Hodgdon Powder Company · Ball
Winchester 670
A medium rifle powder at burn-rate rank #57 of 90, listed for 3 cartridges in the reference.
- Manufacturer
- Winchester
- Grain shape
- Ball
- Burn rank
- #57
- Category
- Rifle Medium
- Temp sensitivity
- Moderate
- Application
- Rifle
- Origin
- —
- Status
- Discontinued
Burn-rate position
FastestSlowest
Typical cartridges
By cartridge
.30-06 Springfield also used: N110, Winchester 748, N530
.308 Winchester also used: N110, Shooters World Economy Rifle, Accurate 2230
.270 Winchester also used: Reload Swiss RS60, Winchester 760, S243
Similar burn rate
Supply & handling
- Shortage-prone
- No
- Flash-suppressed
- No
About this powder
Ball powder positioned between Winchester 748 and Winchester 760 in burn rate. Used primarily in .30-06 Springfield and .308 Winchester during the era when Winchester had a more complete spherical powder line. Replaced by Winchester 760 for most applications.