Ruger GP100 .357 Mag Leather Holster Open Bottom OWB
Built for serious GP100 carriers who want flexibility without compromise.
Tested fit for the Ruger GP100 .357 Mag with a 3 inch barrel, this open-bottom OWB leather holster is designed to support multiple real-world carry positions without sacrificing retention or comfort.
Whether you carry strong side on the hip, prefer an FBI cant for a faster draw, or rely on crossdraw for seated or long-wear use, this holster is built to adapt. You choose the draw side, tooling style, and leather color to match how you actually carry.
Why You’ll Like It
- Confirmed test fit for Ruger GP100 .357 Mag (3 inch barrel)
- Open-bottom design also accommodates 2.5 inch, 4.2 inch, 5 inch, 5.5 inch, and 6 inch barrel models
- True three-way carry support without re-holstering issues
- Available in left-hand or right-hand draw (not ambidextrous)
- Secure retention strap for active carry and movement
- Handcrafted full-grain leather that breaks in naturally over time
Three-Way Carry Explained
This holster is designed to support three proven OWB carry positions:
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Strong Side Carry – Traditional hip carry with a neutral draw angle
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FBI Mount (Forward Cant) – Angled forward for quicker draw and concealment under a jacket
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Crossdraw Carry – Ideal for seated carry, driving, or long hours on horseback or equipment
Carry position depends on belt placement and orientation. This holster supports all three without compromising fit.
Fit & Sizing
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Confirmed test fit: Ruger GP100 .357 Mag with a 3 inch barrel
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Open-bottom compatibility: Also accommodates 2.5 inch, 4.2 inch, 5 inch, 5.5 inch, and 6 inch barrel models
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Design: Open-bottom construction allows longer barrels to extend naturally while maintaining secure retention
Open-bottom construction helps reduce muzzle wear, improves drainage, and provides the flexibility to carry multiple GP100 barrel lengths with the same holster.
Details & Specs
- Carry style: OWB (Outside the Waistband)
- Carry positions: Strong Side, FBI Cant, Crossdraw
- Draw side: Left-hand or Right-hand (select before checkout)
- Holster bottom: Open
- Holster length: 6 inches
- Material: Genuine full-grain leather
- Tooling options: Basket Weave, Shell Tooled, Floral Tooled
- Color options: Black, Brown, Tan
- Retention: Leather strap closure
Build a Stable Carry Setup
A revolver this size deserves proper support. Pair your holster with a quality Leather Belt, browse our full collection of Leather Holsters, add a Leather Ammo Carrier, or complete your setup with a Cartridge Belt.
Helpful Guides to Dial In Your Carry
Improve comfort and long-term carry performance with these guides: How to Choose the Right Holster for Your Firearm, Where Should a Leather Holster Sit on Your Belt, and Building a Stable Carry Setup.
Shipping and Returns
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Ships within 24 hours (business days)
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30-day returns on unused items in original condition
FAQ
Is this holster tested for the Ruger GP100?
Yes. This holster is physically tested with a Ruger GP100 .357 Mag featuring a 3 inch barrel for a verified fit.
Will it fit other Ruger GP100 barrel lengths?
Yes. The open-bottom design also accommodates Ruger GP100 models with 2.5 inch, 4.2 inch, 5 inch, 5.5 inch, and 6 inch barrels while allowing the muzzle to extend through the bottom of the holster.
What does three-way carry mean?
The holster supports Strong Side, Crossdraw, and FBI Cant carry positions depending on how it is worn on your belt.
Do I need a dedicated gun belt?
A quality Leather Belt provides better stability, reduces holster movement, and improves comfort throughout the day.
