HM Defense

HM Defense leads the way in advanced AR-style rifle manufacturing, combining precision machining with patented technology. Designed and built in the USA, HM Defense rifles are known for their integrated monobloc barrels, low-maintenance operation, and next-level reliability. Whether you're looking for a lightweight AR-15, a hard-hitting .308, or a specialized 350 Legend platform, HM Defense offers unmatched engineering for tactical and recreational shooters alike. Models like the Defender M5 and Avenger M308 highlight the brand’s dedication to strength, speed, and accuracy.

Built for Performance

HM Defense rifles are engineered with innovation in mind, offering superior barrel strength, cleaner cycling, and enhanced durability.

Mission-Ready AR Platforms

From .223/5.56 to .308 and .350 Legend, HM Defense rifles suit a wide range of use cases—from defense to long-range shooting.

American Innovation

Each HM Defense rifle is crafted with proprietary designs and U.S.-sourced materials, ensuring both performance and patriotism in every round.

Product Focus

HM Defense AR15

The HM Defense AR15 is a high-precision, semi-automatic rifle chambered in 5.56 NATO. Built with HM’s patented Monobloc barrel and integral gas block, this AR-15 platform minimizes potential failure points and simplifies maintenance. With smooth cycling and consistent shot placement, it’s a go-to rifle for tactical users, competitors, and serious enthusiasts looking for lasting reliability and accuracy.

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HM Defense Defender M5

The Defender M5 is a premium AR-15 rifle featuring a full monolithic upper and sleek M-LOK handguard. Designed for 5.56 NATO or .223 Remington, it’s a lightweight yet robust option for defense or range applications. The one-piece barrel and gas block integration offer fewer weak spots and a cleaner firing experience. With tight tolerances and crisp trigger control, the Defender M5 stands out for modern AR shooters seeking performance without compromise.

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HM Defense Avenger M308

The Avenger M308 is HM Defense’s answer to the .308/7.62 NATO battle rifle. It delivers serious power in a semi-auto platform with the same advanced Monobloc barrel design. Ideal for precision shooting and long-range engagements, the Avenger M308 features a free-floating handguard, upgraded BCG, and premium furniture. It's a perfect match for users who demand .308 energy with AR-style handling.

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Frequently asked questions

What is HM Defense and where are their rifles made?

HM Defense is an American firearm manufacturer based in Ohio. Their rifles are 100% made in the USA using in-house machining and patented designs.

What makes HM Defense barrels different from others?

Their patented Monobloc barrels have the gas block built into the barrel itself. This reduces potential failure points and improves gas efficiency and durability.

What are the most popular HM Defense models?

Top picks include the AR15, Defender M5, and Avenger M308. These rifles are valued for their precision, durability, and advanced barrel design.

Is HM Defense 350 Legend a good choice for hunting?

Yes. The 350 Legend rifles from HM Defense are ideal for hunting in straight-wall cartridge states. They offer low recoil and strong terminal performance.

Do HM Defense rifles support aftermarket parts?

Yes, most HM Defense rifles use standard AR-compatible components, making them easy to upgrade with preferred stocks, optics, or triggers.

Where can I find HM Defense for sale or locate HM Defense dealers?

You can find HM Defense rifles for sale through trusted firearm retailers and online dealers listed on platforms like GunsAmerica or directly through authorized HM Defense distributors.

About

HM Defense is a U.S.-based firearms manufacturer known for innovation in AR-style rifle design. The company focuses on producing reliable, high-performance rifles using advanced machining and patented technology, including their signature Monobloc barrel.

History

Popular Models

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