Alternative replacement ramrod bases that can either be glued, or secured with the same 4-40 hex nuts and screws included with the blaster. Ram2od has two holes
...Plus that can be tapped or have the 4-40 screws forced into them to roll a thread. So that provides an alternative method for attaching the bolt arms that might prove to be more durable.
May require adhesive or sealant on the backside between the print and aluminum tubing to get a perfect seal.
