Handgun comparison iconHandgun comparison icon

Glock G21 Gen4vsGlock G17 V MOS

Glock G21 Gen4 facing right

GlockG21 Gen4

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

GlockG17 V MOS

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