Anyone have this issue with their Weihrauch HW95?

Just recently bought a HW95 from Pyramydair and I’m perplexed as to why the screws come loose after every 100-200 shots. I’m cognizant of the fact that it is a magnum springer. But even so, it shouldn’t come loose after a measly 100-200 shots. In the past, I owned an old Gamo Pro Hunter (discontinued in 2006). With that rifle, I didn’t touch the screws until the 1000 shot point. Same goes for the Walther Terrus I owned immediately after selling the Gamo. Anyone else have this same issue? Lastly, I’ve heard that Weihrauch has cut down production costs and as a result, they don’t deburr some of the metal on a few of their models (this includes the HW95). Can someone verify this?