IBS Sand Bag Top Block They mount with the original

They mount with the original shoulder bolts

the adapter has 1" of adjustment and the removable extension has another inch of adjustment so you can get exactly the length you want for any rifle length

T3 Felt-Lined Blocks – Patented T3 design reduces counter-clockwise rotation under recoil and dampens stock harmonics (especially effective for rimfire rifles)

We now stock the Edgewood sand bags that fit our IBS top

or personal preferences

IBS Sand Bag Top Block They mount with the originalThe IBS top uses the late model Farley sand bags to make the Rodzilla 5 Axis top legal for benchrest competition. Remove either end by pushing out a dowel pin and slide your sandbag in and replace the adjustable end. We maintain a snug fit with the sides of the bag by providing a slot for the slightly wider base of the bag to slide into instead of pushing down from the top. Edgewood and ProtecTormodel makes a one piece bag in 3 widths. Edqewood also