Finally got these down to a science when it comes to making them. They are cram and jam, use the stock mounting bolts. They can also be reversed and take phantom feed tubes.
One thing... this is THE
design. There is no room for rails on the top, and I won't be changing the idea around to much. They are a bit a pain to make.
- $40 shipped.
The other way obstructs the screw to rotate the breach.