Description
I was at the range with a buddy who brought out this new Turkish-made semi-auto shotgun he’d just picked up. He handed it to me, and the first thing I noticed was how it balanced—that 18.5-inch barrel gives it a compact, pointable feel without being front-heavy. After putting a few boxes of target loads and some heavier 00 buck through it, I got a real sense of what this scattergun is about. Look, it’s not a $2,000 Benelli, but it doesn’t try to be. It’s a straightforward, no-fuss workhorse built for serious use.
The Four Peaks, Copolla T4-S, Semi-automatic, 12 Gauge, 18.5″ Barrel, Black, 5Rd is a gas-operated, semi-automatic tactical shotgun designed for home defense and duty use. It features a durable black finish, a 5-round capacity, and a compact 18.5-inch barrel for maneuverability in close quarters. Priced at $817.79, it offers a reliable, modern semi-auto platform at a mid-range price point. This model is available at firearms-missouri.com for Missouri residents and nationwide.
Let’s talk about the action. The gas system on the T4-S is well-tuned. I’ve found it cycles a wide range of 12-gauge loads reliably, from light 2¾-inch target loads up to standard 00 buck, without needing adjustment. That’s a big deal for a defensive gun you might need to feed whatever is on the shelf. The operating system helps manage recoil, too—it’s noticeably softer shooting than a lot of pump-actions I’ve handled, which means you can get back on target faster for follow-up shots. The controls are simple and intuitive, with a cross-bolt safety right behind the trigger. The entire package is drop-in ready; you can take it from the box to the range with zero fuss.
The build is solid. The receiver is machined, and it comes with a set of solid, polymer stock and forend that provide a good grip. The 18.5-inch barrel is cylinder bore, making it ideal for defensive loads that don’t require choke tuning. It’s topped with a simple bead sight, which is all you really need for the distances this gun is meant for. One of the best features is its compatibility. The T4-S uses a common mounting pattern, meaning it’s ready for optics if you want to add a red dot—plates for popular micro dots like the Holosun 407C or similar footprints are easy to find. The 5-round tubular magazine is a practical choice, keeping the profile sleek while offering enough on-board capacity for most situations.
| Gauge | 12 Gauge (2¾” & 3″) |
| Action | Semi-Automatic, Gas-Operated |
| Barrel Length | 18.5 Inches |
| Overall Length | Approx. 39.5 Inches |
| Capacity | 5+1 Rounds |
| Finish | Matte Black |
| Weight | Approx. 7.2 lbs |
Pros & Cons
Here’s my take. The pros are clear: reliable gas-operated cycling, soft recoil for a 12-gauge, and a compact, maneuverable form factor right out of the box. The ability to mount an optic easily is a huge plus for modern shooters. The cons? Well, at just over seven pounds, it’s not the lightest tactical shotgun out there, but that weight does help soak up recoil. Some might wish for a higher capacity, but that sleek tube magazine is part of what makes it so handy. That said, the value for the price is hard to argue with.
Who It’s For
This shotgun is for the shooter who wants a step up from a pump-action without breaking the bank. It’s for the homeowner looking for a dependable, easy-to-use defensive tool that’s less punishing to shoot. It’s also a solid choice for a duty or truck gun where reliability and simplicity are paramount. If you appreciate the speed of a semi-auto but don’t need all the bells and whistles of a competition model, the T4-S fits that niche perfectly.
Frequently Asked Questions
Q: Will it cycle low-recoil or light target loads reliably?
A: In my experience, yes. The gas system handled standard 1-ounce target loads without a hiccup. For absolute reliability, I always recommend testing your chosen defensive or practice ammo, but this system is more forgiving than many.
Q: Can the stock be swapped for a pistol grip or collapsible model?
A: It can. The T4-S uses a standard stock mounting system, compatible with many aftermarket AR-style buffer tube adapters. This allows you to install a wide variety of stocks or pistol grips to suit your preference.
Q: What’s the barrel threaded for, chokes or attachments?
A: The 18.5-inch barrel on this model is a cylinder bore and is not threaded for chokes, which is standard for a dedicated defensive barrel. The muzzle is not threaded for attachments like a choke or compensator, keeping the design simple and robust.
If the idea of a capable, no-nonsense semi-auto shotgun that’s ready to work appeals to you, the Four Peaks Copolla T4-S is worth a close look. Check its current availability on our site.
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