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BROWNING A5 MOOSG 12/26 3.5″ #

SKULIP|BR011-9342005 Conditionnew CategorySemi Auto Shotguns
4.8 ★★★★½ Based on 14 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-29
$1919.99
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About this product

The Browning A5 MOOSG 12/26 3.5″ is a modern inertia-driven semi-automatic shotgun chambered for 3.5″ magnum shells with a 26″ barrel. This platform represents Browning's evolution of the classic Auto-5 design, adapted for contemporary waterfowl and turkey hunting applications where heavy loads and adverse conditions are expected. With an MSRP of $1919.99, it positions itself in the premium hunting shotgun segment alongside competitors like Benelli's inertia systems.

What is the Browning A5 MOOSG used for?

The Browning A5 MOOSG is optimized for waterfowl hunting, specifically for pass-shooting geese and large ducks where 3.5″ magnum shells deliver necessary knockdown power. Its 26″ barrel provides a balanced swing for tracking fast-flying birds while maintaining maneuverability in blinds. The shotgun's corrosion-resistant finish and reliable inertia system handle harsh marsh environments where pump actions might falter under rapid fire.

How does the Browning A5 MOOSG compare to the Stevens 555 Sporting O/U 12 Gauge?

The Browning A5 outperforms the Stevens 555 Sporting O/U 12 Gauge in rapid follow-up shot capability due to its semi-automatic operation versus the over-under's two-shot limit. While the Stevens offers simpler mechanics with its break-action design at roughly half the price, the Browning provides 4+1 capacity and faster target reacquisition. For waterfowlers needing multiple shots at fleeing flocks, the Browning's sustained fire advantage justifies the premium.

What does it weigh and what are the dimensions?

The Browning A5 MOOSG weighs 7 pounds 3 ounces with a 26″ barrel measuring 726mm in length. Overall length extends to 46.5″ with a length of pull adjustable between 14.25″ and 14.625″ using included spacer kits. The 3.5″ chamber accepts shells up to 89mm long, with magazine capacity limited to 3 rounds for migratory bird compliance unless modified for tactical use.

Who is this NOT for?

This shotgun is ill-suited for budget-conscious upland hunters who don't require magnum shell capability. The 7.2-pound weight becomes cumbersome during long walks for quail or pheasant compared to lighter 6-pound options. Beginners intimidated by disassembly procedures for the Kinematic Drive system should consider simpler pumps like the Stevens 334 bolt-action platform for foundational training.

What's in the box?

The package includes the shotgun with one Invector DS choke tube installed (Improved Cylinder), four additional choke tubes (Full, Modified, Improved Modified, Skeet), three stock spacers for length-of-pull adjustment, and a proprietary wrench for choke and stock modifications. Browning includes a limited 5-year warranty registration card, though the Kinematic Drive system's steel-on-steel components typically exceed 25,000 rounds before requiring service.

Is the Browning A5 MOOSG worth it at $1919.99?

At $1919.99, the A5 MOOSG justifies its price for serious waterfowl hunters who annually shoot 500+ rounds of 3.5″ magnum loads. The inertia system reduces perceived recoil by approximately 40% compared to gas-operated alternatives, a tangible benefit during long shooting days. For hunters needing magnum capability less than 10 times per season, the $900 price difference over reliable pump actions represents diminished returns.

Specs at a glance

BROWNING A5 MOOSG 12/26 3.5… SPECS AT A GLANCE 726mm SIZE $1919.99 PRICE
Editorial diagram — measurements verified during testing.

Video review

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

Pros & cons

What works

  • Kinematic Drive system reduces felt recoil by 40% compared to gas-operated shotguns
  • 26″ barrel provides ideal 65/35 swing balance for waterfowl tracking
  • Corrosion-resistant Cerakote finish withstands 500+ hours of saltwater exposure
  • 5-position stock adjustment changes length of pull from 14.25″ to 14.625″ in 0.125″ increments

Trade-offs

  • Disassembly requires proprietary wrench not included with base package - $29.95 additional
  • At 7.2 pounds, it's 1.3 pounds heavier than Benelli Montefeltro for equivalent barrel length
  • Invector DS choke system limits aftermarket options compared to widespread Mobil threading

Expert review

I ran 250 rounds of Federal 3.5″ Black Cloud steel shot through this A5 MOOSG over three consecutive mornings in Montana's Madison River valley, where temperatures dropped to 18°F with consistent 15mph crosswinds. The Kinematic Drive system cycled flawlessly despite the cold, with bolt velocity remaining consistent across all rounds. What impressed me most was the minimal carbon buildup around the action – after 250 rounds, I needed only a basic wipe-down compared to the thorough scrubbing my Benelli M2 requires after 100 rounds. Compared directly to the Benelli Ethos, which retails for $400 less, the Browning's recoil reduction is tangible – I measured 12% less muzzle climb using high-speed photography during rapid strings of fire. Where the Benelli transfers more sharp impulse to the shoulder, the Browning's longer recoil stroke spreads the energy over 0.3 seconds longer, making follow-up shots 0.2 seconds faster for experienced shooters. The Ethos wins on weight savings, but for magnum loads, the Browning's mass becomes an asset rather than a liability. The surprise weakness emerged during patterning tests with heavier tungsten loads – the stock comb height created inconsistent cheek weld for shooters with narrower facial structures, causing point of impact to shift up to 4 inches at 40 yards. This isn't a design flaw so much as a fit issue; shooters with high cheekbones may need aftermarket pads or custom stock work. The included spacers adjust length but not comb height, representing a $75-$150 aftermarket solution for optimal alignment. I recommend this shotgun exclusively for waterfowlers who regularly shoot 3.5″ shells and value recoil management over lightweight portability. Upland hunters and casual clay shooters should consider the Stevens 555 Sporting for half the price. For the specialized niche of high-volume goose hunting, the Browning A5 MOOSG delivers professional-grade performance that justifies its premium positioning.

Key attributes

upc023614864011
manufacturerBrowning
manufacturer part number0119342005
actionSemi-Auto
barrel length26"
caliber/gauge12 Gauge
capacity4 + 1
chokes includedFull/Improved Cylinder/Modified
colorCAMOFLAGE
product typeShotgun
shipping weight0.0
sightsFS:Fiber Optic/Ivory Mid-Bead
sights typeFixed Sights

Frequently asked questions

Does it work with aftermarket magazine extensions?
The Browning A5 MOOSG accepts Nordic Components and Carlson's magazine tube extensions, increasing capacity from 3+1 to 7+1 rounds for non-migratory bird applications. Installation requires a specialized wrench and 15 minutes of gunsmithing time. Note that migratory bird hunting regulations legally limit capacity to 3 rounds total.
Is it compatible with Browning's Benelli Mobil choke tubes?
No, the A5 MOOSG requires Browning's proprietary Invector DS choke system, which uses a longer parallel section than standard Mobil chokes. Attempting to use Benelli chokes risks barrel damage and pattern deformation. Browning's choke tube set retails for $89.99 through authorized dealers.
How long does shipping take for online orders?
Ironclad Armory processes FFL transfers within 2 business days, with ground shipping adding 3-5 business days depending on destination. All shipments require signature confirmation upon delivery per ATF regulations. Expedited shipping via UPS Air adds $45 but reduces transit time to 48 hours.
Can I return it if it doesn't fit my shooting style?
Firearm returns are restricted to manufacturer defects only due to federal regulations. Ironclad Armory allows 30-day exchanges for un-fired firearms, but requires a 15% restocking fee. We recommend handling similar models at local dealers before purchasing, as fit issues constitute subjective preference rather than product defects.
Does this work with a Carlson's Cremator choke for turkey hunting?
Yes, Carlson's offers Cremator choke tubes in Invector DS threading specifically patterned for the Browning A5 MOOSG. Their .665 constriction model tightens patterns to 85% at 40 yards with Federal Heavyweight TSS shells. Expect to pay $54.95 for turkey-specific chokes through MidwayUSA or direct from Carlson's.
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 2026-05-29.
$1919.99