Tippmann Arms M4 Pro MSR Features The Tippmann Arms M4 Pro MSR runs on a blowback operating system tuned to cycle reliably with standard .22 LR ammunition giving shooters an economical way to train on genuine M4 controls and manual of arms. Because the rifle is largely mil-spec compatible it accepts most AR15 stocks handguards and sights allowing owners to customize the rifle with parts already familiar from the centerfire AR platform. A single-stage trigger provides a clean predictable break for consistent shot placement during range sessions or informal competition. Front and rear flip-up sights ship standard giving the rifle usable iron sights before any optic is added. Aluminum upper and lower receivers keep total weight down to roughly 5 pounds while preserving the durability shooters expect from a true M4 pattern rifle finished in a matte black coating that resists glare. The M-LOK compatible handguard provides mounting points for lights foregrips or bipods and the top Picatinny rail offers a continuous surface for a red dot or magnified optic. An adjustable CAR15-style polymer stock allows shooters to set their preferred length of pull and the Black Gen2 grip completes a familiar ergonomic package. This combination of light weight mil-spec compatibility and affordable rimfire ammunition makes the M4 Pro MSR a practical choice for frequent range trips. Tippmann Arms M4 Pro Specifications Brand: Tippmann Arms Model: M4 Pro Type: Rimfire Rifle Caliber: .22 LR Action: Semi-Auto Blowback Barrel Length: 16 Barrel Finish: Black Parkerized Twist Rate: 1:16 Muzzle Threads: 1/2x28 Capacity: 25+1 Receiver Material: Aluminum Receiver Finish: Matte Black Handguard: M-LOK Stock: Adjustable CAR15 Polymer Grip: Black Gen2 Sights: Flip Up Front and Rear Weight: 5.03 lbs Available At: GrabAGun