7waetherby??

Contact Barnes but I think that you will find that the 4350s are too fast for the 110 TTSX. You either need to use a slightly heavier bullet or find a powder that runs between XMR3100 through H4831, RL22, 7828 up to Ramshot Magnum. Load data is located here... http://www.barnesbullets.com/wp-content/uploads/2007/02/7mmWeatherbyMagnumWeb.pdf

Poor choice of bullet IMO. SD is crap, BC is crap. The only thing it does well in that cartridge is run out the barrel fast and burn powder. Won't retain energy of the long haul worth a damn. Will drift in the wind like a helium balloon and won't shoot as flat as you'll want.
 
Ramshot Magnum that is one of the slowest powders. One on the 4831's would do. No 110 grain data on Hodgdon's site. Or Reloader's Nest.
 
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