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The 25-pounder Short Mark I, or Baby 25-pr, was an Australian pack gun version of the 25-pounder, first produced in 1943. This was a shortened version of the standard 25-pounder, mounted on the Carriage 25-pr Light, Mark 1. Weighing 1,315 kilograms (2,899 lb), it was around 315 kg (694 lb) lighter than the 25-pounder Mark II.
The size of the lead shot that is produced is determined by the diameter of the orifice used to drip the lead, ranging from approximately 0.018 inches (0.46 mm) for #9 lead shot to about 0.025 inches (0.64 mm) for #6 or #7.0 shot, while also depending on the specific lead alloy that is used.
At 24 grams per shotshell, a 25 lb of lead shot can reload approximately 472 shotshells. Stretching the number of hulls that it is possible to reload from an industry-standard 25 lb. bag of lead shot by 117 shells has significantly helped mitigate the large increase in the price of lead shot.
Therefore with a 12-gauge, it would take 12 balls of lead of the same size as the 12 gauge shotgun's inner bore diameter to weigh 1 pound (453.6 g). [5] The term is related to the measurement of cannons, which were also measured by the weight of their iron round shot; an eight-pounder would fire an 8-pound (3.6 kg) ball. Therefore, a 12 gauge ...
Round shot or solid shot or a cannonball or simply ball A solid spherical projectile made, in early times, from dressed stone but, by the 17th century, from iron. The most accurate projectile that could be fired by a smooth-bore cannon, used to batter the wooden hulls of opposing ships, forts, or fixed emplacements, and as a long-range anti ...
Lead shot is still the best ballistic performer, but environmental restrictions on the use of lead, especially with waterfowl, require steel, bismuth, or tungsten composites. Steel, being significantly less dense than lead, requires larger shot sizes, but is a good choice when lead is not legal and cost is a consideration.
It held 20 × 25-shell cartons (500 total shells) of 12 gauge ammunition and weighed around 65 lbs (Dimensions: 15" Length × 10.375" Width × 9.75" Height; Volume: 0.88 Cubic Feet). Guard shells had either a brass base (base only) with a full paper hull or partial brass case (1" long) and a long paper hull.
They were then replaced by standard 25-pounders which the personnel of the regiment's three batteries crewed in rotation. [28] A battery of QF 25-pounder Shorts was the first artillery ashore during the 7th Division's landing at Balikpapan in Borneo on 1 July 1945. [29] The QF 25-pounder Short was declared obsolete in 1946 and removed from ...