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The .45 Auto Rim has an extra thick rim that allows it to be used without a moon clip in revolvers designed for a .45 Auto/moon clip combination. It is built with the same integrity as our 45 Colt case.

This case will not work in single action revolvers chambered for .45 Auto (such as the Ruger Blackhawk with .45 Auto cylinder) or in double action revolvers designed for .45 Colt and .45 Auto in the same cylinder (such as the Ruger Redhawk or Smith and Wesson Governor).



  500 for $129.50
$0.26/each

  1000 for $226.50
$0.23/each

* Starline Brass does not sell any loaded ammunition. What you are purchasing are brass cases only and will need to be loaded into ammunition in order to be fired from a firearm.



Average rating

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Thomas Egli
woodlawn, TN
April 20, 2023
Product Review
Once again Starline has hit the ball out of the park. This 45 AR brass is extremely consistent in length and weight. I use this in my S&W 1917, Colt 1917 & S&W 625-8 JM. My favorite load of course is Elmer Keiths 238 Grain 452423 over 7.5 Grains of Unique. I get very good accuracy with it. I really like not having to unload and load the half and full moon clips. This brass is very good and I have no complaints. And now for my wish list: 303 Savage (yes I use PRVI brass but I'd prefer to buy American), 35 Remington (Next to impossible to find), and 300 Savage.

David Murphy
Alabaster, AL
August 14, 2022
Product Review
Received my order in 2 days and they are perfect, as usual. All lengths are spot on and again, Starline fills the void that ammo manufacturers can't. Thanks for a great product and service.

Robert Closser
London, Ohio
July 27, 2014
Product Review
Great brass, re-loads fast & easy. fits great in S&W 625. shoots & ejects with no problems

Robert Closser
London, Ohio
April 29, 2014
Product Review
Got these for my S&W 625, so I didn't have to use a moon clip... Easy to re-load, fit perfecting the pistol, and eject smooth and fast. Highly recommend .. Ordered by phone and staff was very friendly and helpful

Robert Closser
London, Ohio
January 28, 2014
Product Review
Got some to try in my S&W 625... fit like a glove !!! Very happy with them and just ordered 500 more

Robert Closser
London, Ohio
January 25, 2014
Product Review
Use these in my S&W 625. Work Great never a problem..

Don Dineen
Osburn, Idaho
August 17, 2013
Product Review
Great product. I use it in a M625 and M1917 (M22) both at moderate velocities. The brass will last a long time, and I hope I have someone to will it too when I am beyond loading and shooting.