HM Defense GuardianF5HM Defense GuardianF5
The HM Defense Guardian F5 is a compact 5.56 NATO platform designed to provide agency-grade reliability in a streamlined, cost-effective configuration. Built with HM Defense’s core manufacturing standards and components, the Guardian F5 is intended for specialized deployment, training programs, and departments seeking a compact AR-pattern weapon without unnecessary complexity.
This platform maintains a standard AR-15 manual of arms, allowing seamless integration into existing law-enforcement training pipelines.
Operational Advantages for Law Enforcement
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Compact footprint suitable for vehicle deployment and confined environments
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Simplified, duty-focused configuration reduces maintenance burden
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Standard AR-15 controls minimize training and transition time
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Compatible with common patrol optics and weapon lights
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Cost-conscious option for agencies, academies, or special units
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Built to HM Defense quality and reliability standards
Barrel System
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5″ 5.56 NATO barrel
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4150 chromoly steel
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½×28 threaded muzzle
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Optimized for compact operation and rapid handling
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Designed to support suppressor use in close-quarters environments
The Guardian series focuses on practical durability and consistent performance while maintaining a simplified configuration suitable for agency use.
Upper & Lower Receivers
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Forged 7075-T6 aluminum
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Type III hard-coat anodized finish
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Flat-top Picatinny upper receiver
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Mil-Spec lower receiver for parts compatibility and ease of service
Bolt Carrier Group
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M16-profile bolt carrier group
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Built to duty standards for reliable cycling and longevity
Handguard & Accessory Integration
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Compact free-float aluminum handguard
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Picatinny top rail for optics
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M-LOK mounting surfaces for low-profile weapon lights or mission-essential accessories
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Sized to support close-quarters use without excess bulk
Controls & Ergonomics
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Mil-Spec fire control group
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Standard AR-15 controls
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QD sling-ready end plate
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Ergonomics optimized for rapid deployment from vehicles or storage
Weight & Handling
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Ultra-compact, lightweight configuration
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Designed for fast presentation and maneuverability
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Suitable for officers operating in confined or vehicle-centric environments
Suppressor & Tactical Integration
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Threaded barrel supports agency-approved suppressors
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Commonly configured suppressed to mitigate blast in confined spaces
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Compatible with night-vision devices, IR lasers, and duty optics
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Gas and buffer systems may be tuned based on ammunition and suppressor selection
Specifications
| Category | Specification |
|---|---|
| Caliber | 5.56 NATO / .223 Rem |
| Barrel Length | 5″ |
| Configuration | Compact / Entry-Level Duty |
| Receivers | Forged 7075-T6 Aluminum |
| BCG | M16-Profile |
| Rail | Compact Free-Float, M-LOK |
| Controls | Mil-Spec AR-15 |
| Intended Role | Specialized / Vehicle / Training |
Agency Use Case Summary
The Guardian F5 is well suited for:
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Specialized or niche law-enforcement roles
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Vehicle-borne deployment
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Training and familiarization programs
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Plainclothes or support units
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Departments seeking a compact, budget-conscious AR platform
