Armorer’s Master Wrench®

Armorer’s Master Wrench®



The Armorer’s Master Wrench, the ultimate tool for firearm assembly and maintenance. Designed with the professional gunsmith and DIY enthusiast in mind, this wrench is a blend of unparalleled strength, precision and ergonomic design. The tool features a comprehensive set of functionalities, including a Mil-Spec barrel nut wrench and a specialized 10-post design free-float barrel nut wrench for superior grip and fitment. The inclusion of a castle nut wrench, compatible with both standard and aftermarket end plates, further enhances its versatility.

The wrench also boasts a dual-function muzzle brake wrench, with sizes 3/4″ and 5/8″ to cater to most muzzle brakes and fixed stock receiver extensions. Its innovative design integrates a 1/2″ torque wrench receiver, strategically positioned to facilitate accurate torque adjustments. Beyond its wrench capabilities, the tool transforms into a multi-purpose armorer’s hammer, equipped with three interchangeable heads – nylon, rubber and brass – to suit various gunsmithing tasks.

Constructed with high-quality stainless steel and featuring an ergonomic handle, the Armorer’s Master Wrench ensures maximum strength, durability and a comfortable, pain-free experience during prolonged use. This tool not only delivers on strength and precision but also redefines ergonomics in gunsmithing tools, making it a must-have for both professionals and enthusiasts.

WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

Availability: In stock SKU: AVAR15AMW Tags: , , , , , GTIN: 813119012464


  • The Armorer’s Master Wrench emerges as a pivotal tool in the gunsmithing industry, setting new standards for firearm assembly and maintenance. Meticulously designed, it caters to both professional armorers and DIY firearm enthusiasts, embodying strength, precision and ergonomic efficiency. This multifaceted tool revolutionizes the way gun maintenance and assembly tasks are approached, ensuring users are equipped with a solution that comprehensively addresses their needs.

    Key to its design is the inclusion of a Mil-Spec barrel nut wrench, precisely engineered to fit all mil-spec Delta Ring barrel nuts. Accompanying this feature is the specialized free-float barrel nut wrench with a unique 10-post design. This design is not only robust but also ensures a precise fit, providing unparalleled grip and leverage. The wrench’s ability to seamlessly adapt to various nut sizes and types is a testament to its versatility and ingenuity, making it an indispensable tool in the armorer’s arsenal.

    Further enhancing its utility, the Armorer’s Master Wrench includes a meticulously designed castle nut wrench. This component is adept at working with a wide range of end plates, both Mil-Spec and aftermarket. Such adaptability underscores the tool’s comprehensive nature, ensuring users have the necessary means to tackle a broad spectrum of assembly and maintenance tasks without the need for multiple tools.

    The Armorer’s Master Wrench also features a dual-function muzzle brake wrench, accommodating sizes 3/4″ and 5/8″. This versatility makes it suitable for most muzzle brakes and fixed stock receiver extensions. The inclusion of a 1/2″ torque wrench receiver, optimally positioned, further exemplifies the tool’s commitment to precision and accuracy. This feature allows for consistent torque application, a critical factor in ensuring the longevity and reliability of firearm components.

    In addition to its wrench functionalities, the tool transcends traditional boundaries by transforming into an armorer’s hammer. With three interchangeable heads – nylon, rubber and brass – it adapts to a variety of gunsmithing needs, from gentle taps to firm strikes. The tool’s construction, featuring high-grade stainless steel and an ergonomic handle, ensures maximum durability and a comfortable, strain-free experience during use. This thoughtful design not only speaks to the tool’s robustness but also to its user-centered approach, prioritizing comfort and efficiency in all gunsmithing tasks.

    The Armorer’s Master Wrench represents the pinnacle of gunsmithing tool design. Its comprehensive features, coupled with its ergonomic and durable construction, make it an essential tool for anyone engaged in firearm assembly and maintenance. This tool does not just perform functions; it redefines them, setting a new benchmark in the gunsmithing industry.

Upgrade Your Firearm Cleaning Experience With Armorer’s Master Wrench®.

• Mil-Spec barrel nut wrench for Delta Ring style barrel nuts.
• Free-float barrel nut wrench with 10-post design for enhanced grip.
• Castle nut wrench compatible with Mil-Spec and aftermarket end plates.
• Dual-function muzzle brake wrench, sizes 3/4″ and 5/8″.
• 1/2″ torque wrench receiver for precise torque adjustments.
• Ergonomic handle for comfortable, strain-free use.
• Constructed from high-grade stainless steel for durability.
• Interchangeable hammer heads: nylon, rubber, brass.
• Versatile design, converting into an armorer’s hammer.
• Optimal tool positioning to maintain consistent torque application.
• Steel hammer head for robust, heavy-duty use.
• Precision fitment ensuring no-slip grip on components.
• Suitable for both professional and DIY gunsmithing tasks.
• Streamlined design for efficient storage and accessibility.

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