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475 Turnbull

The 475 Turnbull rifle cartridge is the brainchild of the man with the same last name. Doug Turnbull has been the recognized leader in high quality firearms restoration for over 20 years. Doug has spent the last several years designing a cartridge for vintage lever action rifles, specifically the Model 1886 Winchester. Doug designed the cartridge for the lever action rifle because it didn't exist. Winchester tinkered with the 46 WCF idea but never followed through with the final development.


Almost 100 years later Doug Turnbull has picked up
where Winchester left off and finished the job.


Visit our 475 Turnbull Gallery.  

Showcasing various game harvested with the new 475 Turnbull.

A note from renowned outdoor writer Craig Boddington on the new 475 Turnbull.


Your 1886 .475 is magnificent.  Both the practice loads and the Barnes TSX group into a ragged hole at 50 yards (from standing rest, not bench rest), the Speer bullets about dead-on and the Barnes TSX an inch high.  See the photo below, perfect!! 

I've already told you I like the fit and finish; functioning is also smooth as silk.  What a pleasure.

Recoil is a "nothing."  Some years ago I acquired a Model 71 re-barreled to .450 Alaskan Ackley Improved.  It was the worst recoil machine I have ever fired, so violent that I couldn't keep the lever closed during recoil! Your 475 Turnbull is actually quite pleasant to shoot.

Many thanks,
Craig Boddington

Doug, I was scared holding my new .475 in my hands. I had never shot a large bore rifle before. I aimed at the yellow balloon, 65 yards away and squeezed... The balloon burst, I worked the lever and shot the second balloon at 40 yards, worked the lever and shot the oncoming balloon at 20 yards. My imaginary cape buffalo was dead and I found my new favorite rifle is my Turnbull .475! Excellent accuracy! In my opinion, mild recoil and what a joy to fire. Reminds me of my classic Winchester 30-30. I can't wait to hunt with it in Africa for cape Buffalo this June. I'm happy I met you at the Reno SCI show.

Thanks for a great gun.

Brett Valette Colorado

       475 Turnbull Ballistics

Bullet Weight (grains)

Muzzle Velocity (feet per second) 

Muzzle Energy (ft lbs)













475 Turnbull Re-loading Data

475 Turnbull Caliber/Barrel Conversion

Existing Barrel (re-bore)             $ CALL

New Barrel (up to 26")             $ CALL

Extra barrel length up to 30"    $ CALL

Barrel over 30"                     $ CALL

475 Turnbull Reloading Dies & Brass

RCBS Loading Dies                    $ CALL

Hornady Loading Dies                $ CALL

Headstamped Brass (Box of 20)   $ CALL

 *Dies come with shell holder



Turnbull Mfg. Co.
Phone: 585-657-6338; Fax: 585-657-7743
6680 State Route 5 and 20
Bloomfield, NY 14469

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Turnbull Mfg. Co.