About Us


Hatfields Gunsmithing Inc. was founded in 2008 by Sam Hatfield, Colorado School of Trades graduate and former United States Army Marksmanship Unit gunsmith. After building guns for the most elite shooters in the world, Sam Hatfield has brought his finely crafted one-of-a-kind firearms to the civilian market.  Mr. Hatfield is a Sig Sauer Academy qualified Master Pistol Instructor, Master Rifle Instructor, Master Shotgun Instructor, Select Fire Instructor, Active Shooter Response Instructor, and Concealed Carry for Instructors.  

HGI offers many services that can benefit every type of shooter, from beginner to world class competitors.  Check out our other pages for more detailed information about what we offer.   Come see our staff of gunsmiths and see what we can do for you.


Since 1956, members of the USAMU have gained worldwide respect by winning hundreds of individual and team national titles, more than 40 World Championships, and 22 Olympic medals.  AMU shooters train thousands of Soldiers each year in advanced marksmanship techniques through train-the-trainer clinics. This has become especially important with the continuing wars in Iraq and Afghanistan. Making a Soldier more effective in combat helps save American lives and is the number one mission of the AMU.  The AMU’s Custom Firearms Shop takes lessons learned from success in competition and translates that to success on the battlefield. Through research and development of weapons and ammunition, the CFS has equipped Soldiers in combat with specially modified and especially accurate weapons to help increase their effectiveness on the battlefield.   

Follow this link to the USAMU
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