You will require the dipoter muzzle base for you rifle:
S211 – Air Arms s200 / CZ200
s459S – Air Arms s300, s310, s400, s410, s410 TDR
For the MPR please contact us – there are a lot of versions available

Designed to work with the front and rear sight here.

Picture shows for an s200, other models are very similar with slightly different base.