For Newer Savage Long action 110(110 thru 116 Series) Center feed Rifles, Use this DBM System. It allows use of AI 300 Win Mag or 338 Lapua magazines. bolt Release should be on top right side of action. If it is located in front of the trigger guard, use the Low Bolt Release Long action Savage DBM in our store. Center feed rifles have the original factory mag box mounted in the stock, so if there's a factory mag box attached to your action, use the Stagger Feed DBM in our store. 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.