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25-300 win mag reamer

If you don't find one have Manson grind a SAMMI 300wm into what you want. You'll have it in a couple weeks.
 
I would love this for one of the new berger bullets. It would shoot flat and hit hard. Dang it!! Now I need one.
I know right..

I dont know if they will handle the RPM but if they could rock out at 3450-3500+ WOW is all i can say..

and to me I dont care about over bore and barrel life.. those lines are used up!! 😁
 
I ran one years ago and it would send 100 nos bt 3875fps with 7828. but the reamer was borrowed :(

i want too do an 8 tw for the bergers and heavier hammers around 3600 hopefully .. may just end up doing a 257 STW
Faster than my current 27 3/4" Hart barrel chambered in 25-300WSM. It's a 10-twist. I can get 3,700fps with the 90gr Absolute Hammers, with good brass life. H4350 or H4831SC. I can get 3,800fps if I only want 3 firings on the Norma 270 WSM cases before primer pockets are trashed.

You were probably running higher pressures. Or had an exceptionally fast barrel.
 
I'm surprised they want 16 weeks for a regrind. Usually it's a couple weeks unless they are out of 300wm reamers. Why not do a 25-300PRC or 25-26 Nosler? The 25-26 Nosler would be within a few grains of a 257STW and a 25-300PRC would be similar to a 25-300wm without the belt. The 25-26 Nosler would be a easy one to reload with a 26 bushing die.
 
I'm surprised they want 16 weeks for a regrind. Usually it's a couple weeks unless they are out of 300wm reamers. Why not do a 25-300PRC or 25-26 Nosler? The 25-26 Nosler would be within a few grains of a 257STW and a 25-300PRC would be similar to a 25-300wm without the belt. The 25-26 Nosler would be a easy one to reload with a 26 bushing die.
you have those reamers??? 😁
 

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