Hodgdon Reloading has data on H4895 for 85gr and 100gr bullets in a 264 Win Mag. The special thing about H4895 powder is Hodgdon has a specific downloading guide for it, copied here:
HODGDON® H4895® REDUCED RIFLE LOADS For Youth Hunting, Informal Target, and Plinking __________________________________________________________________________
Hodgdon Powder Company has found that H4895 can be loaded to reduced levels. H4895 was chosen because it is the slowest burning propellant that ignites uniformly in reduced charges. To create reduced loads, the 60% formula is recommended.
Find the H4895 load in the Reloading Data Center for your caliber and bullet. Take the maximum H4895 charge listed and multiply by 60% (.6). The load may be adjusted up from there to achieve the desired velocity and accuracy. This works only where H4895 is listed.
DO NOT use in a cartridge where H4895 is not shown.
Example: 30-06 cartridge with 125 gr. Sierra SP bullet. Max load shown in the Reloading Data Center with H4895 is 53.7 grains. 53.7 X .6 = 32.2 grains. The shooter begins with this load, and may work up from there to obtain the desired velocity and accuracy for his reduced load.
Call Hodgdon Powder Company if additional information is needed, 913-362-9455.
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264 Win Mag
Winchester Case
1:8.000 twist
Wincheser LRM Primer
Trim: 2.490"
85gr Sierra HP
Starting:
COL - 3.100"
50.5gr
3,264 FPS
44,600 CUP
MAX:
55.0gr
3,625 FPS
52,900 CUP
100gr Hornady Spire Point
Starting:
COL - 3.230"
49.0gr
2,970 FPS
44,100 CUP
MAX:
53.0gr
3,405 FPS
54,200 CUP
Recoil using a 60% charge would be almost half of the recoil of a full power round. I make 125gr reduced recoil 30-06 loads with this method.