Propstore is auctioning off a production-used pulse rifle! Lots of Farscape items have shown up in their auctions over the years, and most of them haven't sold. There are some great reference photos on their web site.
Here's their description:
Lot #: 107
Peacekeeper Pulse Rifle
FARSCAPE (TV 1999-2003)
A Peacekeeper Pulse Rifle from the sci-fi television show Farscape. The Pulse Rifle was a standard issue weapon of the militant Peacekeepers, with multiple variants seen in use throughout the show's run.
Made of fibreglass, the weapon features elaborate detailing across the receiver, grips and barrel, and features a cast-in scope running along the top of the receiver. The futuristic rifle is finished in metallic gunmetal grey paint with washes and distressing applied to make the weapon appear well-used. The piece displays some minor wear from production use, including scratches to the left side of the scope and grips. Dimensions: 58 cm x 9 cm x 24 cm (22 3/4" x 3 1/2" x 9 1/2")
Estimate: £1500 - £2000