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A choke is designed to alter or shape the distribution of the shot as it leaves the firearm. For shooting most game birds and clay pigeons, a desirable pattern is one that is as large as possible while being dense enough to ensure multiple hits on the target, at a particular range. The choke should be tailored to the range and size of the targets.
The Glisenti Model 1910 used a bottlenecked 7.65 mm round which was similar to the 7.65×21mm Parabellum.Later, having the Italian Army judged the 7.65 round to be too light for military use, and having launched a competition for 9mm handguns instead, the Metallurgica Bresciana Tampini, owner of the design, adapted the Glisenti pistol to fire a 9mm round, obtained enlarging the original one ...
The Beretta 1301 is a gas-operated semi-automatic shotgun produced by Beretta, and imported by Beretta USA in the United States. [1] The firearm has two distinct models: The 1301 Tactical is intended for tactical self-defense and law enforcement applications whereas the 1301 Competition is designed for practical shooting sports such as Multigun or IPSC Shotgun.
A choke may also include a conical valve and valve seat, to ensure complete shutoff. Fluids flowing into the cage (through all uncovered holes) enter from all sides, producing fluid jets. The jets collide at the center of the cage cylinder, dissipating most of their energy through fluid impinging on fluid, producing less friction and cavitation ...
The Beretta 93R is an Italian selective-fire machine pistol, designed and manufactured by Beretta in the late 1970s for police and military use, that is derived from their semi-automatic Beretta 92. The "R" stands for Raffica , which is Italian for "volley", "flurry", or "burst" (sometimes spoken "R" as "Rapid" in English).
The word poppet shares etymology with "puppet": it is from the Middle English popet ("youth" or "doll"), from Middle French poupette, which is a diminutive of poupée.The use of the word poppet to describe a valve comes from the same word applied to marionettes, which, like the poppet valve, move bodily in response to remote motion transmitted linearly.
A typical subsea deepwater blowout preventer system includes components such as electrical and hydraulic lines, control pods, hydraulic accumulators, test valve, kill and choke lines and valves, riser joint, hydraulic connectors, and a support frame. Two categories of blowout preventer are most prevalent: ram and annular. BOP stacks frequently ...
The Moschetto Automatico Revelli-Beretta Mod. 1915 [1] (Commonly known as the Beretta Model 1918) was a self-loading carbine that entered service in 1918 with the Italian Armed Forces. Designed as a semi-automatic carbine , the weapon came with an overhead inserted magazine, an unconventional design based on the simplicity of allowing a spent ...