Looking for powder recommendations for a 25-06 X-Bolt 1-10" twist. I want to try reloading some 100 grain Speer BTSP and was wondering if anyone had any input on what powder to start with. I have some Varget, IMR 4350, IMR 4831 & IMR 7828 to play with.
Powder recommendations
- Thread starter Big Game
- Start date
A decade or so ago some knowledgeable people in the firearms industry got their heads together and made a rather obvious statement about the classification of the 25-06 and similar bore capacity chamberings.
They felt then and still do that such cartridges are on the low end of the MAGNUM cartridge parameters.
I have found in the past that H4831 was OK but IMR 7828 or IMR 7828ssc were much better.
Varget, 4350 and H4831 are very similar in burn rate. Not identical though.
IMR 7828ssc has a slower burn rate and extends the pressure curve further out into the bore. Some claim this decreases barrel life but there is a decent trade off in accuracy and increased velocity.
When using such slow powders, I recommend use of magnum primers. Your choice on that though.
They felt then and still do that such cartridges are on the low end of the MAGNUM cartridge parameters.
I have found in the past that H4831 was OK but IMR 7828 or IMR 7828ssc were much better.
Varget, 4350 and H4831 are very similar in burn rate. Not identical though.
IMR 7828ssc has a slower burn rate and extends the pressure curve further out into the bore. Some claim this decreases barrel life but there is a decent trade off in accuracy and increased velocity.
When using such slow powders, I recommend use of magnum primers. Your choice on that though.
- Location
- Calgary, AB
I had great results with Retumbo and the 115gr BT.
- Location
- Saskatchewan
In my 25-06, 100 grain bullets work well paired with 4350. 117-120 gr with 4831.
