Semi auto mag capacity

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albertafarmer

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Is it true that semi automatic shotguns are now limited to a magazine capacity of five rounds? I was in Saskatoon last October and I saw magazine extensions for the Remington 1100 autoloader. These extensions brought the capacity to nine rounds plus one round chambered, and they were being sold at Wholesale Sports. If a guy had paid the $70 for one of these in the fall, is it illegal to have it installed now?
 
Semi auto centerfire, as a generalrule, there are exceptions, 5 only. That extention when installed would be creating a prohibited device!!

Scott
 
As m39a2 says, the general rule is that all semi-auto centerfire (rifles and shotguns) are limited to 5 rounds in the mag. You can install that extension and then pin the mag to 5 rounds if you like. Some people do this for the tacticool looks of a long mag on their shotgun.

The only exception to the above rule that I have seen is for the M1 Garand, which uses a clip system that is not easily modified down to the 5 round limit. They are allowed to stay at their original capacity of 8 rounds.

Mark
 
thewolfeofdeath said:
So theoretically the mag limit on a m1 garand is exempt just because of lazyiness? lol Too bad the 'man' is not as lazy with the sks magazines.
Click to expand...

I guess so. It is very difficult to alter the basic operating system to limit it to 5 rounds without butchering it. You can limit the en bloc clips to 5 rounds and I have some of those for hunting with my Garand this fall. The feds may make an exception, but the Alberta hunting regs don't.

Mark
 
These extensions fit on 870's and 1100's and even 11-87's. They are legal on the pump only.

I always wondered if the mag extension was made for a pump, could it legally be used on a semi. Much like the LAR mags being used in an AR
 
Gerich said:
These extensions fit on 870's and 1100's and even 11-87's. They are legal on the pump only.

I always wondered if the mag extension was made for a pump, could it legally be used on a semi. Much like the LAR mags being used in an AR
Click to expand...

If it was designed for the 870 and marked and marketed as such, and just "happen" to fit the 1100 then it would be fine, in theory. Just like the LAR mags for the pistol were designed and marked for a pistol but just "happen" to fit in the AR rifle.
 
The mag extension is not a prohibited device. When installed and not pinned the firearm becomes prohibited. But if you install and pin the mag extension to load only 5 rounds it is perfectly legal and remain a non-restricted or restricted depending on OAL.
 
Prestwich said:
If it was designed for the 870 and marked and marketed as such, and just "happen" to fit the 1100 then it would be fine, in theory. Just like the LAR mags for the pistol were designed and marked for a pistol but just "happen" to fit in the AR rifle.
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Agreed, although you might end up making legal precedent... in my non-lawyer opinion you would be right based on the logic behind the LAR mags and the wording of the legislation
 
Prestwich said:
If it was designed for the 870 and marked and marketed as such, and just "happen" to fit the 1100 then it would be fine, in theory. Just like the LAR mags for the pistol were designed and marked for a pistol but just "happen" to fit in the AR rifle.
Click to expand...

I think that argument loses out when you consider that adding an 870 extension does not change the magazine to an 870 magazine. It would still be an 1100 magazine, which would be subject to the 5 round limit, regardless of the firearm the extension itself was designed to be installed on.
 
Tough call,

The magazine would be 1100, the extension would be 870.

Pretty grey area on that one!

Who wants to be the guy to find out the hard way is the big question...
 
if you install a mag extension you are modifying the magazine , not installing another magazine , the AR thing works because it's a pistol mag that fits said firearm without modification.
 
This may have been suggested before, but what about 3.5" shells vs. 2.75" shells? If my math is correct if a firearm is "designed" for 3.5" shells and the magazine holds five rounds, you would be able to fit six rounds of 2.75" into the same magazine. The question is, what establishes it as a 3.5" magazine?

Any 12 gauge chambered for 3.5" shells will ostensibly fire 2.75" and 3" shells also. There are also smaller shells available I believe. I suppose it is arguable that the magazine is meant to hold five rounds of the largest shell it will fire?
 
justin1628 said:
The mag extension is not a prohibited device. When installed and not pinned the firearm becomes prohibited. But if you install and pin the mag extension to load only 5 rounds it is perfectly legal and remain a non-restricted or restricted depending on OAL.
Click to expand...


Not true. A mag designed for a semi auto center fire long gun (except the garand and a other one I don't remember) that holds more than 5 rounds is a prohibited device. It doesn't affect the firearm's classification. Your sks stays non restricted even when fitted with a 10 rounds mag. But the mag is illegal.

Definitions

84. (1) In this Part,
prohibited device” means

(d) a cartridge magazine that is prescribed to be a prohibited device, or


91. (1) Subject to subsections (4) and (5), every person commits an offence who possesses a firearm without being the holder of

(a) a licence under which the person may possess it; and

(b) a registration certificate for the firearm.

Unauthorized possession of prohibited weapon or restricted weapon

(2) Subject to subsection (4), every person commits an offence who possesses a prohibited weapon, a restricted weapon, a prohibited device, other than a replica firearm, or any prohibited ammunition, without being the holder of a licence under which the person may possess it.

http://www.canlii.org/en/ca/laws/stat/rsc-1985-c-c-46/latest/rsc-1985-c-c-46.html

But without the spring in it, the mag can no longer feed a gun with ammo. SO it'S not a firearm magazine

You can legally possess a 30 rounds mag designed for a long gun semi auto centerfire, as long as it is dismantled.


It doesn't have to make sense......
 
AK said:
Any 12 gauge chambered for 3.5" shells will ostensibly fire 2.75" and 3" shells also. There are also smaller shells available I believe. I suppose it is arguable that the magazine is meant to hold five rounds of the largest shell it will fire?
Click to expand...

Yes.

The mag capacity is 5 for 3.5" shells, you can fit as many as you want of 2.75" as long as you cannot fit 6 3.5" shells in the magazine.

You can also put shells on the lifter and in the chamber and these do not count against the 5 limit.

Which is why the benelli m4 holds 7 3" shells when properly loaded.

IRRC there is some benelli semi auto hunting shotgun that fits 9 2.75" shells including lifter/chamber while only fitting 5 3.5" in the magazine tube.
 
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