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Beretta ARX100 556 NATO 16" Barrel 30 Round Magazine JXR11B00

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ARX100: Today's Ultimate Tactical Rifle

The ARX100 was engineered with one purpose in mind: to be today’s best tactical semi-auto rifle. It takes the concept of a modular rifle to futuristic levels while maintaining an absolutely simple operation that makes it ultra-reliable. With ambidextrous controls, easily-replaceable barrel and virtually endless possibilities for customization and accessorization, the ARX100 is adaptable to any firing scenario and is perfect for today’s most demanding tactical shooter.

Ships complete with (1) 30-round magazine.


Meet the ARX100 from Beretta- today's ultimate tactical rifle. Ultra-reliable simple operation combined with futuristic modularity come together in this adaptable rifle that is perfect the most demanding tactical shooters. With ambidextrous controls, an easily-replaceable barrel and virtually endless possibilities for customization and accessorization, the ARX100 is adaptable to any firing scenario.

Well balanced and light, the Beretta ARX100 features polymer upper and lower receivers in an ergonomic shell. This adaption of the successful ARX 160 military rifle is chambered for .223 or 5.56 NATO and uses NATO standard magazines. 

Ultimate Reliability and Ease of Maintenance

The ARX100 features a constant contact/short-stroke gas piston system that makes it feed and fire under the most unforgiving conditions. The lightweight technopolymer receiver allows for reliable operation with virtually no lubricants. To make maintenance easy and trouble-free, this rifle has no pins and can be completely disassembled in a matter of seconds with no tools at all.

Ultimate Versatility

This rifle was designed to be completely ambidextrous, and all the critical controls on it may be operated right- or left-handed. These include the 2-position safety, the magazine release, the bolt release and charging handle and the case-ejection selector, which determines whether spent brass is ejected to the right or left. The flip-up backup sights that come standard on the ARX100 are also versatile, offering an easily-adjustable diopter system ranged from 100 to 800 yards. The barrel is also easily replaceable in seconds, making it possible to use different lengths and calibers without any tools required. Lastly, the folding stock is adjustable for length of pull at the touch of a button, using a simple and rugged telescopic construction.

Ultimate Accessorization

The possibilities for accessorization on the ARX100 are limited only by the user’s imagination. It comes out of the box with a full-length Picatinny rail on top, which is perfect for attaching a variety of optics and other sighting systems. It also has Picatinny rails on both sides of and under the fore-end, which offer countless possibilities for easily adding lighting systems and other tactical devices. 



  • Action Semi-auto
  • Barrel length (mm) 406
  • Barrel length (in) 16
  • Caliber 5.56
  • Magazine 30
  • Overall height (mm) 215
  • Overall height (in) 8.5
  • Overall length (mm) 908
  • Overall length (in) 35.75
  • Overall width (mm) 70
  • Overall width (in) 2.75
  • Rate of twist 1/7
  • Sight radius (in) 15
  • Sight radius (mm) 381
  • Sights Removable/Adjustable
  • Weight unloaded (g) 3080
  • Weight unloaded (OZ) 108.8 (LB) 6.8
Country of Manufacture Italy
License Requirement FFL
Manufacturer Beretta
Mfg. Part Number JXR11B00
UPC 082442686196
Caliber/Gauge .223 / 5.56
Action Semi Automatic
Barrel Length 16
Condition New
Categories: Semi Auto Rifles
Condition: New
Manufacturer: Beretta
Model: ARX100
SKU: 82442686196
UPC: 82442686196
Vendor: Gunprime
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