The M4-22 PRO is 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 PRO 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.
 
Features and Specifications
Composite Free Float Handguard
16” 4150 Solid Steel Barrel with Parkerized Finish
Nickel Plated Bolt
Gen2 Grip
Semi-Automatic
Aluminum Upper and Lower Receiver
New 25 RND Magazine
Functional Forward Assist
Bolt Catch
Charging Handle
Adjustable Flip Up Sights
Shell Deflector
4 ½ Pound Trigger Pull
Ejection Port Cover
Adjustable Stock
1/2 x 28 Threaded A2 Birdcage
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