The Grayboe Core 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. Perfectly engineered for long range precision and competition, the Grayboe Core is the ultimate fusion of durability and accuracy. FeaturesBolt in multiple rifles and calibers using the Universal Mini Chassis (UMC) system into the Core 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.Full length MLOK rail on bottom of forend with 2 QD sling attachment points.Aluminum 2 round quiver compatible, bolts right to the side of the stock under ejection port.Vertical and horizontal cheek piece adjustability for perfect line of sight down your scope. Adjustable length of pull ...