Description
There's a lot to like about a 20 gauge autoloader that weighs in around 6.2 pounds, and the TriStar Viper G2 Pro makes the most of it. This is the upgraded version of TriStar's proven Viper G2 platform, dressed up with a bronze Cerakote steel receiver and high-grade Turkish walnut with cut checkering and a semi-gloss finish. It carries easy on a long upland walk, swings quick on crossing birds, and doesn't look out of place at the sporting clays club either.
A Gas Gun That Eats Everything
The heart of the Viper G2 Pro is its gas-operated action, chambered for 3-inch shells and built to cycle everything from light target loads to heavier hunting loads without fuss. That gas system also does a nice job soaking up recoil, which matters in a gun this light, and the factory rubber recoil pad helps keep things comfortable through a full case of shells. The bolt locks open after your last round, and the 5+1 capacity gives you plenty on tap for the field. TriStar tests this platform hard, and it's backed by a five-year warranty.
Viper G2 Pro Barrel and Choke Setup
The 26-inch vent rib barrel wears a fiber optic front sight that stands out in low light, whether that's a gray morning in the dove field or late afternoon on station five. The chamber and bore are chrome lined for easy cleanup and long-term durability. Choke threading is the Beretta/Benelli Mobil pattern, one of the most common on the market, so aftermarket tubes are everywhere when you want to fine-tune your patterns. Three chokes come in the box along with a wrench, and a shim kit lets you adjust the stock fit to your build.
Where the G2 Pro Fits
This one hits a sweet spot: a genuinely handsome walnut and Cerakote 20 gauge that runs like a workhorse. If you've been wanting a lightweight semi-auto for upland birds, dove season, or weekend clays without stepping up to the price of the big-name Italian guns, the Viper G2 Pro deserves a hard look.
Key Specifications
- Manufacturer: TriStar Arms
- Model: Viper G2 Pro
- Manufacturer Part Number: 24267
- UPC: 713780242675
- Gauge: 20 Gauge
- Chamber: 3 inch
- Action: Gas-Operated Semi-Auto
- Barrel Length: 26 inches, vent rib, chrome lined
- Capacity: 5+1
- Receiver Finish: Bronze Cerakote, steel
- Stock: High-grade Turkish walnut, cut checkering, semi-gloss finish
- Sights: Fiber optic front sight
- Safety: Crossbolt
- Choke Threading: Beretta/Benelli Mobil
- Weight: Approx. 6.2 lbs
- Warranty: 5-year manufacturer warranty
What’s Included
- TriStar Viper G2 Pro 20 gauge shotgun
- Three Beretta/Benelli Mobil-thread choke tubes (Improved Cylinder, Modified, Full)
- Choke box and choke wrench
- Stock shim kit
- Magazine plug
- Owner's manual
Frequently Asked Questions
Will the Viper G2 Pro cycle light target loads reliably?
Yes, that's one of the strengths of this gas system. The 3-inch chamber and gas-operated action are designed to run everything from light 7/8 oz target loads up to heavier hunting loads interchangeably. As with any new gas gun, a short break-in period with mid-weight loads helps everything settle in.
What choke tubes does the TriStar Viper G2 Pro use?
It uses the Beretta/Benelli Mobil choke thread pattern, which is one of the most widely supported in the industry. Three tubes come in the box, Improved Cylinder, Modified, and Full, along with a choke box and wrench. Aftermarket options from Carlson's, Briley, and others are easy to find in Mobil threads.
How does the G2 Pro differ from the standard Viper G2?
The Pro is the step-up version of the platform. It adds a bronze Cerakote steel receiver, higher-grade Turkish walnut with cut checkering and a semi-gloss finish, and ships with a stock shim kit so you can tune the fit. The core gas action and Mobil choke system carry over from the standard G2.
Is this 20 gauge a good fit for smaller-framed or newer shotgunners?
It's a strong choice. At roughly 6.2 pounds with a soft-shooting gas action and a rubber recoil pad, felt recoil is mild even with heavier field loads. The included shim kit also lets you adjust the stock to get a proper fit, which makes a big difference in comfort and consistency.


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