A SAK sound moderator that costs £40 would be more than suitable for an air rifle.
It`s not until you get up to full bore shooting you need to...
I take it the ground underneath would need to be level?
You do get blocks which can be height adjusted for a perfect level.
Just use offcuts of joists or posts as legs and attach them once you have your level.
That would be fine.
You could also use offcuts of joists to keep the frame off the slabs as well.
Air arms s410 .177, super accurate and 10 shot magazine.
I have a rapid mk2 FAC that I use for bunnies and ferals.
I done my shed in creocote and it looks really nice , but does stink.
I bought no nonsense decking oil from screwfix for my decking and it look...
I have the gold foil backed foam underlay for my laminate on concrete floors and It`s very good.
You could try a little heat from a hairdryer and brush when its a bit softer.
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