The ProMag Carbine Stock Wrench (brand part no. PM249) is an AR-15 carbine stock wrench and multi-tool constructed of heat-treated steel with a durable black oxide finish. It combines a castle nut wrench, a receiver extension removal wrench, an A1/A2 flash suppressor wrench, and a bottle opener into a single, compact tool, covering most of the common fasteners encountered when installing or servicing a carbine-length AR-15 buffer tube and stock assembly. Made in the USA, it’s a genuinely practical addition to any armorer’s kit or range bag.

Key Specifications

• Constructed from heat-treated steel with a black oxide finish for corrosion resistance.
• Combines a castle nut wrench, receiver extension removal wrench, and A1/A2 flash suppressor wrench in one tool.
• Includes a built-in bottle opener.
• Made in the USA.

Frequently Asked Questions

What fasteners does this wrench handle? Castle nuts, receiver extensions (buffer tubes), and A1/A2 flash suppressors.

Is it made in the USA? Yes.

Buy the ProMag Carbine Stock Wrench

A genuinely multi-purpose wrench for carbine stock work, this tool belongs in every armorer’s kit. Order it from our ProMag gunsmithing tools lineup and our Lubbock, Texas team will get it shipped quickly.