TriStar Viper Max 12ga Semi-Auto 30″ 3.5″ Realtree
About this product
The TriStar Viper Max 12ga Semi-Auto 30″ 3.5″ Realtree is a gas-operated hunting shotgun engineered to cycle everything from 2¾-inch target loads to heavy 3.5-inch waterfowl magnums without manual adjustment. It uses a dual-piston inertia system with a secondary piston that stores in the forearm, allowing you to swap between light and heavy recoil impulse settings in approximately 90 seconds with a T15 Torx bit. At 7.4 pounds and with a 30-inch vent-rib barrel, it's built for sustained carry in blinds and for swinging smoothly on crossing birds.
What is the TriStar Viper Max used for?
The TriStar Viper Max is designed for waterfowl and turkey hunting where shell-length versatility is critical. Its 3.5-inch chamber accepts the heaviest magnum loads for extended range on geese, while the dual-piston system ensures reliable cycling with lighter, cheaper 2¾-inch practice ammo. The Realtree Max-7 finish and included Mobil choke tubes (Skeet, IC, Mod, Full) make it a ready-to-hunt package straight from the box.
How does the TriStar Viper Max compare to the Stevens 555 Sporting O/U?
The TriStar Viper Max is better for high-volume waterfowl hunting, while the Stevens 555 O/U excels at target sports and upland game. The Viper Max's 5+1 semi-auto capacity lets you stay on target for multiple passing birds, whereas the Stevens 555's dual-barrel over-under design offers instant choice between two chokes but only two shots before reloading. For recoil management with heavy 3.5-inch shells, the Viper Max’s gas system and recoil pad are superior.
What does it weigh and what are the dimensions?
The shotgun weighs 7.4 pounds (3.36 kg) unloaded and measures 49.5 inches overall with the 30-inch barrel installed. The 30-inch barrel itself has a 0.73-inch external diameter under the vent rib and a chrome-lined bore diameter of 0.729 inches. Its length of pull is 14.5 inches, suitable for most adult shooters wearing layered hunting jackets.
Who is this NOT for?
This is not for a shooter seeking a dedicated clay target gun or a ultra-compact home defense firearm. The 30-inch barrel and 7.4-pound weight make it slow to maneuver in tight quarters compared to an 18.5-inch tactical model. If your primary use is skeet or sporting clays, a dedicated target gun like the Stevens 555 Sporting will have better balance and pointability for that specific task.
What's in the box?
You get the shotgun, four Beretta/Benelli Mobil choke tubes (Skeet, Improved Cylinder, Modified, Full), a T15 Torx key for forearm removal and piston access, a 3mm Allen wrench for the fiber optic sight, and the secondary heavy-load piston stored in a compartment in the synthetic forearm. The choke tubes are shipped finger-tight; use a proper choke tube wrench (not included) for secure installation to 15-20 ft-lbs of torque.
Is the TriStar Viper Max worth it at $862.99?
At $862.99, the Viper Max is worth it for a hunter who needs one shotgun to handle everything from dove to goose seasons without reliability issues. The dual-piston system is a legitimate engineering solution to the semi-auto shotgun's classic 'light load' problem, a feature you'd pay $300+ more for on a premium brand. If you only shoot standard 2¾-inch or 3-inch shells and don't need 3.5-inch capability, a simpler, less expensive semi-auto would be a more efficient use of funds.
Specs at a glance
Video review
Pros & cons
What works
- Dual-piston system handles 2¾" to 3.5" shells—eliminates the classic light-load cycling problem.
- Weighs 7.4 lbs—balances the 30" barrel for smooth swing on waterfowl.
- Includes 4 Mobil choke tubes (Skeet, IC, Mod, Full), a $70-90 value purchased separately.
- Chrome-lined barrel and chamber withstands 3,000+ rounds of steel shot before notable erosion.
Trade-offs
- Synthetic stock has minimal texturing—expect to add skateboard tape for a secure grip with wet gloves.
- The fiber optic front sight is a 3mm non-replaceable rod; tritium night sights are not a direct-fit option.
- Secondary piston swap requires forearm removal with a T15 Torx—not a field-expedient process in cold weather.
Expert review
Key attributes
| upc | 713780241937 |
| manufacturer | TriStar Arms |
| manufacturer part number | 24193 |
| action | Semi-Auto |
| atf type | Shotgun |
| barrel length | 30" |
| caliber/gauge | 12 Gauge |
| capacity | 5 + 1 |
| chokes included | Full/Improved Cylinder/Modified/Skeet |
| color | CAMOFLAGE |
| length | 37.25 |
| package height | 3.0 |
| package width | 7.4 |
| product type | Shotgun |
| safety | Crossbolt |
| shipping weight | 9.8 |
| sights | Fiber Optic Front Sight |
| sights type | Fixed Sights |
Frequently asked questions
- Is it compatible with Benetta/Benelli Mobil chokes?
- Yes, it uses the standard Beretta/Benelli Mobil choke thread pattern. The included set (Skeet, IC, Mod, Full) are genuine Mobil tubes. This means you can use any aftermarket choke from brands like Carlson's or Patternmaster designed for Mobil threads without an adapter.
- Does it fit in a standard 52-inch rifle case?
- Yes, but just barely. The shotgun is 49.5 inches long overall. A standard 52-inch double-rifle case will accommodate it, but you will have minimal room for accessories. For a better fit with chokes and tools, I recommend a 54-inch or larger case from Plano or Pelican.
- How long does shipping take for an online-only item?
- For in-stock items, standard processing is 1-2 business days before shipment. Once shipped, ground transit typically takes 4-7 business days to most continental US locations. All firearms must ship to a valid FFL holder for transfer, which adds a mandatory pickup step.
- Can I return it if it doesn't cycle my light target loads?
- You can initiate a return within Ironclad Armory's standard 30-day window for un-fired, new-in-box merchandise. However, once a round is chambered and fired, the firearm is considered used and is ineligible for return unless a verifiable manufacturing defect is confirmed by our armorers. Always test with the correct piston installed first.