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Bullet size may vary within a given cartidge, or a cartridge may have a standard bullet size. For example, .308 rifle bullet size varies from about 125 to over 185 grains. Bulllet size for the 9mm Luger cartidge varies from 60 to 160 grains. However, AR-15 ammo has a standard bullet size of 55 grains.
Sep 28, 2024 · English cartridges, or those measured in inches, vary with how the case is specified. Usually, they will have a caliber number along with a name or word. A .38 Special cartridge has a 0.358” diameter bullet and a 1.155-inch long case. A .357 Magnum cartridge also has a 0.358” bullet, but the case is 1.290 inches long.
Sep 6, 2023 · By “usable case capacity,” I mean the internal area of the body of the case and shoulder, but none of the neck. This would be the space occupied by powder in the case of a flat-based bullet that doesn’t protrude into the powder column. The chart is ranked from the largest internal volume (.50 BMG), to the smallest internal volume (.22LR).
Apr 5, 2023 · Next, we need to understand what exactly a “cartridge” is, and how that differs from a bullet. A “Cartridge” refers to the entire firing unit: brass case, primer, gun powder, and projectile. The word “bullet” only refers to the action projectile that is shot through the barrel and hits the target.
This cartridge was adopted by the military in their new M-16 rifle, setting the stage for 5.56x45mm centerfire domination. Ranging in size from 55- to 77-grain loads, it is hyper-accurate and great for both short and long-range shooting – even in budget rifles. While the 223 Rem and 5.56x45mm are very similar, they are not the same cartridge.
Oct 30, 2024 · Simply put, caliber refers to the size of the bullet or the internal diameter of a firearm’s barrel. It can be expressed in inches (like .45 caliber) or millimeters (like 9mm). The term can sometimes be confusing because certain cartridge names might not directly correspond to the actual bullet diameter.
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How long is a gun case?
May 29, 2022 · However, only the bullet weight is noted on ammunition packaging after the ammunition caliber. Case Length. Case length is the second number in the ammunition numerical sequence for modern ammunition and determines how long the rest of the cartridge is. The case holds the propellant and also determines just how powerful some cartridges can be made.
