It’s not come up yet in any games I have run, but I would be pretty generous to the defender here with any improvised “weapon.” A bit of pipe, their rifle (not sure about pistol), a large spanner, could all be used to defend. I might not let them get the counterattack bonus effect though.
Effekt - A fan podcast celebrating Swedish RPGs including, but not limited to: Alien; Coriolis; Forbidden Lands; Symbaroum; and Tales from the Loop. Featuring discussion magazine episodes and Actual Play recordings. https://effektpodcast.org/