4350 was a popular powder for the 303 for years.

There have been at least three powders that came along that have added to the cartridge's versatility. Re 15, Varget and Re 17.

You can never have too many choices! 🙃

Safe Shooting!
Steve Redgwell
www.303british.com

Get your facts first, then you can distort them as you please. - Mark Twain
Member - Professional Outdoor Media Association of Canada
[Linked Image from i.imgur.com]