Originally Posted by Steel Head
Your chamber pic shows the lack of leade well.
Your ejection port does look a bit lower than an early gov colt.
What is the oal of the dummy round?
The dummy is 1.180" if I remember correctly. I got 1.180" to fit, but I might have gone a LRCH deeper to see if it fit better. At any rate, it's close enough to 1.180" in that picture to call it that.