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Glock G21 Gen4 vs Heckler & Koch USP Compact

Glock G21 Gen4

Striker-Fired Full-Sized Pistol Chambered in 45 ACP
vs

Heckler & Koch USP Compact

DA/SA Compact Pistol Chambered in 9mm Luger, 40 S&W

Dimensions

  Length L Height H Width W Weight W
G21 Gen4 8.07 in 5.51 in 1.34 in 29.28 oz
USP Compact 6.81 in 5 in 1.38 in 27.2 oz

Details

  Barrel BBL Trigger Website
G21 Gen4 4.61 in Striker-Fired us.glock.com
USP Compact 3.58 in DA/SA hk-usa.com

Capacity

  45 ACP 9mm Luger 40 S&W
G21 Gen4 13 (+1) - -
USP Compact - 10 , 13 (+1) 10 , 12 (+1)

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