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The "Foster slug", invented by Karl M. Foster in 1931, and patented in 1947 (U.S. patent 2,414,863), is a type of shotgun slug designed to be fired through a smoothbore shotgun barrel, even though it commonly labeled as a "rifled" slug. A rifled slug is for smooth bores and a sabot slug is for rifled barrels. [9]
The limited range of the slow, heavy slug—even a saboted slug—compared to a rifle bullet offers a safety advantage by limiting the maximum range. While buckshot is capable of taking deer-sized game, it is only effective at short ranges, generally under 50 yards (46 meters). A properly selected barrel and slug load can increase the range to ...
Hunting shotguns are shoulder-fired weapons, and are generally smoothbores, but guns designed to fire slugs may have rifled barrels. Shotguns are used for short range shooting, and are less accurate than rifles, though the ability to fire multiple projectiles makes them ideal for small, fast moving targets.
For comparison, a common deer-hunting rifle round is a 7.62 mm (.308 inch) slug weighing 9.7 grams (150 grains), but the dynamics of the rifle cartridge allow for a different type of wound, and a much further reach.
Cartridges can also be made with specialty non-lethal projectiles such as rubber and bean bag rounds. Shotguns have an effective range of about 35 m (38 yd) with buckshot, 45 m (49 yd) with birdshot, 100 m (110 yd) with slugs, and well over 150 m (160 yd) with saboted slugs in rifled barrels. [3] [4] [5]
A cartridge, [1] [2] also known as a round, is a type of pre-assembled firearm ammunition packaging a projectile (bullet, shot, or slug), a propellant substance (smokeless powder, black powder substitute, or black powder) and an ignition device within a metallic, paper, or plastic case that is precisely made to fit within the barrel chamber of ...
The .50 Beowulf rifle cartridge uses a rebated-rim design. This round is used in specialized AR-15 upper receivers, and the rim matches the size of the rim of the 7.62×39mm, allowing those parts to be used in the custom-built upper receivers. [8] Other rebated rifle cartridges include the .450 Bushmaster, .458 SOCOM, .500 Jeffery, and .375 ...
The "double-ramp" and "saddle-back" sabots used on modern APFSDS ammunition are a form of spindle sabot. [1] Shotgun slugs often use a cast plastic sabot similar to the spindle sabot. Shotgun sabots in general extend the full length of the projectile and are designed to be used more effectively in rifled barrels.