Thanks Bill, I really have to get a copy of Quickload great information. Looks like as others have noted a slower powder seems to be the ticket. If I can't get 7828 I'll give the 780 a whirl it is a bit faster than 7828. I'll reserve the 4350 for my 243.

Quote Originally Posted by BillPa View Post
Bullet Type = .284 160 GR AB SP NOSLER Bullet Weight = 160.0 grains
Bullet Diameter = 0.284 in Bullet Length = 1.410 in
Bullet BC = 0.531 Sectional Density = 0.283
Case Type = 7mm Rem Mag. Case Length = 2.500 in
Full Case Capacity = 81.585 grains water Est. Overall Cartridge Length = 3.290 in
Net Case Capacity = 71.672 grains water Bullet Seating Depth = 0.620 in
Rifle Type = Barrel Length = 24.0 in
Effective Barrel Length = 22.12 in Barrel/Case Volume Ratio = 5.9
Cartridge Temperature = 70.0 °F
__________________________________________________ ________________________________

Powder: IMR 4350
Calculated Powder Charge = 58.6 grains
Load Density = 81.7%
Charge/Bullet Weight Ratio = 0.366
Estimated Muzzle Velocity = 2731 ft/sec
Estimated Chamber Pressure = 43028 CUP
__________________________________________________ ________________________________

WARNING: For starting loads reduce calculated powder charge by at least 10%.


Load Table
-------------------------------------------------------------------------------------

(%) (grains) Wt. Ratio (ft/sec) (CUP)
-------------------------------------------------------------------------------------
75 53.8 0.336 2507 35979 OK
80 57.3 0.358 2671 41119 OK
85 60.9 0.381 2838 46406 OK
90 64.5 0.403 3006 51692 High Pressure
95 68.1 0.426 3174 56979 High Pressure
100 71.7 0.448 3342 62266 High Pressure


Bill