Direct fit bigger bottle for bsa r10 mk2?

Is there a direct fit bigger bottle for the bsa r10? I don't mind if I have to mod the stock a little I just don't want to have to change the fitting arround unless someone has a direct link to where to get them and what I'd need to do this mod. I love my r10 but would like to get a higher shot count. I just received my wolf moderator and love it. So now to the next mod
 
I just installed a RAW 480cc carbon fiber bottle on my .177 R10. I ordered online and they called the next day to run the card. It arrived USPS priority 3 days later from across the country. Opening up the stock was no big deal, I also had to chamfer the "toast rack" slightly but no big deal. maybe 10 minutes of work. In my opinion the rifle looks better with the larger bottle too. Doubled the shot count.
 
AR and Tri_---Sorry I missed that, yes it was a direct fit. Although there is a difference in appearance. So I checked the thread diameter,pitch and length of fitting before installing it. I aired mine up slowly (to 1000psi) and let it sit a few minutes to check for leaks. Then 2k psi ,paused and then filled to 3k and tried it- no issues or leaks. I have since had it off again to check the oring and threads= no issues. $269 shipped.