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Glock 21Glock 21

Remarkable for its accuracy and light recoil, the GLOCK 21 delivers the legendary stopping power of the .45 Auto round with a 10/13 round magazine capacity. Countless law enforcement units swear by this superior pistol, and that's why this powerful, lightweight, all climate workhorse is standard issue from the North to South Poles.

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By Sector

  • Law Enforcement
  • Military
  • Personal Defense
  • Sport Shooting
  • Enthusiast
  • Women
  • First-Time Buyer
  • Hunting

Caliber / System

A drawing showing the shape of a .45 Auto bullet.
.45 Auto / Safe Action

Dimensions

A drawing showing the dimensions of a Glock 21.
  • Length:

    209 mm / 8.23 in.
  • Width:

    32.50 mm / 1.28 in.
  • Line of Sight:

    172 mm / 6.77 in.
  • Height:

    139 mm / 5.47 in.
  • Barrel Height:

    32 mm / 1.26 in.
  • Barrel Length:

    117 mm / 4.61 in.

Weights

  • Unloaded:

    750 g / 26.46 oz.
  • Loaded:

    1090 g / 38.45 oz.

Trigger Pull / Travel

A drawing showing the “Safe Action”® trigger of a Glock 21.
  • Trigger Pull:

    ~2.5 kg / ~5.5 lbs.
  • Trigger Travel:

    ~12.5 mm / ~0.5 in.

Barrel Rifling / Length of Twist

A drawing of the barrel of a Glock 21.
  • Barrel Rifling:

    right hand, octogonal
  • Length of Twist:

    400 mm / 15.75 in.

Magazine Capacity

A drawing of the magazine of a Glock 21.
  • Standard:

    13
  • Optional:

Available Pistol Accessories >   View all GLOCK pistol models >
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