Carlson's Sporting Clays Replacement Reducers for Remington Pro Bore Threaded Shotguns (12 cal.). The following contractions are available:
- Cylinder, bore 0.735 inches
- Skeet, 0.730 inch inside diameter
- Improved Cylinder, 0.725 inch bore
- Light Modified, 0.720 inch ID
- Modified, 0.715 inch inside diameter
- Improved Modified, 0.710 inch ID
- Full, 0.705 inch inside diameter
- Extra Full, 0.695 inch ID