Alex Pro Firearms120919663
Alex Pro Firearms Guardian 5.56 NATO M4 Carbine - 16" Barrel, M-LOK Handguard, 30-Round Magazine, Optics-Ready, Black Finish$932.63
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Availability: In Stock
The Alex Pro Firearms Guardian 5.56 NATO M4 rifle in MultiCam Green is a modern, modular AR-platform carbine built for hunters, sport shooters, and tactical enthusiasts who want reliable performance without the premium price tag. This 16-inch barreled rifle combines proven mil-spec components with practical features that make it equally at home on the range, in the field, or as a home-defense platform. The Guardian ships with a 30-round magazine and comes ready to mount optics on its flat-top receiver.
The 16-inch 4150 Chromoly steel barrel is hard-coat anodized for corrosion resistance and built to handle the rigors of regular shooting. Paired with a carbine-length gas system, it delivers the velocity and reliability you expect from a 5.56 NATO platform. The 15-inch M-LOK handguard gives you a modern interface for attaching lights, lasers, grips, or other accessories without the weight of traditional rail systems. The M4-style adjustable stock lets you dial in the fit for different shooting positions or gear configurations, while the A2 pistol grip provides a familiar, ergonomic control point.
The A2 flash hider tames muzzle rise and flash during rapid fire, and the standard M16 bolt carrier group ensures compatibility with most aftermarket parts and ammunition. MultiCam Green hydro-dipped finish blends well in varied terrain while resisting wear. This is a no-nonsense, configurable platform that rewards shooters who want to build their ideal setup over time.
| Caliber | 5.56 NATO |
| Barrel Length | 16 inches |
| Barrel Material | 4150 Chromoly steel, hard-coat anodized |
| Handguard | 15-inch M-LOK aluminum |
| Stock | M4 adjustable carbine stock |
| Grip | A2 pistol grip |
| Bolt Carrier Group | M16 style |
| Muzzle Device | A2 flash hider |
| Receiver | Flat-top Picatinny rail |
| Included Magazine | 30-round capacity |
| Finish | MultiCam Green |
The Guardian features a flat-top Picatinny rail receiver, so it's compatible with any standard Picatinny-mount optic—red dots, magnified scopes, prisms, and tube-style sight systems all work. Mount height depends on your rail system and optic, but the receiver itself accepts any standard AR accessory.
Yes. The 15-inch M-LOK handguard uses the M-LOK standard, so you can attach lights, lasers, bipods, rail sections, and grips designed for M-LOK. It's a popular, lightweight alternative to full-length rail systems and gives you plenty of mounting points without excess weight.
The Guardian ships with a 30-round magazine and is ready to shoot once you mount an optic and add ammunition. The rifle itself, magazine, and stock configuration are all included.
Yes. The 16-inch carbine length, 5.56 NATO caliber, and modular design make it versatile for range training, sport competition, and hunting applications where legal. The adjustable stock and M-LOK accessory points let you tailor it to your specific use case.
SKU: 120911575 • Weight: 9.83oz
Availability: In Stock
The Alex Pro Firearms Guardian 5.56 NATO M4 rifle in MultiCam Green is a modern, modular AR-platform carbine built for hunters, sport shooters, and tactical enthusiasts who want reliable performance without the premium price tag. This 16-inch barreled rifle combines proven mil-spec components with practical features that make it equally at home on the range, in the field, or as a home-defense platform. The Guardian ships with a 30-round magazine and comes ready to mount optics on its flat-top receiver.
The 16-inch 4150 Chromoly steel barrel is hard-coat anodized for corrosion resistance and built to handle the rigors of regular shooting. Paired with a carbine-length gas system, it delivers the velocity and reliability you expect from a 5.56 NATO platform. The 15-inch M-LOK handguard gives you a modern interface for attaching lights, lasers, grips, or other accessories without the weight of traditional rail systems. The M4-style adjustable stock lets you dial in the fit for different shooting positions or gear configurations, while the A2 pistol grip provides a familiar, ergonomic control point.
The A2 flash hider tames muzzle rise and flash during rapid fire, and the standard M16 bolt carrier group ensures compatibility with most aftermarket parts and ammunition. MultiCam Green hydro-dipped finish blends well in varied terrain while resisting wear. This is a no-nonsense, configurable platform that rewards shooters who want to build their ideal setup over time.
| Caliber | 5.56 NATO |
| Barrel Length | 16 inches |
| Barrel Material | 4150 Chromoly steel, hard-coat anodized |
| Handguard | 15-inch M-LOK aluminum |
| Stock | M4 adjustable carbine stock |
| Grip | A2 pistol grip |
| Bolt Carrier Group | M16 style |
| Muzzle Device | A2 flash hider |
| Receiver | Flat-top Picatinny rail |
| Included Magazine | 30-round capacity |
| Finish | MultiCam Green |
The Guardian features a flat-top Picatinny rail receiver, so it's compatible with any standard Picatinny-mount optic—red dots, magnified scopes, prisms, and tube-style sight systems all work. Mount height depends on your rail system and optic, but the receiver itself accepts any standard AR accessory.
Yes. The 15-inch M-LOK handguard uses the M-LOK standard, so you can attach lights, lasers, bipods, rail sections, and grips designed for M-LOK. It's a popular, lightweight alternative to full-length rail systems and gives you plenty of mounting points without excess weight.
The Guardian ships with a 30-round magazine and is ready to shoot once you mount an optic and add ammunition. The rifle itself, magazine, and stock configuration are all included.
Yes. The 16-inch carbine length, 5.56 NATO caliber, and modular design make it versatile for range training, sport competition, and hunting applications where legal. The adjustable stock and M-LOK accessory points let you tailor it to your specific use case.
SKU: 120911575 • Weight: 9.83oz