Savage 110 series C/J Older Savage Mid 1980's rifles...This fits Rifles that have bolt screw spacing dimensions of 4.525". Uses AICS 223 or 308 Mags. Boyd's Stocks makes a stock for these rifles and we can also use Choate Tactical stocks with them as well. Install is required, and we can provide inletting and install services as well. Installs are free at CDiPrecision, so click Install option and send your rifle in for install. Easy and fast. 3 week turnaround or faster. US Addresses only. Mags Must be purchased Separately.