pump-action

(redirected from Trombone-action)

pump-action

adj
1. (Firearms, Gunnery, Ordnance & Artillery) (of a shotgun or other repeating firearm) operated by a slide-action mechanism feeding ammunition from a magazine under the barrel into the breech
2. spraying or dispensing liquid by means of a pump rather than using a propellant
References in periodicals archive ?
Mag.--not exactly a traditional chambering for a trombone-action rifle.
The trombone-action (another appellation) firing .22 Shorts prevailed in carnival shooting galleries for decades.
In the BB-gun department, Daisy has introduced the Model 225 American Legend, which is basically a new run of their famous Model 25 trombone-action BB gun dating back to 1913.