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45 AUTO RIM

45 AUTO RIM

45 Auto rim ammunition is an extremely unique cartridge with a very interesting history. The round is very similar to the massively popular 45 ACP cartridge, but are not interchangeable in semi-automatic weapons. The 45 Auto Rim was created for a weapon created to meet wartime demands. The M1911 45 ACP pistol was adopted, but production by Colt and Smith and Wesson couldn't keep up with what the war effort demanded. Both companies had the machining ability to create revolvers at a rapid rate. So, both produced a Model 1917 revolver chambered in 45 ACP to aid in military logistics.

45 ACP lacks the rim necessary for a revolver to eject and chamber a round, so the 45 auto rim was designed to function in a revolver without the use of full or half moon clips. The half moon clips made reloading swifter, but where thin and often bent or broke in war time conditions. The 45 Auto rim cartridge was almost identical to the 45 acp round, except for the use of hard alloys for the bullet, and case strength. The 45 auto rim was entirely lead, which was softer, and aided in resisting wear in the shallow rifling of M1917 revolvers.

The 45 auto rim featured a reinforced case that is much stronger than a typical 45 ACP round. This increased strengthened has allowed companies to produce hotter rounds, and squeeze every ounce of performance out of the cartridge. This is done to the point the round falls just short of the powerful 45 Colt.

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   Product Name   Price   Buy Now 
20rds - 45 Auto Rim Buffalo Bore 200gr. +P JHP Ammo 20rds - 45 Auto Rim Buffalo Bore 200gr. +P JHP Ammo
$33.95

($1.70/ppr)

In Stock!

20rds - 45 Auto Rim Buffalo Bore 225gr. +P Wadcutter Ammo 20rds - 45 Auto Rim Buffalo Bore 225gr. +P Wadcutter Ammo
$33.95

($1.70/ppr)

In Stock!

20rds - 45 Auto Rim Buffalo Bore 255gr. +P Hardcast Ammo 20rds - 45 Auto Rim Buffalo Bore 255gr. +P Hardcast Ammo
$33.95

($1.70/ppr)

In Stock!

20rds - 45 Auto Rim Buffalo Bore Standard Pressure 225gr. Wadcutter Ammo 20rds - 45 Auto Rim Buffalo Bore Standard Pressure 225gr. Wadcutter Ammo
$33.95

($1.70/ppr)

In Stock!

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