The Grayboe Flagstaff Rifle Stock System is Universal Mini Chassis compatible. Shoot multiple brands of rifles and calibers out of the same stock. Short or long action, Remington or Howa, it doesn't matter. They all fit the stock the same. If you have a Grayboe Mini Chassis for it, it fits. The Flagstaff is molded from impact-resistant polymer, lightweight yet rugged. Trusted in military and industrial applications. It's weather resistant, trail tested and built to perform season after season. FeaturesBolt in multiple rifles and calibers using the Universal Mini Chassis (UMC) system into the Flagstaff stock.Fits all AICS magazines, no bottom metal required. Mags click right into the belly of the stock. Use standard short AICS mags and 3.850" length AICS mags for long actions calibers.Takes accessories that attach to a MLOK rail, ie picatinny rail, arca rail, etc.Traditional ergonomics and feel. Quick target acquisition.Thumbrest and trigger finger groove on pistol grip, keeping cons...