Dimension is a bolt-action platform you build on, season after season. no gunsmith required. start by purchasing one complete Dimension platform rifle in your favorite caliber, then choose a second barrel in the next caliber you want, as well as a bolt that matches the same letter series as the barrel: A, B, C or D. if both barrels are in the same family, you can use the same bolt. Specifications: - Action: Bolt - Handed: Left - Caliber: 22-250 Remington - Barrel Length: 24" - Capacity: 3 + 1 - Trigger: Adjustable - Length: 43.75" - Weight: 7 lbs - Stock: Black Composite Stock - Finish: Black