The TIppmann M4-22 PRO Compact Pistol is a premium .22 caliber semi-automatic AR styled pistol with aluminum upper and lower receivers and all the features of a true M4 pistol. The PRO Pistol features a 11 inch barrel, 9" Composite MLok handguard, Compact Bolt System, Rear Pic Rail Adapter and weighs only 3.9 lbs. Features9" Composite MLoK Handguard Rear Pic Rail AdapterNickel Plated Compact BoltFunctional Forward Assist ButtonFull Length Top Picatinny RailAdjustable Flip Up SightsShell Deflector1/2 x 28 Threaded A2 Birdcage4 1/2 Pound Trigger PullFully Functional Bolt Dust CoverMil-Spec FCGGen2 GripCompatible With Most Standard AR15 Components and Accessories