Did some looking into the Apex barrel last night. I honestly don't believe it's had a round through it..soaked it with wipe-out and let it sit a while and this is how the patches came out. [Linked Image]
Checked with a cleaning rod and the twist is somewhere between 8 and 9 erring closer to 8 after a few follow ups.
Read a little about Apex and it seems at one point they might have used gain twist rifling in some of their barrels but this one appears to be constant.
Still not sure about the wacker chambering but was able to fully chamber and eject a piece of .264wm brass

She never made it past the bedroom door, what was she aiming for...?
She's gone shootin..