The ARX100 is the ultimate evolution of the modern sporting rifle. Designed for ease of use and ultimate reliability, the ARX100's feature set is unparalleled. The cold hammer forged barrel can be removed and replaced with various lengths and calibers in a matter of seconds. Case ejection can be switched from right to left with the simple push of a button. All of the critical controls on the ARX100 are completely ambidextrous. With a constant contact piston system, the ARX100 can easily feed and fire under the most unforgiving conditions. The lightweight, technopolymer receiver allows for reliable operation with virtually no lubricant. To make maintenance easy, the ARX100 has no pins and can be completely disassembled with no tools at all. Simplicity, flexibility, reliability. The ARX100 is the next step in modern sporting rifle evolution.