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David13 · May 17, 2013, 07:44 PM

Does the Glock 21 use acp .45, or gap .45.
I don't want to shoot the wrong ammo in someone else's gun.
I'm seeing that it uses .45 acp.
dc

May 17, 2013, 07:44 PM	#1
David13 Senior Member Join Date: November 2, 2012 Location: Los Angeles Posts: 243	Does Glock 21 Use GAP Does the Glock 21 use acp .45, or gap .45. I don't want to shoot the wrong ammo in someone else's gun. I'm seeing that it uses .45 acp. dc