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Thread: 20 inch Faxon Gunner - First build from scratch

  1. #1
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    20 inch Faxon Gunner - First build from scratch

    I decided that I could not live without a relatively light, but scoped, AR-15 for the range and hunting. I already have two 16" ARs, and wanted this build to be a little different. I knew I wanted to use quality parts, and had a $1500 (ish) budget.

    Specs:
    Stripped upper and lower - Sabre Defence

    Upper parts - Sionics

    Lower parts - ALG, Sionics selector, Forward Controls EMR

    Trigger - Geissele G2S

    Rail - 15" gray ALG EMR V1 M-LOK

    Barrel - 20" Faxon Gunner, Faxon pinned low profile gas block

    Muzzle device - Black River Tactical Mini Comp

    BCG- Toolcraft Nitride with 9130 bolt

    Charging Handle - BCM Mod 4

    Buffer System - BCM Intermediate Buffer System (A5) Kit * I added two tungsten weights to the A5H0 buffer to create a "standard" A5H2

    Furniture - Gray SL stock, K2+ pistol grip, type 1 rail covers, alloy trigger guard are all Magpul

    Scope - Leupold VX-2 4-12X40 AO, previously a VX-2 2-7X33

    Scope mount - Aero extended 1"

    Bipod - 6-9" Harris notched non swivel







    The rifle is light (just over 7 lbs no ammo or bipod) and well balanced without the bipod. It is soft shooting and the rubbery PG and rail covers are comfortable and grippy when my hands are sweaty. The G2S blows my excellent BCM PNT trigger out of the water. The rifle has been perfectly reliable with a variety of ammunition and magazines.

    Best group so far is just over 1/2".

    I feel that the build met all my expectations. I will replace the Sionics single side selector with a Sionics ambidextrous selector and swap the 2-7 scope back onto the rifle after some more range time and maybe load development.

    I contacted Black River Tactical and Sionics customer service prior to buying parts, and both provided excellent assistance.

    I am very satisfied with all the retailers I bought parts from: Aim Surplus, BCM, BRT, Joe Bob Outfitters, Sionics, and Tom's Tactical.

    Comments and suggestions are always welcome.

    Andy
    Last edited by AndyLate; 07-16-17 at 22:17. Reason: reduce pic size, too long

  2. #2
    FaxonNathan Guest
    Very nice. Good shooting and thanks for sharing!

  3. #3
    Join Date
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    Thanks, Nathan

    Here is what I was looking for when I started the build:

    USA parts as much as possible
    Free floating rail
    2 stage trigger
    Adjustable length of pull stock to allow for seasonal clothing changes and shooters of various statures
    18-20" barrel to increase velocity and reduce blast and concussion for the shooter and bystanders
    1/8 or 1/7 twist, light weight barrel
    Coyote or deer appropriate scope

    Target Weights:
    Bare rifle close to 6 lbs
    Scoped rifle close to 7 lbs
    Scoped rifle with bipod close to 8 lbs
    Loaded, scoped rifle close to 8 lbs
    Loaded, scoped rifle with bipod close to 9 lbs

    The rifle with VX2 2-7x33 scope and bipod is actually about 8.2 lbs.

    Andy

  4. #4
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    Nice build and parts list. Every time a see a post on a forum about the Gunner barrel I am impressed by the performance. It will be in my next build. Might try their new stainless 5r match version in that profile
    Last edited by everready73; 07-19-17 at 19:26. Reason: Spelling

  5. #5
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    AndyLate:

    You're setting the bar pretty high with that one, brother! I really like the end result and the thought that went into both setting the specs and then meeting them.

    I'm particularly appreciative of your optics solutions. A lot of people carefully put together a nice, lightweight carbine, and then plunk 20 or 30 ounces of optic atop it. Yes, the 30mm illuminated reticle 1-4, 1-6 and 1-8 scopes do bring a lot of capacity to the table, but (as always) you're paying for that in weight. How much of that capacity do you need? Where is the balancing point between "I need a good quality optic" and "that doesn't weigh a ton"?

    This strikes me especially because I've got the 20" bug, and the rifle I keep dreaming up looks an awful lot like yours . . . down to more or less having settled on a Leupold VX2 2-7.

  6. #6
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    Thanks, Moonlight.

    After building and shooting the rifle, the only thing I would do differently is think long and hard before buying the (any) bipod.

    I have already removed the 4x12 and re-installed the 2x7, I just like the way the rifle handles and shoots with it.

    The Aero extended mount was perfect for me - with the 2-7 scope.

    Andy

  7. #7
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    Quote Originally Posted by AndyLate View Post
    Thanks, Moonlight.

    After building and shooting the rifle, the only thing I would do differently is think long and hard before buying the (any) bipod.

    I have already removed the 4x12 and re-installed the 2x7, I just like the way the rifle handles and shoots with it.

    The Aero extended mount was perfect for me - with the 2-7 scope.

    Andy
    Thanks for the response! I'll bet you're going to enjoy your twenty.

  8. #8
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    Great build OP. Looks like it most certainly shoots straight as well.
    Good night Chesty...wherever you are.

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