Just a tip, whatever you end up doing, dont refer to it as a "Replica Firearm" as the CFC is rather twitchy about them because they are Prohibited Devices. Call it a "Non-firearm airgun" if you must call it anything. Hell, a deactivated firearm would be better as they cant take issue with it.
Tweeter and the Monkeyman were hard up for cash
They stayed up all night selling cocaine and hash
To and undercover cop who had a sister named Jan
For reasons unexplained, she loved the Monkeyman