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A dram in the avoirdupois system is the mass of 1 ⁄ 256 pound or 1 ⁄ 16 ounce or 27.3 grains. The reasoning behind this archaic equivalence is that when smokeless powder first came out, some method of establishing an equivalence with common loads was needed in order to sell a box of cartridges.
The brass cartridge cases contained three different types of loads: light at 12 drams, 14 drams at regular, and 16 drams of powder at heavy load. (Note: 1 dram = 27.34375 grains in the avoirdupois system, since 256 drams = 7000 grains = 1 pound of powder. Shotgun shells are still rated in terms of the same archaic dram measurements, relative to ...
The .22 LR is the most commonly fired sporting arms cartridge, primarily because, when compared to any centerfire ammunition, .22 LR ammunition is much less expensive and because recoil generated by the light .22 bullet at modest velocity is very mild.
A Dragon's Breath shell "should be used with caution as it can cause fires if it lands in dry brush, trees or other flammable objects," seller KIR Ammo of Forth Worth, Texas, wrote on the company ...
Military use of combat shotguns through the 20th century has created a need for ammunition maximizing the combat effectiveness of such weapons within the limitations of international law. 12-gauge has been widely accepted as an appropriate bore diameter to provide an effective number of projectiles within an acceptable recoil.
Dragon's breath at night. Dragon's breath is a special type of incendiary-effect round for shotguns.Dragon's breath consists primarily of magnesium pellets/shards. When the round is fired, sparks and flames can shoot out to about 100 feet (30 meters), although, some sources claim it extends to 300 feet (91 meters). [1]
The only known shotgun shells using rebated rims is the Roper repeating shotgun [9] and the 12 Gauge RAS12, specially made for the RAS-12 semi-automatic shotgun. [10] The .50 Beowulf rifle cartridge uses a rebated-rim design.
The dram (alternative British spelling drachm; apothecary symbol ʒ or ℨ; [a] abbreviated dr) [4] [5]: C-6–C-7 [6] is a unit of mass in the avoirdupois system, and both a unit of mass and a unit of volume in the apothecaries' system. [5]