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Thread: Has anyone built a AR 15 in 243 Win.

  1. #11
    gunco irregular moleman's Avatar
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    I worry about the longevity of the 243wssm. Most places don't carry that ammo as it is and unless it really takes off which it hasn't yet, down the road you might have a hard time finding brass. Thats the main reason I haven't bought a 223 and 243 wssm upper.

  2. #12
    cag
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    Gunco Member cag's Avatar
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    I figure if you buy 500 new brass that should last me my life. It most likely won't be very popular, maybe buy a 1000 new brass and I know that would last me.
    If i get the funds, I will let you know how it shoots.
    Thanks
    CAG

  3. #13
    Gunco Veteran Bolt2bounce's Avatar
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    I built one in 6mm223 nice caliber but ya run out of places to put the powder in the case with long bullets... I like it anyway for shooting 95 gr bullets.. B2B

  4. #14
    gunco irregular moleman's Avatar
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    Quote Originally Posted by Bolt2bounce View Post
    I built one in 6mm223 nice caliber but ya run out of places to put the powder in the case with long bullets... I like it anyway for shooting 95 gr bullets.. B2B
    I've had at least one 6x45mm/6mm-223 for the past 15-20 years or so. I have often thought about getting a 6mm TCU reamer to open up the chamber some. I think the ease of just using the 6x45 die on 223 brass beats out any gains you'd acheive by going the TCU route, plus you'd add the fire form step.

  5. #15
    Gunco Addicted for life j427x's Avatar
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    Quote Originally Posted by cag View Post
    Thanks guys! I am not fond of the 7.62x39, good cartidge in a short AR or AK. I want something that will reach out there a little ways. I believe if I get some of my other guns sold I am going to build a 243WSSM. I looked the balistics up on that cartidge and I think it will work good for what I want.
    Thanks
    CAG

    ever consider the 6.5 grendel for long range? it will fit in the standard 5.56 ar-15 action.

    ammo can be a bit high but wolf can still be found for $15 a box. if you re-load it don't cost much more to shoot than anything else.

  6. #16
    CEO Macon Armory Inc. Mad-Machinist's Avatar
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    .243 would be an easy conversion for an AR10........pretty much the only change would be a custom barrel.......mags should be the same....bolt and carrier is the same......

    If I had a reamer it wouldn't be that big a deal to knock out....just need a blank, a chamber reamer and headspace guages, and an AR10 barrel extension.

  7. #17
    Chinese Connection Bluejack's Avatar
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    Shoot one of these .243 WSSM few years ago, you can find these ammo easy at your local walmart


    卡拉希尼可夫突擊步槍

  8. #18
    Gunco Regular willie's Avatar
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    I inquired Oly Arms about buying the WSSM bolt a while back and they wouldn't sell me one without buy a complete top end. So much for DIY.

  9. #19
    Gunco Rookie huudoo's Avatar
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    Remington makes a AR platform in .243 cal
    i was told Bushmaster makes it for them....

    Gander MT had one , kinda heavy though

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