The Tippmann Arms M4-22 16" Magnum Elite .22 WMR 15 Round is a premium semi-automatic tactical rimfire rifle designed for competition, training, and backyard shooting. Its aluminum upper and lower receivers provide durability and reliability. The rifle features a 16" barrel with a 1:16" twist rate, making it suitable for various types of ammunition. The M4-22 Magnum Elite has a mil-spec compatible design, allowing users to easily install AR15 stocks, handguards, and sights. This rifle is perfect for those who want a high-performance rimfire rifle with the look and feel of a true M4. We offer fast shipping on this product, so you can get started with your shooting experience as soon as possible. Key Benefits and Features: Brand: Tippmann Arms Model: M4-22 Magnum Elite Caliber: 22 WMR Action: Semi-Auto Barrel Length: 16" Twist: 1:16" Sights: Flip Up Thread Pattern: 1/2"x28 OAL: 32" - 35.25" Weight: 6 lbs