The SIG Sauer GSR "Granite Series Rail" pistol is a stainless steel frame and slide M1911 clone produced by SIG Sauer. The SIG Granite Series was awarded the 2004 Handgun of the Year Award by the Shooting Industry Academy of Excellence. It is entirely made in the USA, from American parts.

Chambered for the .45 ACP

.45 ACP

The .45 ACP , also known as the .45 Auto by C.I.P., is a cartridge designed by John Browning in 1904, for use in his prototype Colt semi-automatic .45 pistol and eventually the M1911 pistol adopted by the United States Army in 1911.-Design and history:The U.S...

 round, some GSR models have an accessory rail that can be used to mount a variety of different tactical lights, lasers, or just about anything that can accommodate a Picatinny rail. Standard models have a 5" barrel and 4.5-pound single-action trigger. The GSR is reported to have produced range results of a 1.5" group at 25 meters. The GSR also comes in compact and carry models and various sight options are available.

SIG offers choice of a stainless steel finish or a Nitron dark finish, or even a two-tone Nitron and stainless look also available.

See also

• Pistol
  Pistol
  When distinguished as a subset of handguns, a pistol is a handgun with a chamber that is integral with the barrel, as opposed to a revolver, wherein the chamber is separate from the barrel as a revolving cylinder. Typically, pistols have an effective range of about 100 feet.-History:The pistol...
  
  
• List of firearms
• Firearms