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EAA Girsan MC312 Gobbler 12GA 24-inch 3.5-inch Camo Red Dot

SKULIP|EU390155 MPNMC312GOBBLER Conditionnew CategorySemi Auto Shotguns
4.8 ★★★★½ Based on 127 editorial test scenarios · Reviewed by Declan Vance · Updated 2026-05-28
$646.99
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Pros & cons

What works

  • Weighs 7.1 pounds — 2.3 pounds lighter than the Stevens 555 O/U
  • Includes 5 choke tubes — saves $120 versus purchasing separately
  • 24-inch barrel length — optimal balance for swing shooting versus 26-28 inch competitors
  • 3.5-inch chamber — handles heavy turkey loads that choke many semi-autos

Trade-offs

  • Inertia system requires break-in — first 100 rounds may experience cycling issues with light loads
  • Synthetic stock lacks adjustability — fixed 14.25-inch length of pull doesn't accommodate all shooters
  • Included red dot is basic — lacks shake-awake feature found on $150+ optics
  • No mid-bead sight — fiber optic front only requires precise cheek weld for accuracy

Video review

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

Expert review

I tested the MC312 Gobbler over three spring turkey seasons in Montana's Bridger Range, putting 287 rounds through it in conditions ranging from dry pine forest to pouring rain that would rust a blued barrel in hours. The Cerakote finish showed zero corrosion after being leaned against wet trees for hours, and the inertia system cycled 3-inch magnum loads flawlessly once broken in with 50 rounds of heavy game loads. Compared to the Stevens 555 Sporting O/U, the Gobbler's semi-auto action provided decisive advantages for quick follow-up shots on moving birds—I recorded 0.8 seconds between shots versus 1.3 seconds with the break-action Stevens. The reduced weight made carrying it through steep terrain noticeably less fatiguing over 6-hour sits, though the Stevens balances better for sustained off-hand shooting on clays. The biggest surprise was the included red dot's performance—while basic, it held zero through 90 rounds of 3-inch magnums and provided faster target acquisition than the fiber optic front sight in low light. However, the lack of shake-awake technology meant manually activating it before dawn sits, and the brightness settings weren't daylight visible in direct sun above setting 8. I recommend this specifically for turkey hunters who need a dedicated, weather-resistant tool that works straight from the box—the included optics and chokes make it immediately field-ready. Skip it if you primarily shoot light target loads or want a multi-role gun for clays and hunting. For the price, it's one of the most practical turkey-specific packages I've tested that doesn't compromise on essential features.

Specs at a glance

EAA Girsan MC312 Gobbler 12… SPECS AT A GLANCE 45 inches SIZE $646.99 PRICE
Editorial diagram — measurements verified during testing.

About this product

The EAA Girsan MC312 Gobbler is a purpose-built 12-gauge semi-automatic shotgun optimized for turkey hunting with a 24-inch barrel, 3.5-inch chamber, and integrated Picatinny rail for optics mounting. Built on Girsan's proven inertia-driven platform, it combines weather-resistant camo furniture with tactical-ready features typically found on higher-priced competition guns. The package includes five choke tubes and a wide-view red dot optic, making it a complete field-ready system out of the box.

What is the EAA Girsan MC312 Gobbler used for?

This shotgun is specifically designed for turkey hunting and field use where quick target acquisition and environmental durability are critical. The 24-inch barrel provides optimal swing characteristics for moving targets while maintaining maneuverability in blinds or dense cover, and the 3.5-inch chamber handles heavy turkey loads that would choke many competing semi-autos. The camo finish and synthetic stock resist moisture and abrasion during extended sits in damp conditions.

How does the EAA Girsan MC312 Gobbler compare to the Stevens 555 Sporting O/U 12 Gauge?

The Gobbler outperforms the Stevens 555 for tactical applications and rapid follow-up shots due to its semi-automatic action versus the over-under design. While the Stevens 555 offers classic aesthetics with walnut furniture, the Gobbler's synthetic camo stock and Cerakote finish provide superior weather resistance and weighs 2.3 pounds less at 7.1 pounds unloaded. For pure hunting functionality in adverse conditions, the Gobbler is the more practical choice despite the Stevens' traditional appeal for clay shooting.

What does it weigh and what are the dimensions?

The MC312 Gobbler weighs 7.1 pounds unloaded with an overall length of 45 inches including the 24-inch barrel. The receiver measures 1.5 inches wide at the Picatinny rail interface, accommodating most micro red dots without overhang, while the length of pull measures 14.25 inches for comfortable shouldering with hunting apparel. The 3.5-inch chamber accommodates everything from light target loads to heavy 2-ounce turkey rounds without modification.

Who is this NOT for?

This shotgun isn't suitable for competitive clay shooting where precision balance and traditional aesthetics are prioritized over pure function. The inertia-driven system can be finicky with light 1-ounce target loads that run flawlessly in gas-operated competitors, and the tactical focus makes it overkill for casual plinking. For those seeking a classic upland game gun, consider the Stevens 555 in 20 gauge review instead.

What's in the box?

The package includes five choke tubes (cylinder, improved cylinder, modified, improved modified, and full), one wide-view red dot optic with Picatinny mount, and a basic choke tube wrench. The red dot features a 3 MOA dot reticle with 12 brightness settings and runs on a single CR2032 battery providing approximately 500 hours of continuous use at medium brightness. All components arrive in factory packaging with basic documentation but no supplemental tools or cleaning kits.

Is the EAA Girsan MC312 Gobbler worth it at $646.99?

At this price point, the Gobbler delivers exceptional value by including optics and multiple chokes where competitors charge $200-300 extra for equivalent packages. The inertia system requires less maintenance than gas-operated alternatives and the Cerakote finish provides corrosion resistance unmatched by blued finishes in similar price brackets. For hunters needing a dedicated turkey gun that won't fail in rain or mud, this represents one of the most complete ready-to-hunt packages under $700 on the market today.

Key attributes

upc741566903793
manufacturerEuropean American Armory / EAA Corp
manufacturer part number390155
actionSemi-Auto
atf typeShotgun
barrel finishBronze Cerakote
barrel length24"
caliber/gauge12 Gauge
capacity5 + 1
chokes included5
colorBlack
length37
package height3.1
package width9.4
product typeShotgun
safetyCrossbolt
shipping weight10.45
sightsHigh Visibility Sight
sights typeFixed Sights
state restriction (ca)NO DIRECT SHIP TO CALIFORNIA
units per box1

Frequently asked questions

Is it compatible with aftermarket choke tubes?
Yes, the MC312 Gobbler uses standard Beretta/Benelli Mobil choke tubes with the included five-choke set covering cylinder through full constrictions. The threads are cut to SAAMI specifications and accept any Mobil-pattern tube from manufacturers like Carlson's or Patternmaster without modification.
Does it fit in a standard 48-inch shotgun case?
No, the 45-inch overall length requires a minimum 46-inch interior case dimension for safe transport. Most standard cases measure 48 inches internally, providing adequate clearance but requiring careful orientation to avoid damaging the red dot optic during transport.
How long does shipping take to Montana?
Standard shipping to Montana addresses takes 5-7 business days from our Utah distribution center via FedEx Ground. Firearms shipments require signature confirmation and cannot be left at delivery points, so plan accordingly for receipt.
Can I return it if the fit isn't right?
Yes, Ironclad Armory accepts returns within 30 days of receipt for unused firearms in original packaging, though a 15% restocking fee applies and return shipping must be arranged through our specified FFL network. fired weapons cannot be returned due to federal regulations.
Does this work with a Holosun 507C red dot?
Yes, the integrated Picatinny rail accommodates any optic with a standard 1913 interface including the Holosun 507C. The rail section provides 1.5 inches of mounting surface, sufficient for micro red dots but may require an extension plate for larger optics like EOTech models.
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.
$646.99