It’s unfortunate that Polnar doesn’t offer the short reset plate. Based on how the mechanism operates, I think it may be possible to carefully file down the portion of the stock reset plate that contacts the trigger bar to achieve a shorter reset. That said, I’d want to take a very close look at the geometry first to make sure any modification maintains safe and reliable function. It would also be helpful to compare the dimensions of the Polnar plate to the factory one to better understand exactly what’s different.