Sinner Mass Fabrications

We are Veteran owner and operated gun shop in San Antonio, Texas. We have our 07 FFL& SOT to assist with transfers, and all your firearm and ammo needs. We use a 4 axis CNC machine for milling and custom designs. We are certified Cerkote applicators for firearms, sporting equipment, marine gear, tumblers, and other accessories. We also provide laser engraving, which can be applied to firearms, personalized gifts, smart phones, frame stippling, trophies, shop tools, metal plates, other materials. Our passion is creating one of a kind products for our customers. We carry unique aftermarket slides, triggers, barrels, along with other firearm parts.