?Where is the "Standard Rear Pad for USAS12" installed?
Fits onto the USAS12 stock.
?What bonuses does the "Standard Rear Pad for USAS12" provide?
Standard Rear Pad for USAS12: ergonomics +2, vertical recoil +2, horizontal recoil +4.
?What happens to recoil when using the "Standard Rear Pad for USAS12"?
The part reduces recoil on both axes: by 2 vertically and by 4 horizontally.
?Does the "Standard Rear Pad for USAS12" improve ergonomics?
Yes, ergonomics increase by 2 (Standard Rear Pad for USAS12).