GLOCK G21 Gen4 .45 ACP Pistol


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The GLOCK G21 Gen4 .45 ACP Pistol is a semiautomatic pistol that features a polymer grip and the SAFE ACTION® constant double-action system. The pistol offers screw-on front and fixed rear sights, has a 4.61″ barrel length and comes with 3 magazine clips and a polymer gun case.
Features and Benefits
  • Semiautomatic double action
  • .45 caliber with a 4.61″ barrel length
  • Polymer grip
  • Screw-on front and fixed rear sights
  • SAFE ACTION® constant double-action system
  • Trigger pull (lb.): 5.5
  • Handedness: Ambidextrous
  • Grip: Polymer
  • Rate of twist: 1 in 15.75 in.
  • Product weight: 26.46 oz.
  • Style: Pistol
  • Manufacturer warranty – general: Lifetime limited
  • Metal finish: Matte black
  • Magazine capacity: 10/13
  • Rear sight: Fixed
  • Manufacturer warranty – parts: Lifetime limited
  • Barrel length (in.): 4.61
  • Action: Double
  • Rifle Ammo Type: Centerfire
  • Front sight: Screw-on
  • Caliber: .45 ACP
  • Product length (in.): 8.23
  • Manufacturer warranty – labor: Lifetime limited
What’s in the Box
  • GLOCK G21 Gen4 .45 ACP Pistol
  • 3 magazine clips
  • Polymer gun case
  • Wire brush, poly rod, grip panels, lock
  • Owner’s manual
Important Product and Safety Information
  • We recommend the use of protective eyewear whenever using or near the use of this item.
  • Firearms purchased online are shipped to your local Academy Sports + Outdoors as selected in the checkout process.
  • Please note that all firearm purchases require valid US government issued ID and related firearm paperwork.
  • You must be a resident of the state selected for pickup.

Additional information


45 ACP










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