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The ProMag PM249 Carbine Stock Wrench is a multi-function AR-15 gunsmithing tool designed to handle the most common assembly and disassembly tasks on your workbench. Built from durable carbon steel with a corrosion-resistant black-oxide finish, this tool consolidates several essential functions into one compact package — eliminating the need to hunt through your toolbox when you're building your first AR or performing maintenance on rifles you already own. Whether you're a first-time builder or an experienced gun owner working on multiple platforms, having the right tool for the job makes the work faster and more reliable.
This wrench handles four distinct tasks: castle-nut wrench function for stock and buffer-tube work, receiver-extension removal capability, A1/A2 flash-hider wrench function, and a bottle opener for the range or shop. The black-oxide steel construction resists corrosion and is built to withstand repeated use without wearing out or stripping. Made in the USA, the ProMag PM249 is the kind of tool that earns a permanent spot in any serious shooter's maintenance kit.
If you're setting up an AR-15 building station or just tired of improvising with the wrong tool, this wrench pays for itself the first time you use it. It's compact enough to store easily but substantial enough to do real work without flex or failure.
The ProMag PM249 is designed for castle-nut work (stock and buffer-tube assembly/disassembly), receiver-extension removal, and A1/A2 flash-hider installation and removal. It consolidates multiple tools into one, making it practical for both full builds and field maintenance.
This wrench is specifically designed for AR-15 carbine work. Compatibility with other rifle platforms depends on matching component dimensions and designs.
The ProMag PM249 is constructed from carbon steel with a black-oxide finish, which provides corrosion resistance and durability for repeated use.

SKU: 115713266 • Width: 2in • Height: 0.3in • Depth: 8.5in • Weight: 0.5oz