The 1853 Enfield rifle-musket is thought to be the first modern infantry rifle and was one of the most influential guns of all time. Here's its history.
British military rifles - Wikipedia
Steam Workshop::P53 Enfield Rifle-Musket
Original British P-1853 Enfield 4th Model Percussion Musket Smoothbore – International Military Antiques
2 Band Enfield Rifle
Cates Auction Real Estate Company
Experimental Oval Bore P-1853 Enfield - ex Hythe Collection
Information on this P1853
Pedersoli 1853 enfield Small Arms & Ammunition
Lot - Enfield Pattern 1853 Short Musket
Whitney Pattern 1853 Enfield Rifle Muskets