I own a Sako 85 Synthetic/Stainless .270 calibre rifle, bought new circa 2010 from the Glenluce Gunroom, Dumfries and Galloway. I am more than pleased with how the rifle performs and it has accounted for a good number of roe, red, fallow and fox. Recently the rubber has started to perish and blister on the stock and fore-end, resulting in an area 'peeling', revealing the laminate beneath.
The main areas involved were where the user's cheek and chin would be in contact with the stock and where the hand would grip the fore-end.
Having never used or permitted any chemicals anywhere near the rifle and always ensuring that it was correctly dried following use when wet, (and also my lack of use of aftershaves or moisturising products ahem!) both myself and Stewart Stirling, Glenluce Gunroom were baffled and surprised that the synthetic finish would behave in such a manner, having never seen the likes before.
The result of such blistering and peeling of the rubber finish exposed the 'shiny' laminate beneath which greatly reduced the overall tactile grip of the rubber, and ultimately the security of the rifle when handling same.
I can only commend and congratulate Glenluce Gunroom and GMK for their overall quality of service, with GMK professionally replacing the stock of my rifle without problem, in no more than two weeks.
I post this thread for the information of other members who may have experienced a similar defect with the finish of the Sako 85 Synthetic, or can give an explanation as to the cause of same.