Glock G17 Gen5 vs Glock G21 Gen4

Glock G17 Gen5 facing right

Glock G17 Gen5

Striker-Fired Full-Sized Pistol Chambered in 9mm Luger
vs
Glock G21 Gen4 facing left

Glock G21 Gen4

Striker-Fired Full-Sized Pistol Chambered in 45 ACP

Dimensions

  Length L Height H Width W Weight W
G17 Gen5 7.95 in 5.47 in 1.34 in 25.08 oz
G21 Gen4 8.07 in 5.51 in 1.34 in 29.28 oz

Details

  Barrel BBL Trigger Website
G17 Gen5 4.49 in Striker-Fired us.glock.com
G21 Gen4 4.61 in Striker-Fired us.glock.com

Capacity

  9mm Luger 45 ACP
G17 Gen5 17 , 19 , 24 , 31 , 33 (+1) -
G21 Gen4 - 13 (+1)

Side-by-Side
Side-by-Side Comparison Charts

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Tabletop
Tabletop Comparison

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