made in the USA? Yes, from heat-treated 4140 steel.

Buy the LBE Unlimited AR-15 Armorers Tool

A genuinely versatile, USA-made armorers tool, this is a smart addition to any AR-15 build kit. Order it from our LBE Unlimited gunsmithing tools lineup and our Lubbock, Texas team will get it shipped quickly.