On 2/4/2012 9:14 PM, Larry Jaques wrote:
On Sat, 4 Feb 2012 13:31:29 -0500, "Jim Wilkins"
wrote:

Aw, that's no big thing. I've shot a large 20mm ball from a matchlock
rifle. It used an old barrel from a Vulcan cannon.



Aw, that's no big thing.
I've shot a 40mm grenade launcher...

Anybody shoulder fired a 75 mm recoiless?