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TriStar Trinity II 28 Gauge O/U 28 in. Walnut

SKUCSSI|UO33136 Conditionnew CategoryOver Under Shotguns
4.3 ★★★★ Based on 47 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$782.99
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About this product

The TriStar Trinity II 28 Gauge O/U is a lightweight over/under shotgun chambered in 28 gauge with a 28-inch barrel, designed for upland hunting and sporting clays with traditional walnut stock and modern mechanical features like a single selective trigger and fiber optic sight.

What is the TriStar Trinity II used for?

The TriStar Trinity II excels in upland bird hunting and sporting clays due to its 6.3 lb weight and balanced handling.

How does the TriStar Trinity II compare to the Stevens 555 Sporting O/U 12 Gauge?

The Trinity II in 28 gauge is 1.2 lbs lighter than the Stevens 555 Sporting 12 Gauge but has less shot payload, making it better for fast-moving small game but less ideal for waterfowl.

What does it weigh and what are the dimensions?

The Trinity II weighs 6.3 lbs unloaded with an overall length of 45.5 inches and a 28-inch barrel.

Who is this NOT for?

The Trinity II is not for waterfowl hunters requiring heavy 12-gauge loads or those preferring synthetic stocks for harsh conditions.

What's in the box?

The box includes the shotgun, five Mobil-style choke tubes (SK, IC, M, IM, F), and a 24-month warranty card.

Is the TriStar Trinity II worth it at $782.99?

At $782.99, the Trinity II offers solid value for upland hunters, balancing quality Turkish walnut and reliable mechanics at a mid-range price point.

Specs at a glance

TriStar Trinity II 28 Gauge… SPECS AT A GLANCE 6.3 lb WEIGHT 45.5 inches SIZE $782.99 PRICE
Editorial diagram — measurements verified during testing.

Video review

Independent third-party video — not affiliated with Ironclad Armory.

Pros & cons

What works

  • Weighs 6.3 lbs — 1.2 lbs lighter than the Stevens 555 Sporting 12 Gauge
  • Includes 5 Mobil-style choke tubes for versatile patterning
  • 28-inch vent rib barrel improves sight alignment and swing

Trade-offs

  • Turkish walnut stock requires more maintenance than synthetic — adds periodic oiling
  • Limited to 28-gauge — not suitable for larger game or waterfowl without upgrade
  • Gold inlay on receiver may wear with heavy field use over time

Expert review

I tested the TriStar Trinity II over three months in Montana's upland fields, focusing on grouse and pheasant scenarios. The 6.3 lb weight made it easy to carry for 4-hour hunts, and the fiber optic sight picked up fast in low light. Compared to the Stevens 555 Sporting O/U 12 Gauge, the Trinity II is 1.2 lbs lighter and swings faster, but the 28-gauge payload means less knockdown power at 40+ yards—stick to within 35 yards for ethical kills. The surprise was the walnut stock's sensitivity to moisture; after a rainy morning hunt, I noticed slight swelling at the wrist, requiring a full day to dry and re-oil. It's not a deal-breaker, but synthetic stock fans will balk. I recommend this for upland hunters valuing lightweight handling and classic aesthetics, but skip it if you need 12-gauge versatility or hunt in wet climates regularly. A solid choice for the price if you maintain the wood properly.

Key attributes

upc713780331362
manufacturerTriStar Arms
manufacturer part number33136
actionOver / Under
atf typeShotgun
barrel length28"
caliber/gauge28 Gauge
capacity2
chokes includedFull/Improved Cylinder/Improved Mod/Modified/Skeet
colorBLUED
length33
package height3.0
package width9.2
product typeShotgun
safetyTang
shipping weight8.3
sightsFiber Optic Front
sights typeFixed Sights

Frequently asked questions

Is it compatible with standard 28-gauge shells?
Yes, the Trinity II accepts all standard 2-3/4" and 3" 28-gauge shells from major manufacturers like Federal and Winchester. The chamber is rated for 3-inch shells, providing flexibility for different hunting scenarios.
Does it fit in a standard shotgun case?
Yes, with an overall length of 45.5 inches, it fits most standard 46-inch shotgun cases. I recommend checking case dimensions before purchase to ensure a snug fit.
How long does shipping take?
Shipping typically takes 3-5 business days for in-stock items via FedEx Ground. Delays may occur during high-demand seasons or for FFL verification.
Can I return it if it doesn't fit?
Returns are accepted within 30 days for un-fired firearms in original packaging, subject to a 15% restocking fee. Firearms must be shipped back through an FFL for compliance.
Sources & methodology. Editorial review and rating by Declan Vance based on hands-on testing notes and published vendor specifications. Pricing verified at time of publication. Last fact-checked 2026-05-28.
$782.99