The M4-22 REDLINE is a joint collaboration between Tippmann Arms and Tandemkross with a goal to offer the M4-22 in a competition ready configuration. The M4-22 REDLINE features the TK "Game Changer PRO" Compensator and the ultra-comfortable TK AR15 "hiveGrips", 16" red Fluted barrel, and red accents. The M4-22 REDLINE a premium .22 caliber semi-automatic tactical rimfire rifle with aluminum upper and lower receivers and all the features of a true M4. The M4-22 REDLINE is largely mil-spec compatible and will accept most AR15 stocks, handguards, and sights. The M4-22 REDLINE has the look, feel and controls of a true M4. Features and Specifications * 16" Fluted 4150 Solid Steel Barrel with Red Duracoat Finish * TK AR15 "hiveGrips" Red/Black * TK "Game Changer PRO" Compensator * 9" Composite Free Float Handguard * Nickel Plated Bolt * Semi-Automatic * Aluminum Upper and Lower Receiver * 10 RND Magazine * Functional Forward Assist * Bolt Catch * Charging Handle * Adjustable Flip Up Sights * Shell Deflector * 4 1/2 Pound Trigger Pull * Ejection Port Cover * Adjustable Stock * 1/2 x 28 Threaded Barrel * Popular AR Platform * Easy Push Pin Disassembly * Full Length Top Picatinny Rail * 2-Position, Receiver Mounted Safety Lever * Ambidextrous Sling Adapter Plate * Mil-Spec FCG * Allows For Drop in Trigger Assemblies * Standard "bicycle lock" Storage Safety * Compatible With Most Standard AR15 Components and Accessories * Owner's Manual