This is what happens. You find a good place with good prices, right as you are adding 16 pounds of powder to your cart…….and some other forum member is 20 seconds ahead. Then it’s gone.
Ok so start by going to gunshows and shops. Take photos of lots of toys. Post them online as look what I found in a pawn shop today.
The photoshop guns get especially high marks.
Flood the system.
Accuracy is a function of consistency. You can not improve what you cannot measure. Dial calipers, comparator with dial indicator and
+1 on best quality components. Lapua brass is my personal preference. Good luck on your quest to obtain 215M’s.