The Tippmann Arms M4-22 Pro Pistol equipped with the T5 Arm Brace is a high-quality .22 caliber semi-automatic AR-style pistol. It boasts aluminum upper and lower receivers and incorporates all the essential features of an authentic M4 pistol. The PRO Pistol is outfitted with a T5 Arm Brace, an 11-inch barrel, a 9-inch composite M-Lok handguard, and maintains a lightweight profile at just 4.1 lbs.