About GUNTOLOGY
Learn about Guntology’s journey, mission, and the team behind our innovative firearm accessories.
Our Team
SAMUEL VESTER
Partner
Samuel Vester is a literal lifelong firearms enthusiast. This guy was shooting local IDPA matches at 9 years old! Born and raised in Laredo, Texas, Sam spent most of his time outdoors doing everything from pistol shooting and long-range shooting to armorer courses and much more. Sam founded Ronin Armory in 2016 and is also Co-Owner of the Arena Gun Club. Sam is an experienced armorer, certified by Sig Sauer, Smith and Wesson, (list the other armors). He is also an advanced Cerakote applicator and a firearms instructor.
SEBASTIAN ESQUIVEL
Partner
A lifelong firearm enthusiast, Sebastian Esquivel got hooked with an old browning .22 lever action when he was around 8 years old. His father and older brother got him interested in and taught him the basics of firearms. In 2016 he founded Daily Gun Dose, one of the most influential gun pages in the US. Sebastian has a background in sales and marketing in the energy industry and international political campaigns. Around 2016, he partnered up with Samuel Vester to form Guntology and joined Ronin Armory in 2022. Sebastian has attended multiple pistol and rifle courses and is certified as an armorer, advanced Cerakote applicator, and instructor.
Kevin Worrell
Director of LE/Military Sales
Kevin Worrell is a seasoned firearms and tactical training expert with 25 years of law enforcement and 26 years of military service. He served 25 years with the U.S. Border Patrol in Laredo, Texas, where he supervised firearms training for approximately 1,900 agents and retired in 2025 as the LRT Firearms, Body Armor, and Ammunition Coordinator.
In addition to his federal service, Kevin dedicated 26 years to the U.S. Marine Corps, including two decades with the Marine Forces Reserve Marksmanship Training Unit (MFR MTU). As a Primary Marksmanship Instructor and Combat Marksmanship Trainer, he trained thousands of Marines to become coaches and combat-ready marksmen. He retired from the Marine Corps Reserve in 2017 with the rank of Gunnery Sergeant and the role of Chief Instructor for the MFR MTU.
OUR STORY
Founded in Texas by lifelong friends and passionate firearms enthusiasts—Samuel Vester, Sebastian Esquivel, and Mike K.—our mission is clear: to design and deliver products we trust, use, and proudly stand behind.
Headquartered in Laredo, Guntology is more than just a company—it’s a passion project rooted in our shared love for firearms and the freedoms they represent.
When we recognized a gap in the market for truly innovative, practical solutions, we took matters into our own hands developing original, in-house designs tailored to real-world needs.
Guntology is built on friendship, fueled by passion, and driven by an unwavering commitment to excellence. When you choose Guntology, you’re not just buying gear—you’re joining a community united by innovation, quality, and the relentless pursuit of perfection.