The Tippmann Arms M4-22 ELITE ISS Rifle features a whisper-quiet 16″ Integrally Suppressed Barrel that boasts an impressive 26dB noise reduction to a safe 115dB reading at the muzzle. The ELITE ISS Rifle 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 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 the perfect platform for competition and training applications or backyard plinking.