$19.99
24 in stock
Online inventory may differ from in-store availability.Â
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The Bulldog Extreme FSN-21 is built for Ruger Mark style pistols and stands out because of its practical four-wall construction that balances protection with adjustability. The outer shell uses 1200-denier nylon that resists water and scratching, while the inner side pairs a vinyl vapor barrier with padding and soft fabric lining. This combination keeps your gun protected from the elements and dust without adding bulk.
This holster gives you real options when it comes to how you want to wear it. Both a reinforced belt loop and metal clip come standard, so you can use whichever works best with your setup. The ambidextrous design works equally well for right or left-handed carry, which removes any guesswork from the equation. Belt compatibility is straightforward—it handles standard width belts without issue.
One thing that gets overlooked in cheaper holsters is what happens to gun sights over time. The Extreme FSN-21 includes a spine protector that runs along the inside to keep your sights and sight edges from tearing through the lining. It's a small detail that saves the finish and keeps your pistol in field-ready condition. The design fits Ruger Mark models with barrels from 5 to 6.88 inches, which covers most standard and target variations.
This isn't a flashy holster, but that's the point. It works hard for field carrying, range days, or casual use where you need something that won't complain in bad weather or rough handling. Users consistently report the material holds up well, and the construction uses strong stitching throughout. For the kind of versatile, no-fuss carry that actually gets used instead of sitting in a drawer, the Extreme FSN-21 delivers without pretense.
Yes, the FSN-21 is designed to fit Ruger Mark autos with barrels from 5 to 6.88 inches, which includes Mark I, II, III, and IV models as well as the 22/45 variant. If you have a Mark model with a barrel length in that range, it should fit securely. Always verify your specific barrel length before purchasing since some target or specialty configurations may vary.
Absolutely. The ambidextrous design means both the belt loop and metal clip work for right or left-handed carry. You won't need a separate holster if you switch hands or want flexibility in how you carry on a particular day.
Four-wall construction means the holster has multiple layers working together. The outer 1200-denier nylon provides water and scratch resistance, while the inner layers include padding and a vinyl vapor barrier that keeps moisture away from your gun. The soft inner lining prevents marks on the finish. This layered approach balances protection without excessive bulk.
Yes, the spine protector runs along the inside of the holster to keep your gun's sights from tearing the lining during draws and holstering. Over time, this small feature saves the finish and keeps your sights in good condition, which is especially important for precision shooting with a Mark pistol.
| UPC | 672352619218 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FSN21 |
| Color | Black |
| Length | 13.4500 |
| Mount Type | Belt Loop/Clip |
| Product Type | Belt Holster |
| Shipping Weight | 0.4 |
You must be logged in to post a review.
Reviews
There are no reviews yet.