[JustJake]

Easy peasy ...

For deer hunting, I feed my most-awesome 6.2” 10mm Glock 40 either 200grn or 220grn poly-coated hard cast FP ammo from Underwood.

UW’s poly-coating not only doesn’t lead up the factory barrel, but it imparts a “slickness” to the hard-edged FP slug that makes it feed up the ramp smoothly every time, i.e., no jams.

Buffalo Bore 10mm HC ammo is good too, but it’s not coated. So you need to fire a box or two through your gun to be sure it will feed reliably.