Jun 132018
 

Can it be Dennis Tueller of the infamous Tueller Drill

Dennis Tueller Glock Instructor and Tueller Drill StudyI Left Pueblo about 4 am Tuesday morning and headed north for a Glock Armorers Class to be held in Northern Colorado at Liberty Firearms Institute in Johnstown Colorado. I had scheduled the class several months before and was looking forward to it. One of the local gun emporiums had arranged for me to go under their Dealer Stocking Program. These programs are designed for Law Enforcement and Military and everyone is not eligible to go. The Class was being taught by a Glock Representative who had been with Glock about 15 years by the name of Dennis Tueller. Dennis started the class by telling the group of mostly Law Enforcement Officers a story about his Law Enforcement career in Salt Lake City, Utah where he was a firearms instructor and had other duties with the PD there. After a long Law Enforcement career Glock came along and offered him a job when he retired and now this is what he does full time. Dennis travels and Certifies Glock Armorers.

So the wheels started to turn in my head and the name Dennis Tueller is synonymous with the Tueller Drill that we all study in most good Concealed Carry Classes. That Tueller was also from the Salt Lake City area and so at the break, I had to ask. He smiled and looked at me and said he had not expected anyone to recognize him for that and he was flattered. He then conceded that sometimes people have attached his name to the concept that we all teach about 21 feet especially Massad Ayoob. Anyone who has had one of my classes knows about this study. Dennis was very humble about the whole thing and we talked about those times and he even spoke during class about his training with Jeff Cooper and other industry greats.

In The Tueller Drill study Sergeant Dennis Tueller, of the Salt Lake City, Utah Police Department wondered how quickly an attacker with a knife could cover 21 feet (6.4 m), so he timed volunteers as they raced to stab the target. He determined that it could be done in 1.5 seconds. These results were first published as an article in SWAT magazine in 1983 and in a police training video by the same title, “How Close is Too Close?”

It was amazing to me that the group of young law enforcement officers had no idea who they were spending the next 8 hours with. This guy was old school, 1911, police officer, firearm industry royalty. It turned out he was a great instructor and I enjoyed the class very much. Many of his stories and quips kept us on our toes for the full 8 hours. After the practical portion which consisted of taking 3 generations of Glocks completely apart and putting them back together so they would work, we then had the written exam. Great day, Great Instructor, Great Class. I would love to take a firearms class from this guy and I’m proud to announce I am now a Certified Glock Armorer.

As a Glock Armorer, I am going to be offering some custom services on Glock guns. I have been stippling some gun frames for shooters and changing sites, mag releases and slide stop on Glocks, Sigs, S&W and Walthers to name a few. I have been working on pistols and shotguns for several years mostly for friends and family. Last year I built an AR Pistol that was a lot of fun. I am in the process of customizing a Glock 43 and I will be publishing some pictures when it is done. If anyone is having problems with a Glock I would be glad to look at it.

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