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Thread: C no.7 / #7MkI

  1. #1
    CGN frequent flyer Tbolt's Avatar
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    C no.7 / #7MkI

    Hi Guys

    I just have a quick question for you, in your parts section you list parts for the #7MkI .22lr, are these parts interchangeable with the C No. 7?

    The reason I asking is that I have come into possession of a 1946 LongBranch C No.7 receiver that I would eventually like to complete into a rifle and am wondering if I can use the parts listed on your site to get that goal started.
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    CGN Ultra frequent flyer cantom's Avatar
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    Quote Originally Posted by Tbolt View Post
    Hi Guys

    I just have a quick question for you, in your parts section you list parts for the #7MkI .22lr, are these parts interchangeable with the C No. 7?

    The reason I asking is that I have come into possession of a 1946 LongBranch C No.7 receiver that I would eventually like to complete into a rifle and am wondering if I can use the parts listed on your site to get that goal started.
    The problem is barrels. There are lots of receivers around, but barrels are another story.
    You could put a shot out .303 barrel on it and have it sleeved to .22. It won't be correct but then it isn't now either.

  3. #3
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    i know of a cadet place here that still has a number of the no 7's since im a ex cadet from this vary place i mite go there and see if thay will off load them into a gun shop as there wanting to get rid of them

    receivers are easy to i think the ones that were sent in got dismantled and not destroyed i dont know what happened to the barrels but

    the no 7's are the same as the no 4's right size wise there just .22lr i bet some parts can work like the stock and trigger parts

  4. #4
    CGN frequent flyer Tbolt's Avatar
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    So technically I could make a #4 out of it then as well right?
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  5. #5
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    Quote Originally Posted by Tbolt View Post
    So technically I could make a #4 out of it then as well right?
    i think the bolts are differnt

  6. #6
    CGN frequent flyer Tbolt's Avatar
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    The bolts are different, rim-fire versus center-fire, but what I meant was is the receiver the same dimensions as a #4 receiver? if so I could use #4 parts to make a complete rifle. This one that I have is brand new, and it would make an interesting project
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  7. #7
    CGN Ultra frequent flyer gaff's Avatar
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    not recommended to make a 303 out of a #7 receiver, they were not all heat treated the same.

  8. #8
    CGN frequent flyer Tbolt's Avatar
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    Didn't they make some .308/7.62 target rifles out of leftover C. No 7 receivers?
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  9. #9
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    Quote Originally Posted by Tbolt View Post
    Didn't they make some .308/7.62 target rifles out of leftover C. No 7 receivers?
    no receivers are not the same there made for .22 only there not the same strength as the .303 receivers

  10. #10
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    Quote Originally Posted by gaff View Post
    not recommended to make a 303 out of a #7 receiver, they were not all heat treated the same.
    How do you know this? Both No4 and No7 receivers came out of Longbranch and I'd wager they were given exactly the same heat treatment.

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