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JOHN COOK
07-29-2015, 11:19
I am at a point to load a 100 .270 cal. and best information I have is to use H 4831. I have a small amount but don't want to use it. I have a full can of H 4895 any suggestions would be appreciated. Using 130 gr. bullet. Also have a metal can of IMR 4350, still factory sealed, use maybe ? or not. ..

Thanks

john

barretcreek
07-29-2015, 11:43
4350. 4895 way too fast for full power loads.

Parashooter
07-29-2015, 12:58
IMR's maximum load data shows 4895 as a viable choice capable of velocity reasonably close to that produced by their slower powders. IMR 4350 would be closer to optimal.

.270 WINCHESTER
REM. CASE; REM. 9 1/2 PR
NOSLER 130 GR. PARTITION
.277" DIA.; 24" BBL.; 3.250" C.O.L.
Powder Charge Vel. C.U.P
IMR 4064 48.0 3030 51200
IMR 4895 46.0 2945 52000
IMR 4320 45.5 2880 51400
IMR 4350 55.0 3075 51100
IMR 4831 56.5 3080 51200