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Thread: Mk I and MkII Return tube interchange ?

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    Legacy Member tr63's Avatar
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    Mk I and MkII Return tube interchange ?

    Will the MkII end cap screw onto a MkI return tube ? Are the threads the same ?
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    Legacy Member AmEngRifles's Avatar
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    One of the truly knowledgeable members will be along shortly to answer your inquiry. In the meantime, if I get to the safe and drag out my versions, I will check for you. Answer should be along shortly. My immediate reaction is to say YES...but I am a novice.

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    Legacy Member AmEngRifles's Avatar
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    OK, tried it and they crossed over with no problems. NOW< that is not to say that my Bren MkI was not build with something other than a MkI tube, but as it stands right now, they appear to be exactly the same in thread and pitch and length.

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    Legacy Member Brit plumber's Avatar
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    Exactly the same for very good reason. Most parts are interchangeable between marks, it’s just the level of assembly that changes. i.e. you can interchange bipod assemblies but a Mk2 bipod leg won’t fit a Mk1 bipod.

    So you can fit a Mk2 Butt assembly on a Mk1 if you use the correct Mk2 fitting hardware.

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    Legacy Member AmEngRifles's Avatar
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    Thank you Brit plumber! Hope he sees his replies.

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    Legacy Member tr63's Avatar
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    Thanks guys . The end caps from a MKI and a MKII will screw onto all the return tubes of the Bren gum and are interchangeable , As I understand what is stated in this thread .

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    Legacy Member AmEngRifles's Avatar
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    Just curious, are you building a semi or a display gun?

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    Legacy Member tr63's Avatar
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    Thread Starter
    Quote Originally Posted by AmEngRifles View Post
    Just curious, are you building a semi or a display gun?
    Semi-auto build MkI and a MkII one of each ,I needed the return tube to complete my kits .
    Last edited by tr63; 03-22-2019 at 11:24 AM.

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    Legacy Member AmEngRifles's Avatar
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    Good to hear. Post some pics when you have them completed. I know they somewhat all the look the same, but those will be YOURS. That makes them very special. Are you looking at Weapons Guild? Loads of good information there for builders of semi autos. NOT to take anything anyway from the LOADS of good information HERE!

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    Legacy Member tr63's Avatar
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    Quote Originally Posted by AmEngRifles View Post
    Good to hear. Post some pics when you have them completed. I know they somewhat all the look the same, but those will be YOURS. That makes them very special. Are you looking at Weapons Guild? Loads of good information there for builders of semi autos. NOT to take anything anyway from the LOADS of good information HERE!
    Yes I am a member .

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