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Thread: Review : Faxon Firearms 14.5" Pencil Profile AR15 barrel

  1. #1
    Member Beavis's Avatar
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    Review : Faxon Firearms 14.5" Pencil Profile AR15 barrel

    For those interested in building lighter weight AR15's, these barrels are the best on the market in my opinion.

    Specs here: 16" PENCIL, 5.56 NATO, Mid-Length, 4150 QPQ - Faxon Firearms

    And available locally at NZAR15

    Comparison to other common profiles:Name:  20160806_213644.jpg
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    L to R: Stag Arms 20" HBAR, CMMG 16" what I'm going to call a hybrid profile, Spikes Tactical 16" Govt, and the 14.5" Faxon Pencil.

    I fitted the barrel to an Anderson Mfg "light weight" upper, which to me is a standard A3 upper minus dust cover and Fordward Assist. The barrel extension was a tight fit to the upper. I used an ALG Defense 12" MLOK handguard, which is very light weight and in my opinion excellent.

    I picked up a second hand RRA AR15 BCG to complete the guts of the upper.

    I test fired the upper off a bench at 100m. Loads I tried are as follows.

    68gr Hornady BTHP, 26gr 2206H, ADI Brass, CCI450

    65gr Sierra Game king with same as above

    55gr Nosler SP, 25.5gr BM2, same case and primer

    These loads have worked well in other rifles so I used them as a preliminary accuracy indication.

    Apologies for the messy targets. Other people were using the range and couldn't be bothered changing them.

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    6 round group with the 55gr Nosler

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    9 shots with the same load as quickly as I could accurately shoot.

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    Two 5 shot groups the SGK's

    It hated the 68gr Hornady so I didn't bother measuring.

    These groups were all shot with the barrel quite warm as i wanted to see how heat would effect the group size, which it seems to not do so much, but I will have to test and see how it effects the MPI.

    I think these results are quite promising and I am curious to see how it goes with further load development. But I've got half a mind just to run the Noslers and GK and go hunting. I'm pretty impressed.
    Glycerine likes this.

  2. #2
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    Cheers for that! I'm considering getting a pencil barrel and this really helped. Running a heavy varmit 20" barrel and I'm a lazy bugger.

    14.5" not too noisy when shooting?


    Sent from my iPhone using Tapatalk

  3. #3
    By Popular Demand gimp's Avatar
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    Wicked good results. Wish they'd been available when I built my current upper. Any speeds?

  4. #4
    res
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    I keep looking at these,just can't justify yet another upper
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  5. #5
    Member Savage1's Avatar
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    Quote Originally Posted by res View Post
    I keep looking at these,just can't justify yet another upper
    Does your Mrs justify her shoes?
    Sasquatch and TianBotha like this.

  6. #6
    res
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    Quote Originally Posted by Savage1 View Post
    Does your Mrs justify her shoes?
    No, but I have lot more $ tied up in guns than she has in shoes.
    And I already have a nice light weight upper built on a dd pencil barrel that has also been to a trip to a gunsmiths mill.

    A carbon barreled ar10 .260 upper is my next big gun expense
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  7. #7
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    Quote Originally Posted by res View Post
    No, but I have lot more $ tied up in guns than she has in shoes.
    And I already have a nice light weight upper built on a dd pencil barrel that has also been to a trip to a gunsmiths mill.

    A carbon barreled ar10 .260 upper is my next big gun expense
    Built one in dpms gen 2 in 6.5 creedmoor and difference in barrel weight from carbon to steel was bugger all just more $ for no gain.

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    How much do the faxon pencil barrels weigh?

  9. #9
    Member 300CALMAN's Avatar
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    Nice result I might just get one of the standard M4 ones for my service rifle upper.

  10. #10
    res
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    Hmm, didn't reality out could buy gen2 barrel extensions.

    I agree the weight difference is not much but I'm hoping 20+ round mag dump will still be on target, and this is something I have not found with light steel .223 barrels

    Would be very interested in your experience as the best part of $2k for a barrel hurts
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  11. #11
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    Quote Originally Posted by res View Post
    Hmm, didn't reality out could buy gen2 barrel extensions.

    I agree the weight difference is not much but I'm hoping 20+ round mag dump will still be on target, and this is something I have not found with light steel .223 barrels

    Would be very interested in your experience as the best part of $2k for a barrel hurts
    Hurts even more ,brand new gun, two trips to two different gunsmiths to get it right.$$$$$$

  12. #12
    Member Beavis's Avatar
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    Quote Originally Posted by Damnitchy View Post
    Cheers for that! I'm considering getting a pencil barrel and this really helped. Running a heavy varmit 20" barrel and I'm a lazy bugger.

    14.5" not too noisy when shooting?


    Sent from my iPhone using Tapatalk
    Sounds just fine with a decent suppressor

  13. #13
    Member Beavis's Avatar
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    Quote Originally Posted by gimp View Post
    Wicked good results. Wish they'd been available when I built my current upper. Any speeds?
    No speeds yet, next range trip. For what it's worth, i measured the 68gr load doing 2800fps from a 14.5" NEA

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    Quote Originally Posted by Beavis View Post
    Sounds just fine with a decent suppressor
    Right. I had a 14.5" and could not handle the noise. Must look into this suppressor thing. Way of the future.

  15. #15
    Grant grunzter's Avatar
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    I have a spikes 14.5" light weight barrel in one of my AR's and its very nice to hold... it was significantly lighter than my 12.5" NEA !

 

 

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