Rick W Posted February 7, 2014 Share Posted February 7, 2014 Came across these 2 items today, the first is an ammo case, can anyone tell me more about it, also in the second pic is a spent ammo round from what I would think to be a LMG/HMG? Ammo casing, any way of dating, would I be right in thinking it is german? Markings around base SWN/124/56/HEIT/TNT N13Z On the flat of the base 55 RG OEZ About 15cm in length Thanks in advance Quote Link to comment Share on other sites More sharing options...
Adrian Barrell Posted February 7, 2014 Share Posted February 7, 2014 Rick, the box holds five propelling charges for the 5.5" gun. Being a BL (breech loading) it uses incremental bag charges, this being for second charges. The cartridge is a 20mm cannon, British, the RG stands for Radway Green. Quote Link to comment Share on other sites More sharing options...
Rick W Posted February 7, 2014 Author Share Posted February 7, 2014 Thanks Adrian, i couldn't see a date stamp on the cases, are they post war? Quote Link to comment Share on other sites More sharing options...
Adrian Barrell Posted February 8, 2014 Share Posted February 8, 2014 The 55 in the headstamp is likely the date. Quote Link to comment Share on other sites More sharing options...
Chris Suslowicz Posted February 8, 2014 Share Posted February 8, 2014 The 55 in the headstamp is likely the date. Markings around base SWN/124/56/HEIT/TNT N13Z On the flat of the base 55 RG OEZ SWN may well be Swynnerton, which was an ammunition factory that produced/filled 20mm Oerlikon ammunition. 124/56 is probably a batch/date code HEIT/TNT is the projectile type and filling: High Explosive Incendiary Tracer/TNT N13Z may be propellant (Z is a suffix denoting Nitrocellulose propellent as opposed to Cordite). I suspect the case was manufactured at Radway Green due to the headstamp, and sent to Swynnerton for filling. 55 RG OEz = 1955 Radway Green Oerlikon Nitrocellulose propellant. Chris. Quote Link to comment Share on other sites More sharing options...
Adrian Barrell Posted February 8, 2014 Share Posted February 8, 2014 Now that's what I call a definitive answer! :thumbsup: Quote Link to comment Share on other sites More sharing options...
Rick W Posted February 8, 2014 Author Share Posted February 8, 2014 Thanks Chris! Quote Link to comment Share on other sites More sharing options...
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