https://auctions.springer-vienna.com/en/...;currentpos=160

sidelock S/S double rifle Claude Bouchet - Flamarens, France, .577 Tyrannosaur,
59 cm barrels, bored from a solid billet, not soldered from tubes (thus a REAL Monobloc), inscribed "Fait par Claude Bouchet a Flamarens .577 Tyrannosaur", adjustable express sights, extractor, bright action, full-coverage engraved, with chiselled shaded foliate scroll surrounded panels with fine Bulino engraving, African Elephant herd with Antelopes in front of Mount Kilimanjaro on the left, Black Rhinos, a Nile Crocodile and a Mane Lion on the right, Leopards on the action bottom, Cape Buffalo on tang, signed "Grave par Claude Bouchet 2000", on the right a side lever, pinless sidelocks with integral bridles, back-action locks, mechanical non-selective single trigger, blocked sears only allow the left tumbler to drop after the right lock has been engaged, thus the rifle is unable to double-fire, side bolsters, very sturdy walnut stock, fish-scale chequering, pistol grip with en-suite engraved steel cap, oval cheekpiece, chequered butt, 35 cm, trap for a wrench for disassembly of the locks, broad beavertail fore-end with push-rod type Anson, knurled and screwed in preventing involuntary becoming loose, in an oak and leather case with accessories and canvas cover as well as proof documents from the French proof house in St. Etienne, weight 10,5 kg, year of manufacture 2000, condition 1-2.
Claude Bouchet makes such truly unique pieces by hand taking more than three years time, the arm incorporates some individual inventions and innovations. The cartridge was invented by A-Square, originally for their Hannibal bolt action, and with more than 13000 Joule muzzle energy it is more than ample for all the Big Game animals still alive today. The rifle is regulated to a distance of 80 m with 750 grs bullet weight