The original sound effect does not sound remotely realistic. It sounds like a literal nerf gun or something clanky. I found a high quality sound snip I liked and pasted it in for the silenced varmint rifle. The new sound is real life recorded and basically is heavily silenced(suppressed).
This mod reduces the weight on a few items such as beverages and scrap parts. I've always found myself being weighed down by a bunch of drinks and scrap parts so I made just a few changes with respects to overall game item weight balancing. I did not include booze because I feel it's already balanced appropriately.