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			On my recent trip to the top end I came across a small market, and one of the stall holders was displaying these casings. I sat the small arms bullets beside them it for a size reference 
		
		
		
			The owner was trying to get information on the casings, and knew nothing about them. I am guessing they are post-war? Can someone please identify these casings and give us an indication of their use? 
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	Howard Holgate F15 #12 F15A #13 (stretched) F60S #13 C15A #13 Wireless (incomplete)  | 
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			#2  
			
			
			
			
			
		 
		
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			Hi Howard, they look like 30mm used in a Defa?? Mirage jet or similar. 
		
		
		
		
		
		
		
		
	
	Colin.  | 
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			#3  
			
			
			
			
			
		 
		
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			They are 25 mm bushmaster chain gun, mounted on the LAVs current use.
		 
		
		
		
		
		
		
			
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	42 Slat grill 43 Ford gpw 44 C15A Wire 5  | 
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			#4  
			
			
			
			
			
		 
		
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			Howard, 
		
		
		
		
		
		
		
		
	
	I agree with Jason: 25mm cartridge cases and links fired from an M242, 25-mm chain gun as mounted in an ASLAV (or on RAN patrol vessels). The link is the M28. It is a pressed steel two-piece link and only used with the 25-mm cartridges for the M242. The cart cases are the C1030 steel case, annodized with a light olive green finish. The cart case has a characteristic groove around the circumference, a centimetre or so below the shoulder - it is just visible in your image. As far as I know, the current projectiles available in Aust are the APDS-T (M791), HEI-T (M792), and the TP-T (M793). The cases shown could have been loaded with any of the above. Mike C  | 
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			Thank you Boys, 
		
		
		
		
		
		
			The information has been sent to the owner. I am sure that he is grateful. Cheers H 
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	Howard Holgate F15 #12 F15A #13 (stretched) F60S #13 C15A #13 Wireless (incomplete)  | 
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