Handgun comparison icon Handgun comparison icon

Glock G20 Gen4 vs Glock G21 Gen4

Glock G20 Gen4

Striker-Fired Full-Sized Pistol Chambered in 10mm Auto
vs

Glock G21 Gen4

Striker-Fired Full-Sized Pistol Chambered in 45 ACP

Dimensions

  Length L Height H Width W Weight W
G20 Gen4 8.07 in 5.51 in 1.34 in 30.69 oz
G21 Gen4 8.07 in 5.51 in 1.34 in 29.28 oz

Details

  Barrel BBL Trigger Website
G20 Gen4 4.61 in Striker-Fired us.glock.com
G21 Gen4 4.61 in Striker-Fired us.glock.com

Capacity

  10mm Auto 45 ACP
G20 Gen4 15 (+1) -
G21 Gen4 - 13 (+1)

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

How do these two handguns stack up against eachother?

Tabletop
Tabletop Comparison

Drag/drop and reorder the handguns to compare on top of eachother