These Are Also Shotguns! (Please give your opinion in the survey) | The Sporting Bookworm's Hermitage
LANCASTER 12 "COLINDIAN"- BALL & SHOT OVAL BORE RIFLED GAME GUN- 1895- 1964 BIRMINGHAM NITRO PROVED 30" STEEL Bbls.- .040" WALLS
Shooting: Is 5R barrel rifling more accurate than 4 or 6 groove rifling? - Quora
Charles William Lancaster - Wikipedia
So many ways to skin the cat. | vring
Update: Russian 9.6x53mm LANCASTER Cartridge -The Firearm Blog
Lancaster Oval Bore Double Rifle No 3331 (1860) – Antique Firearms Restoration Blog
British Lancaster's Patent Oval Bore "Sappers & Miners Carbine"
How can the rifling inside the gun's barrel induce the bullet to get rotation after shooting, but the surface of a bullets is very smooth? - Quora
Artillery, 1862: Projectiles and Rifling
Rifling Machines - Page 2
Lancaster rifle, 1855. | Collections Online - Museum of New Zealand Te Papa Tongarewa
The Lancaster Oval Bore Rifle... | Small Arms & Ammunition
How does rifling work? - Quora
Gun - 68 pounder Lancaster elliptical-bore (1854) - Royal Armouries collections
Lancaster Bore Russian Sporting Guns - Revivaler
Rifling
New Russian 9.6x53mm Lancaster Cartridge and .366 TKM News -The Firearm Blog
Rifling
Polygonal Rifling
Lancaster Bore Russian Sporting Guns - Revivaler
