I shot this glue lam piece with my cannon. The load was 750grs of FFG Pyrodex and a 7000 gr or 1 pound ball. It penetrated 12" before splitting out the side.
I have the cannon for sale on gun broker and I can build custom cannons to your specs also.
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=271314961

I have the cannon for sale on gun broker and I can build custom cannons to your specs also.
http://www.gunbroker.com/Auction/ViewItem.aspx?Item=271314961