FN Trombone

The FN Trombone is a pump-action .22 caliber rifle manufactured by Fabrique Nationale of Belgium. It uses a sliding forearm that cycles the action similar to a pump shotgun. The rifle features a tubular magazine under the barrel and a takedown design. It was chambered in .22 Long Rifle and was designed for plinking and small game hunting. The Trombone is known for its unique pump-action mechanism on a rifle.