Just to the rear of the Monsoon action, where it is bedded into the standard Monsoon stock, there is a square hole. Into that hole slides the bolt when pulled back.
Now this might be a nice hole for applying a little lube every now and again, but should there be a cover over it?
Someone suggested there be a dust cover or similar, but as I bought this Monsoon 2nd hand, there hasn't been one.
Has anyone got an exploded parts diagram of this beast?