I have a factory 390(will also fit 391's) 12 gauge stock that has a G-Squared recoil system installed that i am selling. The dimensions with a dx 65 drop spacer installed are 1 1/2" x 1 3/4" x 2 3/16" drop at the pad. It is a monte carlo set up and can be adjusted up 3/16" with raising the comb plus more with the higher shims. It has a lop of 14 7/8" with a 1" kick eez pad installed. The comb is four way adjustable. The stock is typical 390 factory wood nothing fancy. It has a few small handeling marks but no cracks or repairs. The system itself is over 1300.00 installed plus the cost of the wood. I will sell this complete for basically half price 800.00 plus 10.00 shipping. It has been inspected by Mike and he says it is ready to go and needs nothing.