I could've add a new animation for the left hand upon equipping side attachments but to be honest, the player arm mesh and its bones isn't the best fit so rigging can be quite a pain to do so this is better solution that i intend to stick with. Here's the m16 which doesn't need a foregrip to...
Thanks for the tip but that's not what i meant. This is the clipping issue i was trying to show. So it's obviously that when you start adding flashlight and lasersight you don't want to have this obstruction (pic1). Which is why equipping the foregrip will enable side attachments on many guns...