The OEM stock IMO was poorly designed. It never was secure and cracked when I tried to tighten it enough so it wouldn't rotate or tilt under normal use. So I printed one with a bag rider that is much better than the OEM one. I have 2 threaded inserts on the backside to mount a buttpad. I going to try to print one with TPU filament. This mounts solid with zero detectable movement. It could be refined further shortening the bag rider and adding cutouts to reduce the weight.
