Pimp My Gun…
This is actually pretty cool. It’s pretty smooth, a lot of interesting options.
Pimp My Gun offers many types of weapons for you to build, ranging from pistols to sniper rifles and machineguns. There are also many accessories available, such as:
flip-up sights, scopes, tactical grips, rail systems, bipods, flash hiders, silencers, stocks, magazines, and more.