An Army & Navy Sidelock Double Rifle chambered for .450 No. 2 Nitro Express cartridge.

An Auguste Francotte Sidelock Double Rifle chambered for the .577 Nitro Express cartridge.

Beretta Model 455 Double Rifle chambered for the .500 Nitro Express cartridge.

A Boxlock .577 Nitro Express Double Rifle with 26” ejector rifled barrels, rib extension dolls head third fastener and quarter rib.

A George Gibbs Boxlock Double Rifle chambered for .450/400 Nitro Express cartridge.

A Holland & Holland 'Round Action'Double Rifle chambered for .500 Nitro Express - 3" cartridge.

A fabulous Holland & Holland 'Royal' Double Rifle chambered for the .303 British cartridge with 28" barrels featuring a file cut quarter rib with platinum lined express sights.

A Holland & Holland 'Royal' Double Rifle chambered for the .500/465 Nitro Express cartridge. A fine example from this renowned London Best gun and rifle maker.

A Holland & Holland 'Royal' Double Rifle chambered for the .500/465 Nitro Express cartridge. A fine example from this renowned London Best gun and rifle maker.

A Holland & Holland 'Royal' Hammerless Ejector Double Rifle chambered for the .577 3 1/4" Nitro Express cartridge once that was built by Holland & Holland for the great African Big Game Hunter Baron Bror von Blixen-Finecke.

A Back-Action Sidelock ejector double rifle chambered for the H&H .375 Magnum Rimless cartridge circa 1951.

A Holland & Holland 'Royal' Deluxe Double Rifle chambered for .470 Nitro Express cartridge. A fine example from this renowned London Best gun and rifle maker.

A Holland & Holland 'Royal' Deluxe Double Rifle chambered for .500 Nitro Express 3" cartridge. A fine example from this renowned London Best gun and rifle maker.

A Holland & Holland 'Royal'Double Rifle chambered for H&H .375 magnum rimless cartridge.

A Holland & Holland 'Royal' Double Rifle chambered for the .500/450 Nitro Express cartridge.

A Rare Boxlock Double Rifle from Holland & Holland from circa 1922. It is one of only twelve boxlock double rifles that were every made by this renown London gunmaker. The 25" ejector rifled barrels with rib extension dolls head third fastener and a quarter rib are chambered for the .500/465 Nitro Express cartridge.

A J Purdey & Sons Underlever Sidelock Double Rifle chambered for .450 No. 2 Nitro Express cartridge.

A Back-Action Sidelock Ejector Double Rifle with 24” ejector rifled barrels, rib extension dolls head third fastener and a quarter rib.

A S. Lucchini Sidelock Double Rifle chambered for .470 Nitro Express cartridge.

A Verney-Carron 'SX' O/U double rifle chambered for the .450/400 Nitro Express 3" cartridge with interchangeable 20 gauge barrels.

A Westley Richards 'Droplock' Double Rifle chambered for the .470 Nitro Express cartridge.

A Westley Richards 'Droplock' Double Rifle chambered for the .600 Nitro Express cartridge.