Theoretical maximum LEGAL number of 2.75" shells loaded into a semi-auto shotgun

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Okay, so we all know that "5" rounds of the largest size shotshell the shotgun is designed for is the legal magazine capacity for a semi-auto shotgun here in Canada. So, say you have a Super Black Eagle II, chambered in 3.5" 12 gauge, 5 round magazine capacity in 3.5". Starting off with a round in the chamber, how many 2.75" rounds can you load in the gun before you start shooting? What is the absolute max? You can even "ghost" a round for an extra.
 
In a magazine tube that's .25 inches too short to allow a sixth round or 3.5 inch ammo, you can fit 7 rounds of 2.75 inch ammo.
 
So, with one in the chamber and one "ghosted" you wind up with 9 rounds?
Cool. Might have to make a SBE II my next shotgun.

You have to carefully check the shotgun to see if you can ghost rounds. Not all do. Benelli's are good stuff and my personal favourites for semis.
 
I think the Mossberg 930 you can do 6+1+1, Benelli M4's 5+1+1 (maybe 6 if you can get a +1?) and The Beretta 1201FP i've read that you can do 6+2 (somehow ghosting 2?)+1=9
 
I have used that exact set-up you`re asking about.

SBE II
SBE barrel cut down to 18.5 and threaded for chokes
TacStar mag extension flush with end of barrel just over 9 inches long.
JB weld in the bolt notch.

Holds 5 3.5 shells in the mag with a bit of extra space. 6 will not go.

Holds 7, 2.75 plus float one and pipe one. ( 9 total and legal)

I`d like to print of the page that say`s the rule about the biggest ammo the gun is designed for, for the fudds at the range, but could never find it.
 
So, if you don't mind my asking, Drillbit, what does a setup like that cost, in total, in the neighborhood of?
Where do you get the mag extension? Did it take much hassle to get it so it would not quite accommodate the 6th 3.5" round?
Thanks for the info.
 
I have used that exact set-up you`re asking about.

SBE II
SBE barrel cut down to 18.5 and threaded for chokes
TacStar mag extension flush with end of barrel just over 9 inches long.
JB weld in the bolt notch.

Holds 5 3.5 shells in the mag with a bit of extra space. 6 will not go.

Holds 7, 2.75 plus float one and pipe one. ( 9 total and legal)

I`d like to print of the page that say`s the rule about the biggest ammo the gun is designed for, for the fudds at the range, but could never find it.
I would love too some pictures. How does that cycle the cheap light bulk Canadian tire stuff?
 
The gun was 1600 plus tax, so 1800.
The barrel was used on the ee for 350.
Cost 150 to get it cut down, new bead, thread for chokes,+ 2 chokes.
Mag ex was 60 in the US (years ago). Haven`t seen one up here.

Not a cheap rig, but cheaper than some of the other stuff out there and very versatile.

The TacStar mag ext fits right on and will only hold 5, 3.5`s without any mods. On a M2, it would be too long though. The total outside length is 9 and 3 eigths. Had one stopped in the mail at the border due to the packaging a few years ago.
I`ve also tried to shorten a tube before by denting it for an 11-87, and it didn`work out too well, the follower would pinch and hang up.
There is also the factory Benelli +1 in Canada, but it is $130 and then the mag will only hold 5 2.75`s.
If you want to shorten a barrel you should go with a SBE barrel, and not a SBE II. The vent rib is attatched differently and the SBE II barrels vent rib would have to end about 4 inches from the front if it was cut off. The regular sbe rib works out good, but it isn`t drilled and tapped. If that`s important for mounting a rail, it would have to be done, which isn`t a big deal.

If you have any more questions I`ll do my best for ya.

Also, for the guys wondering what guns can ghost or float a shell, a Vinci won`t, tried everything.
 
Cycles everything just fine. Cheap stuff from Walmart or CanTire, 1oz Kent's, and everything big too. Never had a problem, even in -25.
 
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Holds 5 3.5 shells in the mag with a bit of extra space. 6 will not go.

Holds 7, 2.75 plus float one and pipe one. ( 9 total and legal)

can anyone quote from the firearms act where it states that the max 5 round capacity applies to the longest shell length the gun can accommodate? or is this all just conjecture like the PGO <12.5" shotguns?
 
can anyone quote from the firearms act where it states that the max 5 round capacity applies to the longest shell length the gun can accommodate? or is this all just conjecture like the PGO <12.5" shotguns?

Here is an email response from the RCMP Firearms Technologies Section with regards to my email about increasing the length on my Benelli M4 to allow 6 x 3" shells:

Good day

Yes the limit is 5 for a long gun in semi-automatic action and centre fire cartridge. Refer to the Regulation http://laws-lois.justice.gc.ca/eng/regulations/SOR-98-462/page-2.html#h-4 .(PART 4 PROHIBITED DEVICES).

We never count the one in the chamber and we always use the longer cartridge even if you can use shorter shells (2 2/3", 2 1/2", etc...).

regards

#########X
Firearms Technologist
 
the Beretta 1201 p will ghost a round without any modifications .i do not think you can ghost two rounds as a previous poster has stated but if it is possible i would be interested to hear the details.
 
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