Background
Joshua Glasscock purchased a Sig Sauer P320 handgun without an external manual safety. He filed suit under the Missouri Merchandising Practices Act, alleging the P320 is defective because it lacks a manual safety, has a light trigger pull, and is immediately capable of firing once a round is chambered. Glasscock sought to represent a class of all Missouri residents who purchased P320s without external safeties for personal use since September 2017.
The district court granted class certification. Sig Sauer appealed, contending that Glasscock lacked Article III standing. Notably, Glasscock admitted in his pleadings that he had never experienced an inadvertent discharge or any other problems with his pistol.
The Court’s Holding
The Eighth Circuit vacated the class certification order and remanded with instructions to dismiss the complaint for lack of subject-matter jurisdiction. The court held that Glasscock lacks Article III standing because he failed to demonstrate an “injury in fact” as required by the Constitution. Under the court’s precedent—the “manifest defect rule”—a product-defect plaintiff must show that the alleged defect has actually manifested in his product. Merely owning a product that poses a risk of defect is insufficient.
The court rejected Glasscock’s argument that the P320 suffers from a universal design defect present in every gun. The court explained that Glasscock’s theory amounts to alleging only that the gun’s design predisposes it to inadvertent discharge—a potential risk rather than an actual injury. The fact that the purported danger “has not come to pass is fatal to Glasscock’s standing.” The court also rejected Glasscock’s benefit-of-the-bargain argument (that the gun is worth less due to the alleged defect) as speculative and unsupported by anything more than an expert’s conclusory statement.
The court distinguished the case from In re Zurn Pex Plumbing Products Liability Litigation, where dry plaintiffs could establish standing because the defect (stress corrosion cracking) had manifested in all plumbing systems. Here, Glasscock could not show that the P320 actually fires when the user does not intend it to.
Key Takeaways
- Product-defect plaintiffs must show an actual, concrete injury—not merely that a product poses a potential risk of injury, even if that risk is inherent to all units of the product.
- The “manifest defect rule” requires that the specific defect alleged has actually manifested in the plaintiff’s product to establish Article III standing.
- Universal design-defect theories cannot overcome the manifest defect rule; the danger must actually materialize in the plaintiff’s product.
- A class cannot be certified if its members lack individual standing; speculative economic injury (diminished value without actual defect manifestation) is insufficient.
Why It Matters
This decision raises the bar for product-liability class actions by reinforcing that design-defect claims require proof of actual injury, not theoretical risk. Plaintiffs can no longer sidestep standing requirements by alleging that a product’s design creates an inherent danger to all units if that danger has not yet materialized in their particular product. The ruling protects manufacturers from facing class actions based solely on the allegation that their product is designed in a way that could cause injury.
The decision has particular significance for products with inherent risks—whether firearms, machinery, or pharmaceuticals. It signals that absent actual harm, ownership alone does not confer standing to sue for defects. This approach aligns with Article III’s requirement for concrete, particularized injury rather than generalized grievances about product design.