40mm tear-gas cannister, 40mm parachute flare;
.30-.378wbymag; had muzzle brake, sighted in for temporary owner, he sold it back to shop he bought it from, less 40rds (cost him almost $200 for two boxes of factory ammo).
50rds.380 from Mac11 w/silencer circa 1973; owned by class III dealer aquaintance
.500 S&W from factory prototype revolver. (tool shop gun built by Tom Gordon;chief armorer).
full auto M14 w/tracers (at night!)
Ruger AC-5.56 (full auto version of Mini-14, circa 1980).
AAC Rem. M700 .300BLK w/silencer w/Burris "Eliminator" laser/traj. comp. sight. (sighted in and regulated it to hit POI/POA to ~150yds with 208 A-max ammo.... a chore, actually.
and a few more that don't come to mind.