that is the 1600 action, also 3000, 4000, 3100, 4100, depending on where it was sold and the stock configuration. Yours is the later model with alloy floorplate/triggerguard, and you need to specify that as well.

any stock that can be inletted for a standard large ring can be inletted for yours, mcMillan has the program for it.

as mentioned above,it can also be bedded into any synthetic stock for a large ring 98, you only need to fill in around the receiver ring and relieve for the right hand side safety, as well as fill the inletting for the 98 style bolt release lever and cut a small notch for the HVA bolt release.