BSA No. 4 Mk I Sporter .303 British Bolt-Action Rifle, 22ʺ Barrel, 10+1 Capacity
Built in 1943 by Birmingham Small Arms, this No. 4 Mk I Sporter blends the battlefield-proven Enfield action with a 22-inch barrel and a trimmed hardwood sporter stock. The result is a lighter, handier rifle that retains the robust .303 British chambering and 10-round detachable magazine of the original service gun.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Good – Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling – Intact, well-defined lands and grooves.
What’s Included
- BSA No. 4 Mk I Sporter rifle
- One 10-round detachable magazine
The 22-inch barrel keeps velocity while shortening overall length, making this Sporter easier to carry in the field than a full-length service rifle. The bore is clean with sharp rifling, ready for accurate shooting with standard .303 British loads.
BSA retained the smooth, rear-locking Enfield bolt that earned a reputation for rapid cycling. The 10-round box magazine feeds reliably and removes quickly for loading or maintenance.
The hardwood stock has been sporter-cut, reducing weight and providing a classic sporting rifle profile. A straight comb and 13.25-inch length of pull offer a comfortable fit for most shooters.
Manufactured in England during wartime production, this 1943 example carries the history of the No. 4 platform while offering the practical advantages of a sporting conversion.




