Is Winchester 670 good for .30-06 Springfield?

Winchester 670 is commonly listed for .30-06 Springfield (burn-rate rank #57). Other powders reloaders use for .30-06 Springfield include Winchester 748, N530, 5744. Verify charges against a published load manual.

Is Winchester 670 good for .308 Winchester?

Winchester 670 is commonly listed for .308 Winchester (burn-rate rank #57). Other powders reloaders use for .308 Winchester include Shooters World Economy Rifle, Accurate 2230, A1. Verify charges against a published load manual.

Is Winchester 670 good for .270 Winchester?

Winchester 670 is commonly listed for .270 Winchester (burn-rate rank #57). Other powders reloaders use for .270 Winchester include Reload Swiss RS60, Winchester 760, S243. Verify charges against a published load manual.

Winchester 670 Powder — Burn Rate, Substitutes & Typical Cartridges

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.

Winchester 670

Burn-rate position

Typical cartridges

By cartridge

Similar burn rate

Supply & handling

About this powder

Sources & provenance