Inert .303 British Round – RL 1927 Headstamp (Royal Laboratory, Woolwich, UK) 303 454 Casull inert cartridge manufactured

454 Casull inert cartridge manufactured by Freedom Arms and bearing the USA CASULL F-A headstamp

making it a significant artifact for both historical study and collection

commonly found on aircraft like the Hawker Hunter and Harrier

and early tactical FM communications design

Inert .303 British Round – RL 1927 Headstamp (Royal Laboratory, Woolwich, UK) 303 454 Casull inert cartridge manufacturedThis is an inert . 303 British cartridge, manufactured in 1927 by RL Royal Laboratory, Woolwich Arsenal, UK. Fully deactivated and UKlegal, it is completely safe for handling, display, or educational purposes. The RL 27 headstamp identifies its pre World War II British manufacture, making it an authentic example of Royal Laboratory ordnance production. Ideal for collectors of British military ammunition, historians, or anyone building a reference