Training
3 programs
Sierra Marksmanship and Defense
Firearm Instructor in Johnstown, CO
Sierra Marksmanship and Defense provides private and group firearms training courses in Colorado and Wyoming, taught by U.S. Special Operations and High Threat Security Veterans with over 13 years of combat experience.
- Area
- Johnstown CO
- Website
- sierramarksmanship.com
Quick Answers
Are classes listed?
3 course offerings
Training Programs
Course
Pistol Courses
- Format
- In Person
Minimum class size of 4, max 12. Requires pistol (semi-auto recommended), minimum 3 magazines, 400 rounds of appropriate ammo (no steel core, armor piercing, tracer, incendiary), pistol belt with holster and magazine storage, closed-toed shoes, full leg pants, eye and ear protection.
Course
Carbine/Rifle Courses
- Format
- In Person
Minimum class size of 4, max 12. Requires rifle/carbine (.223 to short action .30 caliber, AR-15/AR-10 recommended), rifle sling, optic, 600 rounds of appropriate ammo (no steel case or armor piercing), chest rig or gun belt with 3 magazines, eye and ear protection, closed-toed shoes, full leg pants. Intermediate/Advanced: pistol with 3 mags and 200 rounds r...
Course Beginner
Precision Rifle Courses
- Format
- In Person
Three 8-hour days of training. Requires rifle chambered in .223 to long action .30 caliber with optic, 160-240 rounds of match ammo (no steel case or armor piercing), sling, bipod/shooting bags, eye and ear protection, full leg pants, closed-toed boots. Applied Ballistics software or Kestrel required for Intermediate/Advanced; recommended for Basic. Pen, not...
Listing Snapshot
- Primary category
- Firearm Instructors
Profile Details
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Listed In
Firearm Instructors
Sources and Updates
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Sources checked include sierramarksmanship.com.
Last reviewed: July 11, 2026.
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