06 inches. That's not an enormous margin, but it really does make the 43X experience extremely skinny even though carrying. Don’t write this off as “just as skinny” as competition. For getting one that “feels” as compact, you would need to go all the way down to a Kel—Tec PF9. https://glock43xsupply.us/product/glock-43x-for-sale/