New Weatherby Vanguard Modular Chassis in 223 Rem with a 20" barrel. The Vanguard Modular Chassis was designed for the range. Weatherby guarantees Sub-MOA accuracy and it's easy to see why. Take accuracy to the next level with the Weatherby® VGD Modular Chassis Bolt-Action Rifle. The legendary Vanguard® action delivers tried and true reliability, and is mounted to an MDT® LSS-XL aluminum chassis for a rock-solid lock-up and lasting performance.