All I've done with mine is a strip, polish and did a piston slieve which seem to have improved it in my eyes. Maybe it's because it's a wood stocked model so less agricultural on firing but certainly one of the first rifles I pick up for a plink.
Chris
Falcon Raptor (FN12) Lighthunter - Walnut FX Cutlas - EB XVI - HW35 'Karbine' - BSA Airsporter MK4 - Webley Mk III - Relum Tornado - FWB Sport 127 Deluxe - Crosman 1322 custom - Sussex Armoury Jackal - BSA Superstar - Logun Eagle (All .22) and HW80 in .25