I've never done a play field swap, but I am an self proclaimed expert when it comes to staplers.
When I built my theater, I went through about 20,000 staples for the fabric walls and velvet panels. Anyway, I used this stapler with the B&C Eagle Staples and it worked flawlessly.
https://www.amazon.com/Porter-Cable-US58-22-Gauge-C-Crown-Upholstery/dp/B00004SBC3/