Originally Posted by
robs5230
In my experience, the 99 has a powerplant far more suited to sub12 than the 95 or 80.
The 95 is designed to run at around 16ftlb, the 80 at 18-20ftlb
The 95 can run well at sub12, but it's tuning complications are well documented on here.
The 80 is more difficult to get right than the 95.
Both can be done, and very well, but you don't need a sledgehammer to crack a nut.
The 99 therefore is far easier to tune, as with the larger capacity rifles, you're fighting their power potential.
The 99, does however need some work to prevent galling. If left unattended, the galling can make a proper mess of the cocking slot.
In terms of potential muzzle energy, the 99, even in .177 will make the upper limit of 12ftlb. My preference is to run a .177 at 10.5 to 11 with a 7.9g pellet.
My current 99 is possibly the best break barrel springer that I've ever owned.
Its running a Vortek kit with Vortek seal, and is producing a max 5fps spread over the skan, with the lowest felt recoil I've had on a break barrel.
A quick, yet soft shot cycle is produced, which really aids consistent shooting.
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