A German wheellock rifle,mid 17th century. Octagonal barrel with eight-groove rifling in 15 mm calibre,dovetailed copper sights. The chamber struck with a mark showing a halberd bearer(Stöckel No. 5066). Cut wheellock. Hair
Original 19th Century Early Experimental Breech Loader - Smooth Bore w – International Military Antiques
The Germanic Jager rifle - article and film - Part 1. - capandball.eu
James bond style gun barrel rifling vector, Art Print | Barewalls Posters & Prints | bwc85936466
How was gun barrel made in pre-modern times? - Quora
DIY Barrel Rifling With 3D Printed Help | Hackaday
A wheellock rifle, German, dated 1640. Lightly swamped barrel with seven groove rifling in 16 mm calibre, dovetailed iron sights, and "1640" engraved on the breech. Cut wheellock with a cloverleaf design
A Riffle Gun and What Belongs To Her | Muzzle Blasts Archives — The NMLRA
A German flintlock rifle, late 17th century Heavy, octagonal barrel in 16 mm calibre, slightly swamped near the muzzle, with bright bore and good rifling, with dovetailed brass front sight and rear
A wheellock rifle, German, dated 1640. Lightly swamped barrel with seven groove rifling in 16 mm calibre, dovetailed iron sights, and "1640" engraved on the breech. Cut wheellock with a cloverleaf design
File:Barrel and rifling.jpg - Wikimedia Commons
Between the Lands and Grooves | Shooting Sports Retailer