Savage Firearm’s Single Shot Adapter are designed for all Savage Axis & 110 models with factory flush fit magazines. The Single Shot Adaptor is to be used in place of the factory magazine to limit the rifle to being a single shot. Simply replaces the factory magazine” with no modifications to the rifle needed” a true dop in accessory. Short action configurations are for use with 350 Legend” 308 Winchester” 6.5 Creedmoor” 300 Blackout and other short action cartridges. The Non latch model is for all 110 models with the magazine latch on the rifle including 110 Storm” 110 High Country & 110 Timberline.