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Thread: C-More M26 Shotgun

  1. #1
    Boolit Buddy
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    C-More M26 Shotgun

    My new shotgun arrived in the mail yesterday. I want to cast slugs and use in it. I have ordered a red dot sight, the Vortex SPARC AR for it. It only has a modified choke tube fitted and I cant find out if one can get a rifled choke.
    If not I will chop the barrel and sweat on an adapter to take Invector chokes so I can fit a rifled choke that way.
    Anyone had experience with these?
    Its nearly impossible for us in OZ to get stuff out of the USA.

    C-More mag03 by [url=https://www.flickr.com/photos/141809689@N05/

  2. #2
    Boolit Master bikerbeans's Avatar
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    No experience with that scattergun but I have found box feed semiautomatics can be quite picky about what ammo they will cycle correctly.

    ;BB

  3. #3
    Boolit Buddy
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    Good luck!

  4. #4
    Very nice looking shotgun how long is the barrel and its OD at the muzzle ?
    Wonder if they also make it in 20 ga
    Can you please tell us as to how much it cost ?
    Thanks for sharing it.

    Best regards,
    Ajay K. Madan
    Super Blazing Sabots

  5. #5
    Boolit Buddy
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    It is an 18 inch barrel. All made in the USA originally for the Military
    https://en.wikipedia.org/wiki/M26_Mo...Shotgun_System
    I thought you guys (Stateside) would know all about them
    Its 12 gauge with a modified choke but they must use their own thread as its a very fine one and I cant find a commercial choke to fit
    It will take Saiga mags and they dont seem to have feed problems.
    They dont make a 20 gge. Only this model for civilian use.
    However would this choke be OK for slugs as is before I chop the barrel and sweat on an adapter? I could try bought slug loads but really want to cast my own.

  6. #6
    Boolit Mold
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    Thats an interesting scattergun. First time I have heard of it and I tend to gravitate toward semi-auto mag fed shotguns so it surprised me. Then I saw that it is manually operated.

    I would think that they werent too popular here in the USA because they are manually operated and we are able to easily pick up a semi-auto mag fed shotgun if we want one. It is kinda neat that they made a short barrel version that you can attach to your AR15. But also kinda pointless since it seems like it would be really bulky hanging off the front of an AR, and since there was already the Masterkey (a short-barrel rail attached 870).

    You should be fine shooting slugs through that modified choke. I have a Saiga 12 with a modified choke that has eaten boatloads of foster slugs, remington sluggers, and some soft round balls.

    I would say to keep away from sabot slugs though. To my recollection the sabot slugs are designed to be fired through rifled barrels, not smoothbore.

  7. #7
    Boolit Master
    CastingFool's Avatar
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    Any way you could ream out the modified choke to improved cylinder? That is what my factory slug barrel was choked. I could get 2-3/4" groups at 50 yrds all day long, as long as I did my part.

  8. #8
    Boolit Buddy
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    Thanks for that. Might be worth a try as is then before I do anything drastic.
    Did our weekly trip to town today and our gun shop had some rifled slug loads so I bought a box of 5 to try when my red dot arrives.
    I ordered a Lyman slug mould as well. Looks like an airgun pellet shape and goes in a plastic wad . so will try them as well.
    If I could keep them in a 6 inch gong at 50 yds that would do.

  9. #9
    Boolit Buddy
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    Quote Originally Posted by CastingFool View Post
    Any way you could ream out the modified choke to improved cylinder? That is what my factory slug barrel was choked. I could get 2-3/4" groups at 50 yrds all day long, as long as I did my part.
    Sorry , it is an IC choke not modified. Just about to test these four loads I have.

  10. #10
    Boolit Buddy
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    Just to test it I tried my home grown Lyman slug. It did not do too well. All these are 50 yards.
    Its the 3 holes with a circle around them. One near the centre the rest going higher..
    Next was the S&B special slug. Up near the top. One keyholed.
    Next the Federal Power Shok FPS, not much good either.
    Next the Federal Vital Shok. I had nearly given up but these proved the gun can shoot slugs anyway. The FVS, one above the other, three shots.
    May have been the way I was holding. Its a light gun so one has to hang on to it.
    slug 01 by [url=https://www.flickr.com/photos/141809689@N05/]


    Put up a new target and shot the last two from the 5 round box. after bringing the sight down 6 clicks.
    Two touching. That will do me. Now to get that Lyman slug doing that.
    slug 02 by [url=https://www.flickr.com/photos/141809689@N05/]

  11. #11
    Boolit Mold
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    The M26 is a straight pull bolt action. The unlocking action is in essence the same as a pump action. Be sure not to pull rearward on the handle when firing. Not a problem, other than it may click rather than go bang. Also, don't hold the trigger back when cycling... otherwise the hammer will follow the bolt (will not stay cocked) No danger with that either, although always keep muzzle in safe direction as you always would anyway.. Sorry, I don't recall the choke threads, but at one time Mossberg was making some of the parts, so I'd try an invector. In any case slugs should be fine at 50 yds. A red dot is a perfect match for that & I suspect that it'll shoot up to your expectations at 100 yds. I'm somewhat familiar with the US military M26, which has a few different features than yours. I retired before getting the opportunity to personally test fire one.

  12. #12
    Boolit Buddy
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    One thing I find disturbing but may not matter is that the breech bolt unlocks on firing. Seems to be mainly those factory slug loads, they have a bit of grunt. It unlocks and stops with about half an inch of case showing. One has to pull the bolt to finish it off and eject.
    I thought it may be capable of slam firing like the old Winchester but as you say , it wont.
    I tried Invector chokes but completely different.

  13. #13
    Boolit Mold
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    It tended to self unlock a bit when firing mil buckshot. Not a problem, but i suspect a stiffer spring on the unlocking mechanism would counter it. All a trade-off since that makes action stiffer to cycle. I had extensively "meddled" with gun's design including extractors & ejector, but cut me off on the unlocking and disconnect features. Best add was the recoil absorbing stock. Prevents deep regret after pulling the trigger

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check