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Wondering if anyone has had first hand experience with cartridge adapters?

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  • Wondering if anyone has had first hand experience with cartridge adapters?

    I considering a purchase of a few of them, for 12 gauge and for the 308, and 223.

    I guess i became interested in them after reading Jerry's story of the Hermit and re reading Survival Guns by Tappan again.

  • #2
    Like this......?

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    I am wondering the same question as you......these look pretty cool
    You know what ol' Jack Burton always says at a time like this?

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    • #3
      Nope but I will be real interested in a review and some accuracy pics at realistic ranges
      Knowledge is Power, Practiced Knowledge is Strength, Tested Knowledge is Confidence

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      • #4
        yep that is what i had in mind, seems like is a bunch out there. Could be useful if they really work

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        • #5
          MC Ace has been making adapters and inserts for years. The inserts work in single or double shotguns, for example, 44 Special out of a 12 ga. The inserts have 10" rifled barrels. The downside is sights, if there is a vent rib on top clamp on sights are sold by places such as Brownells.
          The chamber adapters allow firing rounds of the same diameter thru your existing barrel, for example 32 ACP or 30 Carbine thru a 30-06.
          I personaly have not used them, but have read favorable reports in The Backwoodsman Magazine (not to be confused with any other magazine with the word "backwoods" in the title).
          "There is nothing so exhilarating as to be shot at without result." Winston Churchill
          Member: Veterans of Foreign Wars, Vietnam Veterans of America, American Legion, AMVETS, Society of the Fifth Infantry Division

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          • #6
            I bought one of the mcace type in .223 to shoot 22lr in my Contender. The fit was terrible! I would have had to
            pound it in with a shoe to get it to fit and it would have been impossible to get out intact.

            To their credit they refunded my money with no problem. Maybe it was one missed during quality control, but it soured me
            on buying another from them.

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            • #7
              THe idea seems cool, and if they have been around, maybe there is a good application for them. However, there is no way I'm going to shoot rifle or pistol rounds through my shotgun. I can see using different gauge shotguns shells, maybe, but even there, I think something will suffer. It may be negligible, but I don't think there are zero drawbacks from this. You are going to lose something, in accuracy, barrel wear, reliability, or something, or else these people have come up with a superior barrel and chamber combo, and manufacturers would be making guns this way. The chamber and barrels are made to specific tolerances, which this changes. Again, it might not be any big deal for shotguns, and that could have it's benefits if one of your guns fails, and now you have a bunch of 20 gauge cartridges and only a 12 gauge or something. But the ballistics, and the physics involved in accurately and safely shooting a rifle or pistol cartridge are such that I wouldn't shoot those through any shotgun, or anything a reputable gun manufacturer hadn't designed specifically to do that. Or at least not before discussing it with a gunsmith, or armorer, who has more knowledge than me. But I just don't see how that is going to work out right, without compromising something. But for shotgun gauges, maybe the trade off would be negligible. I would monitor my barrel and chamber real well and see if I could tell any difference or erosion. It seems that you would end up with excessive erosion just after the insert, where the inside diameter of the barrel effectively increases. But of course I am only speculating. I would be interested to hear how it shoots. Be careful.

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              • #8
                MCACE cartridge inserts for shotguns are limited to rounds that do not exceed the pressure limits for whichever gauge they are designed for.
                I was thinking about a 45-70 insert for my double barrel 12 ga, but bought a New England Firearms 45-70 Handi Rifle instead.
                Baikal from Russia does this 45-70 deal as an option with their 12 ga SXS coach guns.
                Bull - go to the MCACE website I listed above and read how they are made. It will answer your questions. The inserts are rifled and come in lengths of up to 18".
                Do not confuse inserts with adapters. Two different animals.
                Some of us old time woods bummers just like the idea of roaming with a single shot long gun, with a single action revolver and a big knife for backup. A single shot shotgun, and an insert, in say 44-40 in the pack would allow the virtual carry of two different weapons in one package.
                Last edited by rice paddy daddy; 11-08-2011, 10:40 AM.
                "There is nothing so exhilarating as to be shot at without result." Winston Churchill
                Member: Veterans of Foreign Wars, Vietnam Veterans of America, American Legion, AMVETS, Society of the Fifth Infantry Division

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                • #9
                  rice paddy daddy, I was looking around on it the other night, but somehow I did get them confused. Still, with an insert of 18", now you reduced your barrel length to that, and I wonder about the quality of the rifling, and all. Combine the two, and I wonder how well you would be in the accuracy department. Still, I suppose you aren't going to be shooting a match with that, so really, it may be plenty accurate for the application. 18" should be enough to prevent most of the concerns I had with the inserts. I'll look again.

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                  • #10
                    The standard length is 10", but remember, most handguns have a barrel length of only 4 to 6 inches.
                    The big thing would be lack of sights. I've got an old Stevens single shot 12 ga that I was going to experiment with, using aftermarket sights held on with J-B Weld. The shotgun was free, so it's not an heirloom or anything in case my experiment goes wrong.
                    The idea of a long gun that fires either shot shells or the same cartridge as one of my handguns intrigues me.
                    I also thought about a 32ACP adapter for my single shot 30-06 for some relatively quiet predator control out in my woodlot (which has hundreds of acres of a neighbors woods on one side, and my chickens on the other).
                    "There is nothing so exhilarating as to be shot at without result." Winston Churchill
                    Member: Veterans of Foreign Wars, Vietnam Veterans of America, American Legion, AMVETS, Society of the Fifth Infantry Division

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