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Thread: G2 Contender Carbine project

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  1. #1
    Member
    Join Date
    Dec 2014
    Location
    canterbury
    Posts
    5,383

    G2 Contender Carbine project

    After a long wait I received a Contender G2 stainless steel 23" 6.8 SPC barrel recently
    It was a parked project for when I had some time to sort it out
    Well ill health meant I suddenly had a bit of free time

    I don't know why but most factory Contender barrels are full bull barrels. 20.7mm
    So this was always going to be a cut and suppress job

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    I had chronographed some factory ammunition before cutting off 120mm
    Which is 260 grams weight saved already

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    Relatively small hole in a fat barrel = weight

    Set it up in the lathe in the fixed steady and faced off and crowned the muzzle
    Tapped up the DPT muzzle forward suppressor I had brought from 1/2-20 to 5/8-24
    1/2" is pretty small for a high powered rifle suppressor thread
    Threaded the barrel and fitted the suppressor

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    This is the complete 6.8 SPC set up using the quick tool less break down stock screw I make
    Sure it could be smaller if taken down at the hinge pin and only needs an allen key.
    But this is quick and easy and nothing to loose

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    This 7075 alloy knurled screw is actually lighter than the factory steel cap screw it replaces !

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    And this is the entire G2 family ( so far )

    6.8 SPC 18 1/2" barrel. Leupold VX3i 2.5-8 CDS

    375 Winchester 23" contoured barrel. Leupold MK4 1.5-5 SPR
    .22LR full length insert barrel. Only fits in the 375 barrel. But is very accurate

    223 16" barrel. Leupold VX3 2.5-8 ( mounts burgled for 6.8 but have others to fit )

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    This is a closer image of the 22LR / 375 insert
    Quite a tricky bit of lathe work

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    There are a few loose ends to tidy up
    The 6.8 barrel needs a barrel band
    The 6.8 and 223 barrels will be fluted in sections forward and aft of the barrel bands
    I think the 6.8 barrel might still loose another 30mm depending on the velocity losses

    And I'm still looking for a dedicated .22LR Contender barrel or any other Contender barrel I can stubb and thread a 22 barrel in to

    It's not quite under 6 pounds yet which is the objective
    Fluting and another tiny chop should bring it in on weigth
    And the 6.8 pre cut liked the factory American Gunner ammunition a lot
    3/4 moa with the 8x max scope is perfect for my needs

    Cheers
    outdoorlad, Rich007, ebf and 17 others like this.

 

 

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