going to convert a factory avenger x from a 22 inch barrle to 15 inch and from 230cc 2 130 cc basic takeing a new rifle un fired puting on shorter barrle and tank any one intersted in a 25 cal barrle asembley from a brand new avenger x 22.8 inchs long and the 230cc air tube if some one wounted to buy these 2 parts send me a pm