The prosecution wants to know if the gun was ready to fire or not. The police officer sent out with the exhibit is to examine it more closely. He recalled and confirmed the safety catch was off but the gun was not ready to be fired - two hands would be needed to fire it.
Under cross examination the Pc agreed there was "no way the gun was in any condition to be fired straight away".
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Police were called to Kilburn High Road at 5.20pm after reports of a shooting.
In just 24 hours the offer was retweeted more than a thousand times on Twitter.
What a year it's been full of ups and down, turmoil and change and it seems events here in London have got the entire nation talking.