The M4-22 LTE is a premium .22 caliber semi-automatic tactical rimfire rifle with aluminum upper and lower receivers and all the features of a true M4. 16" 4150 Solid Steel Barrel with Parkerized Finish The M4-22 LTE is largely mil-spec compatible and will accept most AR15 stocks, handguards and sights. The M4-22 has the look, feel and controls of a true M4 and is a perfect platform for training applications or backyard plinking. Functional Forward Assist Bolt Catch Charging Handle Adjustable Flip-Up Sights Shell Deflector 4 1/2 Pound Trigger Pull Ejection Port Cover Adjustable Stock Popular AR Platform Easy Push Pin Disassembly Full Length Top Picatinny Rail 2-Position, Receiver Mounted Safety Lever Ambidextrous Sling Adapter Plate Allows For Drop in Trigger Assemblies Compatible With Most Standard AR15 Components and Accessories