IMR 4955

[jakeSCH]

Tons of load data on IMR's website

IMR Enduron® 4955

IMR Enduron 4955 is a versatile, match-grade propellant with a mid-range burn speed that is in between IMR4451 and IMR7977. It is an extruded powder and provides top performance for big game cartridges like 25-06, 270 Winchester, 280 Remington and 300 Win Mag, among other cartridges. The main...

shop.hodgdon.com

I've used it in 280ai with 143HH and my 338 RUM for 213HH.

 

[meatyrem]

Picked some up but not finding any load data. The standard answer seems to be "close" to H4831. Surely something is published somewhere??

The latest hodgdon reloading manual has it

 

[Fubarredz]

I use it in my 6.5creed and it produces very small 3-shot bugholes to single hole groups. Most temp stable powder I've ever used.
Lapua Brass
Fed 205m
Berger 135 classic hunter
IMR-4955 45.5gr's
24" 1:8 barrel plus supressor
2930fps