Webley Auto self-loading pistol .455″

01. Original name Webley & Scott Mark 1 Self-Loading Pistol  
02. Other official names Pistol Self-loading, Webley & Scott .455-inch, Mark 1  
03. Popular names   
04. Chamberings .455 Self Loading  
05. Designed by Webley & Scott Limited  
06. Design date LoC 19 May 1913  
07. In service date(s) 1913 – 1919 until 1945  
08. Adopted by Naval and air services  
09. Production quantities Production for the war effort was approximately 8,050, but this included a small quantity for the Australian Navy and a trial production run for the RHA. They were also used by the RFC. It was also manufactured to commercial sale to officers of the commonwealth forces, but these were numbered in the commercial pistol production  
10. Mechanism 8 shot recoil operated self-loading operation with locked breech  
11. Weight 2 lbs 8 oz (with magazine empty)  
12. Mountings Usually, leather holster  
13. Practicality in action Sturdy dependable short range weapon for defensive or offensive action. The close-fitting breech locking was unsuited to muddy trenches, hence adoption by Royal Navy and Flying Corps.  
14. Comments / Other information 0.455” dedicated semi-rimless ammunition muzzle velocity 710 f.p.s. Overall length 8.5”, barrel length 5”. Magazines had two catch notches to allow selection of single shot use loaded through open breech. Insertion of the magazine to second notch re-engages the automatic loading function.The RHA trials pistols were fitted with a manual side safe on the hammer and a rear-sight with adjustment out to 200 yards, some were also adapted to allow the attachment of a shoulder piece