Extension cap for returning shotgun to factory capacity.
- Attaches to MXT extension nut (not included)
- Facilitates attaching a sling to the magazine cap
- Available with QD Swivel Cup (push button QD swivel not included) or plain plug configuration
- May result in +1 capacity gain over factory configuration depending on shotgun model
NOTE: May require fabrication of a new magazine plug or modification of an existing magazine plug to restrict magazine to comply with Federal law regarding 2-round magazine capacity limit for hunting migratory waterfowl