Lots of options including the three below.  From The History of British Sea Ordnance Volume 2, page 382.  He gives the following description of each.   Illustrations of breechings and gun-tackles on a 1795 pattern carriage, redrawn from Congreve's Treatise on the Mounting of sea Service Ordnance.     Top: gun tun in.  Center: gun run out and secured.  Bottom: gun run in, secured, and housed. Allan