The Fortis Bag Rider is a low-friction accessory that fits the fixed cradle and bag versions of the Fortis rear rest, helping your rifle track more consistently across the rear shooting bag with no fouling.Machined from low-friction acetal and polished to 1000 grit, the cylindrical rider gives three points of contact — one on each side of the bag and one on the base — for smoother, more repeatable tracking than resting the stock directly on the bag.- 25mm diameter, 40mm Picatinny connector, 90mm long- Attaches to and removes from a Picatinny rail easily- Improves consistency of rifle placement in the rear rest- Compatible with Fortis fixed cradle and bag rear rest models