Glock G20 Gen4 vs Glock G21 SF

Glock G20 Gen4 facing right

Glock G20 Gen4

Striker-Fired Full-Sized Pistol Chambered in 10mm Auto
vs
Glock G21 SF facing left

Glock G21 SF

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 SF 8.07 in 5.51 in 1.34 in 29.1 oz

Details

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

Capacity

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

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

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Tabletop
Tabletop Comparison

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