July 2026 — Thomasville, GA — Check-Mate, a leading American manufacturer of firearm magazines, is proud to announce its sponsorship of World Champion pistol shooter Jessie Harrison. One of the most accomplished competitors in the shooting sports, Harrison will rely on Check-Mate magazines in competition while representing the company’s commitment to quality, reliability, and American craftsmanship.
For more than 50 years, Check-Mate has earned the trust of military, law enforcement, commercial, and competitive shooters by manufacturing dependable firearm magazines built to perform when it matters most. With vertically integrated manufacturing facilities in New York and Georgia, every magazine is produced to exacting standards that deliver the consistency and reliability shooters demand.
Harrison is widely recognized as one of the most accomplished pistol shooters in the world. She made history as the first woman to earn Grand Master status in the United States Practical Shooting Association (USPSA) and has captured numerous World Speed Shooting Championship, Steel Challenge, Bianchi Cup, and USPSA National Championship titles throughout her career.
“Jessie has built her career on precision, consistency, and performing under pressure,” said David Blenker, Chief Business Development Officer for Check-Mate. “Those are the same qualities we strive for in every magazine we manufacture. She’s an outstanding ambassador for the shooting sports, and we’re excited to have her representing Check-Mate both on and off the range.”
“I’m honored to join Check-Mate and be a part of the team that is the leading firearm magazine manufacturer,” said Harrison. “Mags are one of the most understated pieces of equipment but are one of the most important. Check-Mate prioritizes quality and reliability and that’s what I look for going into competitions. I believe this will be the beginning of a wonderful partnership and look forward to what it will bring!”
As a member of Team Check-Mate, Harrison will compete using Check-Mate magazines while working alongside the company to highlight the importance of dependable equipment in competitive shooting. Her partnership reinforces Check-Mate’s dedication to supporting the athletes who demand the highest level of performance from every piece of their gear.
Learn more at Check-Mate.com.
About Check-Mate:
Check-Mate is a U.S.-owned, vertically integrated manufacturing partner specializing in high-reliability firearm components and magazine systems for leading OEMs. With over 100 million magazines delivered since 1972, Check-Mate is built to support mission-critical platforms, delivering the durability, consistency, and scale required for today’s demanding firearms programs.
Operating from U.S.-based facilities in West Babylon, NY, and Thomasville, GA, Check-Mate provides true end-to-end manufacturing—from engineering and in-house tool and die production to progressive metal stamping, deep draw, CNC machining, injection molding, welding, heat-treat coordination, finishing, and final assembly.
Check-Mate supports rapid prototyping through high-volume production across carbon and stainless steels, engineered polymers, and specialty alloys. ISO-certified quality systems, ITAR registration, advanced CMM/metrology labs, and APQP/PPAP processes ensure repeatable performance, tight tolerances, and program confidence at scale.
Known as a trusted OEM partner for magazine systems and other mission-critical firearm components, Check-Mate emphasizes engineering collaboration, domestic manufacturing, and supply chain reliability. Designed for durability and built to scale, Check-Mate helps firearms manufacturers launch faster, produce reliably, and protect their brand in the field.
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