Mossberg Patriot 400 Legend 20 in Walnut
Pros & cons
What works
- Externally adjustable LBA trigger with a 2.5 to 7 lb range — no disassembly required.
- 11/16×24 threaded 20-inch barrel ready for suppressor use — no gunsmithing needed.
- Real American walnut stock — more durable and classic than the laminate on many competitors.
- Spiral-fluted bolt reduces weight and binding — cycles smoother in dirty conditions.
Trade-offs
- No thread protector or muzzle device included — potential for $15-$50 additional cost.
- Strictly a hunting cartridge — .400 Legend ammo costs ~$1.75/rd vs. ~$0.80/rd for .308 Win.
- Limited aftermarket support for .400 Legend-specific accessories compared to mainstream calibers.
- Basic box magazine — lacks the anti-tilt follower design found on higher-end systems.
Video review
Expert review
Specs at a glance
About this product
The Mossberg Patriot 400 Legend 20 in Walnut is a utilitarian hunting rifle engineered for reliable performance in states with straight-wall cartridge hunting regulations, combining a 20-inch precision-machined barrel with classic American walnut furniture. This bolt-action rifle represents Mossberg's approach to modern hunting restrictions by adopting the .400 Legend cartridge, offering hunters a compliant option without sacrificing terminal ballistics. It's built with field-serviceable simplicity in mind, featuring an adjustable trigger and a threaded muzzle for suppressor compatibility right out of the box.
What is the Mossberg Patriot 400 Legend 20 in Walnut used for?
The Mossberg Patriot is primarily a dedicated hunting rifle for whitetail deer and similar medium game in states requiring straight-wall cartridges for specific zones or firearms seasons. Its 20-inch barrel with a 1:16" twist rate is optimized for stabilizing .400 Legend projectiles up to 265 grains at effective woodland ranges. The 11/16×24 threaded barrel and 40.25-inch overall length also make it a viable, compact candidate for Form 1 suppressor paperwork or for use as a suppressor host on permitted land.
How does the Mossberg Patriot 400 Legend compare to the Stevens 334?
The Mossberg Patriot provides a distinct advantage in cartridge selection and traditional aesthetics, whereas the Stevens 334 Rifle in .308 Win is a more versatile and powerful all-around hunting platform. The Patriot's .400 Legend chambering is its raison d'être, offering a legal hunting solution in regulated zones where the .308 Winchester may be prohibited, while the synthetic-stocked Stevens 334 is better suited for harsh-weather durability and longer-range applications outside those specific regulations.
What does it weigh and what are the dimensions?
The rifle weighs approximately 6.5 pounds unloaded, with an overall length of 40.25 inches and a 20-inch barrel. The walnut stock measures 13.5 inches in length of pull, and the detachable magazine has a capacity of 4+1 rounds. The 20-inch barrel contributes to a balanced swing weight and a compact profile, making it approximately 2 inches shorter overall than many standard 22-inch barreled hunting rifles, which is advantageous in dense blinds or thick brush.
Who is this NOT for?
This rifle is a poor choice for long-range precision shooters or hunters operating outside straight-wall cartridge jurisdictions. Its 1:16" twist and .400 Legend chambering limit effective range to roughly 250 yards with factory ammunition, making it unsuitable for Western mountain or prairie hunting where a cartridge like the 6.5 Creedmoor excels. It's also not ideal for a first-time rifle buyer who may want to train extensively at the range, as .400 Legend ammunition is more specialized and often more expensive per round than common calibers like .223 Remington.
What's in the box?
You receive the rifle, one 4-round detachable box magazine, and a set of basic documentation including an owner's manual. Unlike some competitors that include a scope base or thread protector, Mossberg ships this rifle with the barrel threads exposed; you'll need to purchase a thread protector or direct-thread muzzle device separately to prevent damage. The manual details the LBA trigger adjustment procedure, which requires a 3/32" hex key not included in the package.
Is the Mossberg Patriot 400 Legend worth it at $572.99?
At $572.99, it represents solid value for a hunter who specifically needs a .400 Legend platform and appreciates a real walnut stock and an adjustable trigger. You're paying a marginal premium over a purely synthetic-stocked utilitarian rifle, but that premium buys a more durable and classic-styled stock material and Mossberg's proven LBA trigger system. For a hunter in a straight-wall state, it's a purpose-built tool that avoids the regulatory gray area of modifying other rifles; for everyone else, a rifle like the Stevens 334 in .308 Win offers more versatile performance at a similar or lower price point.
Key attributes
| upc | 015813281768 |
| manufacturer | Mossberg |
| manufacturer part number | 28176 |
| action | Bolt Action |
| atf type | RIFLE |
| barrel finish | Matte Blued |
| barrel length | 20" |
| caliber/gauge | .400 Legend |
| capacity | 4 + 1 |
| color | Blue |
| length | 46.375 |
| number of magazines | 1 4 rd. Box Mag |
| package height | 3.6 |
| package width | 9.2 |
| product type | Rifle |
| safety | Crossbolt |
| shipping weight | 8.8 |
| sights | No |
| thread pattern | 11/16"x24 |
| magazine included | 1 x 4-Round |
| model | Patriot |
Frequently asked questions
- Is the barrel threaded for a suppressor?
- Yes, the barrel has 11/16×24 threads cut directly into the muzzle. This is a common thread pitch for .45 caliber suppressors, and you will need a thread protector or compatible muzzle device as none is included. Always verify your suppressor's manufacturer specifications for .400 Legend compatibility before mounting.
- What is the magazine capacity?
- The factory detachable magazine holds 4 rounds of .400 Legend. With one round chambered, the total capacity is 4+1. Spare magazines are available from Mossberg and aftermarket suppliers, typically retailing between $25 and $35 each.
- Does it come with a scope mount?
- No, the rifle ships without any optic mounting system. The receiver is drilled and tapped for a standard scope base (weaver-style pattern), which you must purchase separately. I recommend a one-piece base from a manufacturer like EGW or Warne for optimal rigidity.
- Can the trigger pull weight be adjusted?
- Yes, using Mossberg's patented LBA (Lightning Bolt Action) trigger system. The pull weight is externally adjustable from approximately 2.5 to 7 pounds with a 3/32" hex key. The adjustment screw is located in front of the trigger, and the mechanism is simple and reliable with no gunsmithing required.
- How long does shipping take to an FFL?
- Ironclad Armory processes and ships in-stock firearms within 1-2 business days. Transit time varies by carrier and destination, but most shipments arrive at your chosen Federal Firearms License (FFL) holder within 5-7 business days. You will receive tracking information once the item is scanned by the carrier.