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Girsan MC312 12ga 26" Synthetic, Inertia-X Drive

Contact Gurney
Model: SB26
Condition: Factory New
Bud's Item Number: 411553823
UPC: 012345678905
MFG: Girsan

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Here at, we are proud to offer quality products to our customers. Very few products are as exciting as the new Girsan MC312 line!

Featuring the Inertia-X Drive these Girsan MC312 shotguns are becoming one of the fastest talked about shotguns on the market. This action is reliable, requiring no adjusting... ever. It remains cleaner than other gas operating systems, allowing the gas, smoke, and burnt powder to remain in the barrel, which means less maintenance required. With only three main parts, it's one of the simplest, yet one of the strongest, lightweight, and perfectly balanced systems out there.Each of these shotguns undergo individual quaility control tests from Girsan before shipment to insure proper functionality.

Manufacturer Specifications:

  • Rib :8x10 Ventilated Rib
  • Front Sight :Special Phosphored Fiber Optic
  • Recoil Pad :Rounded Ergonomic Rubber
  • Receiver :Aluminum-Alloy Receiver
  • Action :Inertial Rotary System
  • Barrel :Special Steel (Special Coating Inside and Out)
  • Chamber :3" Cut Away
  • Locking System :Rotating Bolt With Reinforced Lugs
  • Length of Pull :13 1/2"
  • Trigger Weight :7.5lbs
  • Chokes :Beretta/Benelli Mobile Choke System(Skeet, Improved Cylinder, Modified, Improved Modified, Full)
  • Additional Features: Oversized Bolt Release,  Oversized Charging Handle
All GIRSAN firearms are 100% guaranteed by Buds ! If you have ANY problems with a GIRSAN, Bud's will provide your choice of...

1. Full Refund
2. New Replacement
3. Warranty Repair

When you buy a with 100% confidence your satisfaction is guaranteed by Buds !

Finish Blued
Action Rolling Block
Gauge 410/45LC
Barrel Length 24" & 28" Combo
Overall Length 46.12"
Safety Thumb safety
Capacity 17 RD
Chamber 3"
Weight 7.05 lbs
Finish Digital Desert/Black
Gauge 12ga 20ga 28ga 410ga
Barrel Length 7.5"
Overall Length 35 1/8"
Safety Lever
Capacity 17 RD
Weight 7.05 lbs
Finish Black
Action Semi-Automatic
Gauge 12 Gauge
Barrel Length 26"
Overall Length 47 3/4"
Safety Two Position Crossbolt
Capacity 3 + 1
Chamber 3"
Weight 7.05 lbs
Finish Matte Blued
Action Not Listed
Gauge 20 GA / 17 HMR
Barrel Length 29 1/2" Ported
Overall Length 38"/36"
Safety Manual
Capacity 5 + 1
Chamber 2 3/4"
Weight 7.05 lbs
Finish Anodized
Action Semi-auto blowback
Gauge 20 GA / 223 Remington
Barrel Length 28" Vent Rib and 24" rifled
Overall Length 33.66"
Safety 2 Position Crossbolt
Capacity 30 + 1
Chamber 3 1/2"
Weight 7.05 lbs

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Fit Charts: These 24 items are compatible with this firearm
Showing 15 of 24 (Click here for details)

Fit Charts


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Operators Manual
Technical Specifications


Product Reviews
10 Reviews. Average Rating: 4.9 of 5 Stars! [4.9 of 5 Stars!]
5 stars:
90% (9 of 10)
4 stars:
10% (1 of 10)
3 stars:
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2 stars:
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Display All Reviews
Reviewed By: John G on 01/14/2017 Rating: 4 of 5 Stars! [4 of 5 Stars!]
Great gun, great price, great service from Buds. Took it duck hunting this weekend got wet, muddy and still ran flawless. Only concern is chokes were not stamped for steel shot. Buds said some are stamped for steel. Mine were not. For concerns of not damaging the gun, I just picked up a Carlson waterfowl choke. Together they did a fine job of knocking down birds. Thanks again to Buds Gun shop.

Reviewed By: Don G on 01/13/2017 Rating: 5 of 5 Stars! [5 of 5 Stars!]
Thank you very much for the fast shipping. The MC312 is every thing you Said it would be. Thank you Bud's !!

Reviewed By: Jason A on 12/29/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
If you are on the fence, you better hurry up and swing that other leg over before these are gone or go back up in price. $299?! Feels like I robbed somebody. It came in immaculate condition with 4 chokes, tool and a hard case.
For the money, I don\'t believe you will do better. I\'ve run 800 rounds through mine with a couple buddies and some blue rock. I also shot about $100 worth of 00 buck. NO ISSUES AT ALL. Fit and finish is good, and it doesn\'t feel cheap. It feels like quality. If you have champagne tastes and a beer budget and are actively looking for a budget semi auto 12 gauge, here it is!!

Reviewed By: RICK S on 12/27/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
For a semi-auto at this price, it is a great gun. I bought 2, one for me and the other for my son. Right out of the box they shot great, no problems. Cycled everything. 5 stars!!!!!

Reviewed By: Chad H on 12/23/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
I had a feeling I was going to love this gun and you know what, I definitely do! Like most guys that don't want to throw away money they don't have to I always research a gun heavily from real, non-sponsored people out on the internet. I could find nothing negative on this gun, I also found a great review ranking this gun above the B.Vinci or Browning Maxis in various aspects of a 3 way comparison by a magazine. Anyway I put 100 rounds of mixed dove loads and some 3" steel loads through this the morning after I got it after it had sat in my car trunk all night at work so it was in 10 degree weather all night. I had not problems with it. I only patterned the Modified choke tube, but at 20 yards it had a perfectly round pattern, that was on point with the bead site, and had no holes in the density. Buds shipped it in 2 days, super quick. I may never need it, but I am never selling this gun, so I went ahead and bot Bud's Lifetime Extended warranty just in case, it was $15.00 and one claim, if it is ever needed, will pay for itself in shipping alone. Great Job Bud's, Thank You!

Reviewed By: Phillip R on 09/07/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
Bought this before Bud's increased the price on it, so definitely happy there! First off, unpacking it surprised me. it came in a plastic case and upon opening it, everything was wrapped in a thick plastic sheathing and it looked like a plastic compartment area where the barrel and receiver were stored. Upon touching it, its actually a rubbery like texture that looks like plastic, and then foam on the top portion. pretty neat and will probably be keeping it. The action is super smooth out of the box even with no oil yet. Bought this for 3 gun action and also for an upcoming turkey hunt. Read that a few benelli mobil/m2 products fit, so i bought a mobil style turkey choke and it threaded right in the barrel. Trigger is crisp. Feels really light for how heavy this gun is supposed to be and swings through nicely. the red fiberoptic helps for quick sight acquisition. Only downside is it doesnt look like i can mount a red dot sight but who knows maybe i can drill and mount one. Then again, i wouldve bought a higher priced shotgun!

Reviewed By: Christian B on 07/02/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
Sweet shooting gun. It cycles with ease and just feels perfect in my hands. I've owned many shotguns and still own a few high dollar shotguns and the girsan is right on par with them. Buy this gun while you can at this amazing price folks! It's a steal

Reviewed By: Matthew S on 05/03/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
was skeptical about this gun because there weren't many reviews on youtube, but decided to buy it anyway. fast shipment from buds. it came in a nice hard case and with 5 chokes. put several rounds through it (slow and fast) no malfunctions. getting ready for a turkey hunt this coming weekend so we will see if it performs in the field. will buy from buds again!

Reviewed By: Jacob M on 03/21/2016 Rating: 5 of 5 Stars! [5 of 5 Stars!]
Received one early this hunting season, flawless! shot pen raised and wild with it. Not a single hiccup. Would recommend to any level of upland hunter.

Reviewed By: DON D on 02/27/2015 Rating: 5 of 5 Stars! [5 of 5 Stars!]