The Faxon Ion Rifle is the most affordable production ultralight AR15 on the market. Weighing in at just under 5 lbs, the Ion Ultralight AR15 is the perfect choice for any customer looking to step into the competition world, or for those who just enjoy the soft recoil of a finely tuned lightweight rifle. As part of Faxon's Summit Line, the Ion comes from the factory with a whole slew of out-of-the-box upgrades, including a tuned gas system, Gunner lightweight bolt carrier group, ambi charging handle & safety selector, Hiperfire EDTDM trigger, and more! Faxon's Ion Ultralight Rifle (FX5500): 14.5 556 Pencil Barrel w/ Welded 3-Port Brake - Meets NFA 16 minimum barrel length requirement Enhanced Forged Receiver Set w/ Tensioning Screw Gunner Lightweight BCG w/ Superfinish 13 M-LOK Carbon Fiber Handguard Multi Position Adjustable Gas Block Hiperfire EDTDM Single Stage Trigger Radian Raptor LT Ambi Charging Radian Talon Ambi 45/90 Degree Safety Selector MFT Minimalist Stock Magpul MOE(R) Grip Mid Length Gas System Complete Rifle Weight: 4.95 lbs Each rifle will be individually test fired & tuned at the factory with Federal American Eagle 55gr 5.56 Nato ammunition.