Modern Weapon Systems Gun Store is a highly regarded business in Jefferson County, known for its excellent service and wide selection of firearms and accessories. Customers praise the knowledgeable staff, who are friendly, honest, and willing to help with questions and advice. The store offers a large range of products, including top-tier weapons, AR15 build parts, and NFA Class 3 items, with many in stock to make the buying process easy. They provide minor gunsmithing, laser engraving, and manufacture several high-quality firearm parts, ensuring a diverse inventory. The store is also a Silencer Shop dealer, simplifying the NFA process for customers. Pricing is recognized as very fair, and the staff’s honesty is appreciated, with some customers noting that staff members help them choose the right products for their needs, even offering advice that saves money. Customers feel comfortable browsing without feeling rushed, regardless of their experience level or appearance. Many express high satisfaction with their purchases and the overall experience, highlighting the owner and employees' professionalism and friendliness. Overall, Modern Weapon Systems offers a modern, welcoming environment with competitive prices, expert knowledge, and a commitment to customer satisfaction, making it a top choice for gun enthusiasts in the Saint Louis area.
Amazing buying experience for both my and my partner. Will for sure make this our come back to store.
March 2026
Very nice people, wish I lived closer so I could visit more. Really enjoyed their store. They were a pleasure to do business with!
March 2026
Great shop; a pretty cool selection with eye catching firearms and accessories everywhere. Helped me make an informed decision while purchasing my first AR. Will be coming back.
