Handgun comparison iconHandgun comparison icon

Glock G21 SFvsGlock G17 V

Glock G21 SF facing right

GlockG21 SF

Striker-Fired Full-Sized Pistol Chambered in 45 ACP
vs
Glock G17 V facing left

GlockG17 V

Striker-Fired Full-Sized Pistol Chambered in 9mm Luger