Oh thats not up to me lance., DD and Cat can have any and all photos I got tho for this sort of thing., here is a little documentary on a 1" bore 6 pounder I built you might find this fun to look at. I was trying to build Low-Riders out of them...., toys really.
http://tropico.ph/Gallery/Building-small-ordinance .
Also here is a Sled I made for my Bronze Mortar Powder Keg built for me. It too has 1/2 pipe trunnion caps ., I wanted these a little differant so we welded some 7 1/16' rod onto the trunnion cap ends.
http://tropico.ph/Gallery/Coehorn-Mortar?page=1 Be sure to click the thumbnails for large detailed photos.
Listen to all of us..., We sound like a bunch of hungry children.....,Hey Rickk can you pass the milk I am having a bowl of trunnions with my toast.., How about you Lance..., "oh no thanks Rich" "I'll just grab a Trunnion-Bar on my way out the door.