I put one on my 187 series Mini and found the accuracy was not as good as it was with the wood stock.
Bedding the action with Brownells Steel Bed (holds up to the pounding better than any other bedding compound) and then bedding the gas block brought back the accuracy.
Yours may shoot just as well as it did in the factory stock, but if not, bedding will restore the accuracy.
They really are a comfortable stock to shoot with all the adjustments and the rails make it easy to put a light or lazer on it if you like them.
Look pretty darn good too.