AA1430 The Sparta stock conversion offers the owners of Ruger Mini-14/Mini-30/6.8 Ranch rifles the convenience of a pistol grip stock"" with an adjustable length-of-pull"" and adjustable cheek-riser. Equipped with a full-length"" aluminum top- rail designed to M1913 specifications"" it offers a virtually limitless ability to accommodate various ""iron"" and ""glass"" sighting systems. Constructed from a proprietary"" Zytel-based"" carbon-fiber filled"" polymer"" the stock is impervious to all common firearm solvents and lubricants. The stock is equipped with four (4) hard points for push-button"" quick-detach sling-swivels"" and has a storage compartment in the pistol grip. The fore-end has pre-molded hard-points for a rail at the six o'clock position requiring only minor drilling to accommodate the mounting hardware (rail and mounting hardware not included).