Abstract: A butt stock conversion kit for converting a bolt-action rifle stock, where the butt stock conversion kit includes: an assault type stock, where the assault type stock includes a threaded end and an adjusting bolt; a bushing, where the bushing connects the butt stock to a receiving section of a bolt-action rifle; a grip plate where the grip plate receives a hand grip and the grip plate is positioned behind the trigger guard of the rifle; and a means to secure the grip plate on to the receiving section of the rifle. The means to secure the grip plate includes at least one bolt connecting the plate to the rifle. The receiving section of the rifle may include a threaded end to attach the bushing thereto. The rifle includes a cavity to receive the grip plate. The hand grip may also include an opening to receive the grip plate.