Inert British .303 Round – B II Headstamp, Birmingham Metal & Munitions Co., UK P316 With its brass circular range

With its brass circular range plate and rubber covering to the eye lens

reflecting the practical needs of soldiers during the war

92×57mm headstamps record four key pieces of information: manufacturer code

Marine Corps

Its excellent condition enhances its desirability

Inert British .303 Round – B II Headstamp, Birmingham Metal & Munitions Co., UK P316 With its brass circular rangeThis is an inert . 303 British cartridge marked with the B II headstamp, identifying manufacture by the Birmingham Metal and Munitions Co. Ltd., Birmingham, UK. BMMCo was a significant producer of . 303 ammunition in the early 20th century, supplying the British military with rifle cartridges used in the Lee Enfield series and other service weapons. The B II headstamp variant is a recognised pattern for collectors, reflecting the companys production