Tempting, as I have a spare action, Nick, but my airgun tinkering future is still a bit uncertain at present.
It's working fine and has adjustable mounts which fixed the dovetail alignment issue. I've just never bonded with it as I never found out why it was out of line in the first place. I might leave it with you for a while anyway if I don't sell it.
Finally got round to trying 5.52 rs jumbo express in the Superstar..... Tonight we will be mainly collapsing coils. 11.9 average over 5 shots. Up from 10.2 with domes