The Bulldog Cases Ambi Holster for 3"-4" Revolvers – K, L, N Frames (FSN-12, UPC 672352619126) is a tough, versatile nylon holster designed to fit most medium and large-frame revolvers with 3" to 4" barrels, including popular S&W J/K/L/N frames and the Taurus Judge. Built as part of Bulldog’s Extreme Series, this ambidextrous belt-and-clip holster gives revolver owners a comfortable, budget-friendly way to carry on either side of the body with solid protection and reliable retention. Palmetto State Armory+2Arnzen Arms+2
Designed for 3"-4" Barrel Revolvers – K, L, N & More
This FSN-12 model is sized to fit a wide range of medium and large-frame wheelguns:
If you own multiple 3–4" revolvers, this holster gives you a single, flexible solution instead of buying a dedicated holster for each gun.
Ambidextrous Belt Loop & Metal Clip – Carry It Your Way
The Bulldog FSN-12 is a true ambidextrous holster with both a belt loop and metal clip, giving you multiple carry options: Palmetto State Armory+2Arnzen Arms+2
Belt loop for secure OWB (outside-the-waistband) carry threaded through your belt
Metal clip for fast on/off carry on the belt or waistband, OWB or IWB (depending on preference)
Configurable for right-handed or left-handed shooters—just swap the clip to the opposite side
Whether you prefer strong-side, cross-draw, or simply need flexibility for different situations, this ambi design adapts to your style.
Extreme Series 4-Wall Construction – Built Tough
Part of Bulldog’s Extreme Holster line, the FSN-12 uses a four-wall construction to maximize durability and protection: dowdlesports.com+3OpticsPlanet+3Palmetto State Armory+3
Outer wall: Heavy-duty, water-resistant 1200 denier nylon
Inner wall: Vinyl vapor barrier to help block moisture
Deluxe padding: Multiple layers fused together for shock absorption and comfort
Soft, scratch-resistant inner lining to help protect your revolver’s finish
This design gives you a holster that’s tough enough for regular carry, range work, or field use while still being comfortable against the body.
Spine Protector & Soft Interior – Protects Your Gun & Sights
A thoughtful feature of the FSN-12 is its spine protector:
Reinforced spine helps protect your revolver’s front sight from tearing the inner lining during draws and reholstering OpticsPlanet+2Arnzen Arms+2
Soft interior lining cushions the revolver and helps reduce wear on blued or stainless finishes
Combined with the four-wall build, it offers excellent overall protection for everyday carry and transport
Your revolver stays better protected, even with frequent use.
Adjustable Retention Strap with Thumb Break
For security, the Bulldog FSN-12 includes an adjustable retention strap: dowdlesports.com+1
Thumb-break style snap keeps the revolver secure during normal movement
Helps prevent the gun from working loose when bending, running, or riding in a vehicle
With practice, provides quick, repeatable access while still offering peace of mind
It’s a practical balance between retention and speed, ideal for day-to-day carry and range use.
Lightweight, Comfortable & Water-Resistant
Thanks to its nylon construction, this holster is:
Lightweight, so it doesn’t add unnecessary weight to a steel-frame revolver
Water-resistant, making it suitable for outdoor carry in light rain or damp conditions Palmetto State Armory+1
Comfortable for extended wear, especially with the fused padding used in the Extreme series design Palmetto State Armory+1
Perfect for hiking, camping, range days, or everyday concealment with a mid-size wheelgun.
Ideal for Personal Use, Shops & Instructors (12 Per Case)
This model is offered 12 per case, making it a great choice for more than just individual shooters: yellowstone-armory.com
Gun shops and retailers can stock a proven, universal-style revolver holster sized for 3–4" barrels
Instructors and training schools can equip students and loaner guns with a single, versatile holster solution
Security teams or departments can standardize on an affordable, ambidextrous holster for multiple revolver models
Buying by the case offers a cost-effective way to outfit multiple users with the same, dependable design.
Key Features & Specifications – Bulldog FSN-12 Ambi Revolver Holster
Brand: Bulldog Cases
Series: Extreme Belt & Clip Ambidextrous Holster
Model Number / Size: FSN-12 (Size 12)
UPC: 672352619126 Arnzen Arms+1
Color: Black
Material: Heavy-duty 1200D water-resistant nylon with padded interior Palmetto State Armory+2Impact Guns+2
Fitment: Most revolvers with 3"–4" barrels – S&W J/K/L/N frames, Taurus Judge, Colt Python, SAA-style revolvers Palmetto State Armory+2Arnzen Arms+2
Carry Options: Ambidextrous belt loop & metal clip (OWB / IWB versatility) Palmetto State Armory+2Impact Guns+2
Construction: Four-wall build with vinyl vapor barrier, deluxe padding, and soft, scratch-resistant inner lining
Extras: Spine protector, adjustable retention strap with snap
Case Pack: 12 holsters per case (ideal for retailers and instructors) yellowstone-armory.com
If you’re looking for a durable, ambidextrous nylon holster that fits most 3"–4" barrel revolvers—including S&W K, L, N frames and similar models—the Bulldog Cases Ambi Holster FSN-12 (UPC 672352619126) is a smart, affordable choice. With its Extreme-series construction, belt/clip versatility, and true ambidextrous design, it’s perfect for everyday carry, range use, or outfitting multiple revolver shooters at once.
The End
