Sinner Mass Fabrications is a veteran-owned and operated gun shop in San Antonio, Texas that specializes in a wide range of firearm services. They hold a 07 FFL & SOT license, allowing them to assist with transfers and cater to all of their customers' firearm and ammunition needs. The shop offers a variety of services, including Cerakote application, laser engraving, and custom modifications. Customers have praised their expertise in tasks such as Glock customization, including optic milling, slide porting, and frame stippling. The team is known for their attention to detail and commitment to delivering high-quality, one-of-a-kind products. Despite occasional communication challenges regarding delivery timelines, the reviews highlight Sinner Mass Fabrications' exceptional craftsmanship and customer service. Clients have expressed their satisfaction with the final results, describing their firearms as "impeccable" and "amazing." The shop's veteran-owned status and charitable initiatives, such as their Law Enforcement/Veteran Charity Raffle, have also been praised. Overall, Sinner Mass Fabrications is a trusted destination for firearm enthusiasts seeking specialized services, custom work, and a dedication to excellence in San Antonio, Texas.
Went in for an NFA Engraving and had my rifle back the next day. Quality Service. Very friendly staff. I will be back the next time I need custom work done.
April 2026
I want to say thank you Sinner Mass yall did a really good job cerakoteing my ar and I will be definitely recommending yall and will be back in the the future for cerakote jobs
February 2026
Very knowledgeable and helpful staff. The shop is well kept and organized, and the services are timely and well executed.
