BudsGunShop.com - How is this different from 45 ACP

this ammunition should only be used in 45 GAP Chambered firearms. The 45 GAP is a shortened case 45ACP. Details of development here : quora.com/How-do-the-Glock-45-auto-and-the-45-GAP-differ you will have headspace and pressure issues pressure wise it about a +P 45acp not only that but 45 gap ammo is more expensive and harder to find

It will fire in 45 ACP chambers if the extractor holds it firmly enough but the rim is different and it may not work. It will fire in 45 acp revolvers with moon clips. With that said it's not recommended because it operates at approximately twice the pressure of standard 45 ACP load and being shorter it may not feed in semiautos.

Hi Mark, Yes it can be used in any .45 acp firearm.

Hi Mark, this ammunition should only be used in 45 GAP Chambered firearms. The 45 GAP is a shortened case 45ACP. Details of development here : quora.com/How-do-the-Glock-45-auto-and-the-45-GAP-differ