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Thread: Car15 pencil barrel

  1. #1
    Boolit Master
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    Car15 pencil barrel

    Long time ago I picked up a Car15 that was having function problems.
    Got it worked out, and haven't played with it until a few weeks ago.
    Barrel was copper and carbon fouled.
    Cleaned it best as possible, but not shooting as well as I think it should.
    It has a short hand guard, 16" pencil barrel.
    Not sure what the twist is.
    I'd like to keep the pencil barrel with a 1-7 or 1-9 twist.
    Looking for suggestions on a replacement barrel

  2. #2
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    Smoke4320's Avatar
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    Ar15 pencil barrel heat up quickly and usually group sizes grow as quickly.
    If you are shooting off a bench and resting the handguard or barrel on something i would suggest you try something else first .
    A freefloat handguard. rest on that only
    Give some time between shots. You should see much improvement in group sizes
    I carry a Nuke50 because cleaning up the mess is Silly !!

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  3. #3
    Boolit Master




    bruce drake's Avatar
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    http://www.primaryarms.com/B223WMLW1618-P
    1-8 twist.

    Start with a new barrel with a known twist rate. $80 plus shipping shouldn't set you too far back to experiment with.
    I Cast my Boolits, Therefore I am Happy.
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  4. #4
    Boolit Bub
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    http://faxonfirearms.com/16-pencil-5...ngth-4150-qpq/ Used by Ian and Karl of "In Range" to build their excellent "What Would Stoner Do" Carbines, fully stress relieved, will hold zero when hot. Combine with a free float hand guard. Love mine.

    https://www.full30.com/search/wwsd

  5. #5
    Boolit Master
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    Good links.
    Both are for mid length handguards. I want to keep it carbine length.
    Trying to keep the retro look.
    Not looking for great accuracy. Open sights. Under 3" at 50yds would be fine.
    Barrel on it now throws them all over the place. No consistency at all.

  6. #6
    Boolit Master RU shooter's Avatar
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    Quote Originally Posted by abunaitoo View Post
    Good links.
    Both are for mid length handguards. I want to keep it carbine length.
    Trying to keep the retro look.
    Not looking for great accuracy. Open sights. Under 3" at 50yds would be fine.
    Barrel on it now throws them all over the place. No consistency at all.
    Yeah that sounds pretty bad maybe try taking the handguards off of it and shooting a group to see if it actually is the barrel or just the handguards pushing it all over the place . It to be honest just about any decent barrel free floated or not should be able to do 1-2" groups at 50 yds.
    If you find yourself in a fair fight, your tactics suck!

  7. #7
    Boolit Master





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    Give Green Mountain a call maybe they can help. They made them for many makers and have a retail walk in shop under the new owner.

  8. #8
    Boolit Bub
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    http://faxonfirearms.com/16-m4-profi...-gas-4150-qpq/ Leave a notification request, they'll be back in stock in a few days.

  9. #9
    Boolit Master
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    Lots of pencil with mid length handguard.
    Can't find any carbine length handguard.
    Hope to find one with the front sight ob it.
    I'll keep looking.
    Don't like the M4 look.

  10. #10
    Boolit Master






    Lloyd Smale's Avatar
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    Ive had two pencil barrled ARs one a bushmaster and one a dpms sprotical. Both had no problem shooting moa with loads the liked. I free floated the dmps and it shot 3/4 inch 5 shot groups all day long with its best load. Easily as good as any of my standard weight guns.
    Quote Originally Posted by abunaitoo View Post
    Long time ago I picked up a Car15 that was having function problems.
    Got it worked out, and haven't played with it until a few weeks ago.
    Barrel was copper and carbon fouled.
    Cleaned it best as possible, but not shooting as well as I think it should.
    It has a short hand guard, 16" pencil barrel.
    Not sure what the twist is.
    I'd like to keep the pencil barrel with a 1-7 or 1-9 twist.
    Looking for suggestions on a replacement barrel
    Soldier of God, sixgun junky, Retired electrical lineman. My office was a 100 feet in the air, closer to God the better

  11. #11

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check