Rim (firearms)
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A rim is an external flange that is machined, cast, molded, stamped, or pressed around the bottom of a firearms cartridge. Thus, rimmed cartridges are sometimes called "flanged" cartridges. Almost all
Rimmed vs rimless cartridges
Rimmed .357 Magnum revolver ammunition
Rimless 9mm Parabellum pistol cartridges
FN 5.7×28mm
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The FN 5.7×28mm is a small-caliber, high-velocity, smokeless-powder, rebated, non-tapered, bottleneck, centerfire cartridge designed for pistols and personal defense weapons uses, manufactured by FN H
Rim (firearms)
…required only a barrel change for a different caliber. The .440 Cor-Bon is another cartridge with a rebated rim the same diameter as the .44 Magnum. The FN 5.7×28mm (used in the FN Five-seveN semi-automatic handgun and FN P90 personal defense weapon) is a well-known cartridge with a slightly rebated rim, but the…
5.7×28mm sporting cartridges. From left to right: SS195LF, SS196SR, and SS197SR.
5.7×28mm SS196SR next to a U.S. quarter-dollar coin and a ruler
From left to right: 9×19mm Parabellum, .40 S&W, .45 ACP, 5.7×28mm, 5.56×45mm NATO, .300 Winchester Magnum, with 2.75-and-3-inch (70 and 76 mm) 12 gauge shotgun shells
The 5.7×28mm cartridge next to similarly sized cartridges, from left to right: 4.6×30mm, 5.7×28mm, .30 Carbine