ok folks, here it is...
Pressure tested with the 350 with TAC yesterday.

Results:
Conditions:
4 March 2012
Elevation ~138' ASL
Temp 5.2 Deg C
RH ~75%
Atm Pressure ~1001.0
Overcast
Wind Nil
Chronograph ProChrono Digital

Load Data:
Bullet 225 Nosler Partition
Case Remington
Primer CCI #34
Powder Ramshot TAC
Crimp None

55 grains: 2496 fps
56 grains: 2487 fps
57 grains: 2599 fps
58 grains: 2578 fps
59 grains: 2650 fps Pressure signs at 59 grains. Sticky extraction and shine on case head as seen in photo under "350 and R".
60 grains: 2699 fps Very clear pressure signs at 60 grains. Sticky extraction and shine on case head as seen in photo under "MAG".

[Linked Image]

So, over the next couple weeks I plan to run the Reloader 15 for accuracy. My plan is to run ladder testing at 300 yards from my max pressure tested load of 61 grains down to about 58 grains and see what I get. These 225 Nosler partitions ain't cheap, but it sure is fun shooting them through that rifle