Any help identifying this casing would be appreciated

[Paulkent012]

Thanks for any help with this

 

[RMEAV8R]

British 5.56 Blank round. Overall length should be 57.40 mm or 2.260 inches

 

[Paulkent012]

Thank you what type of gun would have fired this ?

 

[RMEAV8R]

Most likely the British SA80 type or Canadian C7/8 type assault rifles.

 

[Jose159]

yes blank round for sure