Description
The Mossberg Flex 500 Tactical Tls 12 Ga 3 Inch Chamber 20 Inch Barrel Tan Finish Bead Sight 6-Position Adjustable Black Synthetic Stock 5 Round is a versatile, budget-friendly tactical shotgun built on Mossberg’s proven 500 series. It combines a durable synthetic stock with a tan-finished receiver and a 20-inch barrel, offering a reliable home defense and utility platform at a practical price point. Its standout feature is the adjustable stock system, allowing for a custom fit without extra cost.
Key Features
- 6-Position Adjustable Stock: The black synthetic stock features a six-position adjustable length of pull, letting you tailor the fit for different users or layers of clothing—no gunsmithing required.
- Tactical Configuration: The 20-inch barrel and 5+1 round capacity strike a balance between maneuverability in tight spaces and sufficient firepower for defensive scenarios.
- Durable Finish: The distinctive tan finish on the receiver provides corrosion resistance and a tactical aesthetic, while the bead sight offers a simple, fast-acquisition aiming point.
- Flex System Compatible: Part of Mossberg’s Flex series, meaning you can later swap stocks, forends, and other components with compatible Mossberg Flex accessories for added customization.
- Proven Action: Built on the rugged and time-tested Mossberg 500 pump-action, known for its reliability and simple maintenance.
Specifications & Details
| Gauge/Chamber | 12 Gauge / 3″ Chamber |
| Barrel Length | 20 Inches |
| Overall Length | Approx. 40.5 Inches (Stock Adjusted) |
| Capacity | 5+1 Rounds |
| Sights | Bead Front Sight |
| Stock | Black Synthetic, 6-Position Adjustable |
| Finish | Tan on Receiver, Blued Barrel |
Here’s the thing—at a price of $423.55, this shotgun sits in a sweet spot. You’re getting the core reliability of a Mossberg 500, which is a benchmark for value, plus the added utility of the adjustable stock that you’d typically pay extra for on other models. The weight is a manageable 7 to 7.5 pounds, making it easy to handle for extended periods during training or property patrols. It ships to Missouri and compliant US states, ready for your local FFL transfer.
Who This Shotgun Is For
This model is ideal for the budget-conscious homeowner seeking a dependable, no-fuss home defense tool. It’s also a solid pick for a first-time shotgun buyer who wants a single, adaptable platform for defense and occasional recreational shooting. The adjustable stock makes it a practical choice for households where multiple adults might need to use the firearm, as it can be quickly fitted to different arm lengths.
Pros & Cons: The Practical Tradeoffs
Pros: The primary advantage is undeniable value. You get Mossberg’s legendary reliability and a feature (the adjustable stock) that adds real-world utility without a significant price jump. The 20-inch barrel is a versatile length, and the tan finish offers a bit more personality and corrosion protection than plain black. Being part of the Flex ecosystem means future upgrades are drop-in ready.
Cons: The bead sight is basic; those wanting precision for slugs may desire rifle sights or a optic mount. The synthetic stock, while durable and functional, doesn’t have the premium feel of wood or high-end polymers. It’s a workhorse, not a showpiece. And like all pump-actions, mastering the manual of arms for defense requires consistent practice.
Frequently Asked Questions
Q: Is the adjustable stock easy to modify, and what tools are needed?
A: Yes, it’s very straightforward. The adjustment is typically done via a button or latch on the stock itself, allowing you to slide it through its six positions by hand—no tools required. This makes field adjustments quick and simple.
Q: Can I add a pistol grip to this shotgun?
A: Absolutely. Since it’s a Mossberg Flex model, you can purchase and install a compatible Mossberg Flex pistol grip stock or conversion kit directly, maintaining the ability to swap back to the full stock easily. It also accepts many standard aftermarket Mossberg 500 stocks and forends.
Q: What is the chamber length, and what ammunition can I use?
A: The chamber is 3 inches, so it can safely fire standard 2 3/4-inch shells and the more powerful 3-inch magnum loads. This gives you flexibility in choosing between lower-recoil defense loads and heavier hunting or specialty rounds. Always check your barrel’s choke or markings for specific ammunition recommendations.
For a tactical shotgun that delivers proven performance and practical adaptability without breaking the bank, the Mossberg Flex 500 Tactical TLS represents a smart investment. Its configuration is ready to work right out of the box. See current availability and pricing for this model, available at firearms-missouri.com for Missouri residents and nationwide.




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