Green Mountain Guns
Green Mountain Guns opened its doors in 1972 and has been a fixture in the Denver area ever since. What started as a family passion for firearms has grown into a full-service operation handling retail sales, gunsmithing, custom work, training, and estate transactions. They're located in Sheridan at ...
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Green Mountain Guns opened its doors in 1972 and has been a fixture in the Denver area ever since. What started as a family passion for firearms has grown into a full-service operation handling retail sales, gunsmithing, custom work, training, and estate transactions. They're located in Sheridan at 3535 S Platte River Dr, Unit F.
Class 3 NFA Licensed Dealer - Stop in for all your NFA needs, including suppressors and short-barreled rifles.
Green Mountain Guns maintains a large inventory of new and used firearms from all major brands:
- •Handguns: Glock, Sig Sauer
- •Rifles: Daniel Defense, Marlin, Winchester
- •AR-15 Components: Timber Creek, Aero Precision, CMC triggers
- •Accessories: Full range including Class 3 NFA accessories
- •Reloading Supplies: In-stock selection
If they don't have what you're looking for in stock, they'll special order it. Monthly specials feature different brands—check their homepage or stop by to see what's featured.
| Service | Details |
|---|---|
| Buy/Sell/Consign | Competitive pricing, fair evaluations, hassle-free process |
| Certified Gunsmithing | Repairs, maintenance, custom modifications |
| Cerakote Finishing | Durable, high-quality finishes (Timber Wolf Tactical partnership) |
| AR-15 Customization | Parts selection, assembly, upgrade assistance |
| Firearm Training | Basic safety, concealed carry, advanced courses |
| Estate Services | Estate buys and sales handled with professionalism |
| Ammunition & Accessories | Holsters, scopes, cleaning supplies, targets |
Their certified gunsmiths handle any project—small repairs to full custom builds. Specialties include in-house AR-15 platform customization with Timber Creek and Aero Precision components. They're Cerakote certified and work with Timber Wolf Tactical for high-quality finishes that stand up to heavy use.
They offer courses for all skill levels: - Basic firearm safety and operation - Concealed carry certification - Advanced precision and tactical training
Their approach emphasizes that firearm ownership is a responsibility—they take time to ensure students are prepared and knowledgeable.
Eligible customers get special discounts on firearms, accessories, and services.
| Day | Hours |
|---|---|
| Monday–Friday | 11 AM – 6 PM |
| Saturday | 11 AM – 4 PM |
| Sunday | Closed |
- •Address: 3535 S Platte River Dr, Unit F, Sheridan, CO 80110
- •Phone: (303) 985-7240
- •Email: [email protected]
- •FFL Transfers: $80 per serial number (includes CBI background check)
- •Private Individual Transfers: $80 flat rate
- •Colorado Background Check Fee: $15 (as of 3/1/2025)
- •Magazine Limit: Colorado law restricts transfers to 15-round maximum magazines. High-capacity magazines available only to authorized law enforcement and military with documentation.
- •No returns or exchanges on firearms, ammunition, or electronics
- •All used and consigned firearms checked against law enforcement databases
- •No loaded firearms in store (except concealed permit holders)
- •Special orders require in-person consultation, background check, and deposit
- •Must be present to pick up special orders
"Our mission is to earn your trust every day by offering a wide selection of top-quality guns and unparalleled customer service."
Green Mountain Guns is a solid choice for Denver-area shooters who want a family-run operation that actually knows their stuff. They've got retail covered, but their real strength is the full-service side: gunsmithing, Cerakote work, AR-15 builds with quality components, and training that takes your skill level seriously. Fifty-plus years in business doesn't happen by accident.