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The .357 SIG (designated as the 357 Sig by the SAAMI [2] and 357 SIG by the C.I.P. [1] or 9×22 mm in official metric notation) is a bottlenecked rimless centerfire handgun cartridge developed by the Swiss-German firearms manufacturer SIG Sauer, in cooperation with ammunition manufacturer Federal Premium.
SIG Sauer system. The SIG Sauer system is a type of action found in self-loading handguns. It is a refinement of designs based on the work of both John M. Browning and Charles Petter which began with the Colt Model 1900, progressed to the French Model 1935A, and later the SIG P210 handgun.
The 357/45 Grizzly WinMag .357-.45 GWM was a powerful wildcat round designed for the LAR Grizzly pistol. [ 2 ] The standard Grizzly models had a 5.5" slide, most often seen fitted with a 6.5" barrel that extends one inch beyond the slide, and less commonly with a 5.5" barrel in combination with a factory-fitted bushing style recoil compensator.
Closeup of chamber throat depicting relationship between freebore diameter, rifling groove diameter, and land diameter. The chamber is the rearmost portion of a firearm barrel that has been formed to accept a specific handgun/rifle cartridge or shotgun shell. [5]
The GSR is reported to have produced range results of a 1.5" group at 25 meters. The GSR comes in compact (3.5" barrel) and carry models (4" barrel) and has various sight options available. [8] SIG offers choice of a stainless steel finish, a Nitron dark finish, or a two-tone Nitron and stainless look. [7]
The Colt Officer's Model or Colt Officer's ACP is a single-action, semi-automatic, magazine-fed, and recoil-operated handgun based on the John M. Browning designed M1911.It was introduced in 1985 as a response from Colt to numerous aftermarket companies making smaller versions of the M1911 pistol.
Comparison of milliradian (mil) and minute of arc (moa).. Since adjusting the point of impact to match the point of aim is relatively simple with any type of adjustable sights, the primary goal of accurizing is to increase the precision of the firearm, which is generally measured by looking at the dispersion of a number of shots fired at the same point of aim.
The Taurus PT1911 is a replication of the US military model 1911 single-action recoil operated semi-automatic pistol.Designed in Porto Alegre, Brazil, it was initially distributed and released in the U.S. consumer market in the fall of 2005.