Custom Firearm designer and builder. Take your existing firearm or any brand new firearm and integrate a unique trigger or barrel, any color or style. Why have the same firearm as anyone else? Make it your own firearm. From bolt- action to semi-auto rifles to shotguns and handguns. L&L Trading Company can make self-defense or hunting, individualized. We currently offer custom 7075 billet lower receivers and are in the process of including bolt-action rifles and semi-auto .308 rifles.