This NcSTAR AR-15 Combo Armorer’s Wrench is a multi-function maintenance tool designed for assembly and armorer-level service on AR-15/M4/M16 platforms. It combines a GI barrel nut wrench, A1/A2 flash suppressor fits, and castle nut wrench features with a flat blade screwdriver interface and 1/2″ drive compatibility. Constructed from steel and finished in black, it is intended for gunsmithing, range maintenance, and workshop use.
Key Specifications
- The overall length is 12.7 inches.
- The tool’s weight is approximately 20.2 oz.
- Constructed from steel for durability.
- Compatible with GI barrel nuts for AR-15/M4/M16 assemblies.
- Includes fittings for A1 and A2 flash suppressors.
- Includes wrenches for both older single-pin and M4 collapsible stock castle nuts.
- Accepts a 1/2″ drive ratchet for additional leverage.
- Finish and handle color: black.
- NcSTAR patented design: U.S. Pat. # D598723.
This armorer’s wrench consolidates multiple common AR-platform maintenance functions into a single steel tool, helping reduce the number of separate tools required in a workshop or range bag. The combination of barrel nut, flash suppressor, and castle nut interfaces, plus 1/2″ drive compatibility and a flat blade screwdriver option, makes it a practical choice for armorers and lay users performing routine disassembly, installation, and component replacement.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




