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 integral latch design is for use in all Axis” Axis II” 110 Apex & 110 Ultralite models.