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Thread: PSA 16'' PA-15 HF SS12G2 Carbine Initial inspection and range report.

  1. #31
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    Just before the great rush PSA was selling 14.5" M4 profile carbine length barrels and 16"pencil profile mid-length barrels dirt cheap and I picked a few of each up.

    First both styles of barrels were manufactured by FN and I have personally confirmed this with FN. Below is what my skill level with a pin gauge showed,

    14.5" barrel, .750 dia. Carbine length
    Port size from .063"

    16" barrel, .625" dia. Mid-length
    Port size .072"

    Both will cycle perfectly with any brand of cheap steel case with a "H" buffer and Springco White standard power spring. I'll throw in a "H2" for a steady diet of 5.56 but some steel cased (Tula) will short stroke with this combo.
    Last edited by PA PATRIOT; 08-18-13 at 11:19.
    We are all inclined to judge ourselves by our ideals; others, by their acts.

  2. #32
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    Range results were not as great as I hoped. After I zeroed the scope ( 1x5 Weaver tactical) at 50 yards I proceeded to print a 9 round group that was .980 so I had high hopes that I would be able to print a 5 round group at 100 yards...
    My hopes were not completely fulfilled. From a seated position and shooting off a bag ( not the best set up, but the best I could do atm)

    So with a 7-8 lb trigger this is what I got.

    Winchester XM193 @ 100 yards the best I could get was 2.304 group of 5.

    Remington ranger 64 SP best 5 was 1.843.

    Speer 64g GDSP came with a best 5 shot of 1.394


    Golden bear 62 g SP best 5 was 2.169

    Hornady TAP 75g BTHP was the best at 5 shot with .931 spread. I think this is 5... may be four.


    So far this all I have to test. I am going try some 55g ZMAX that a friend says runs sub MOA in his PSA barrel. I am going to try a fully supported set up along with a quality aftermarket trigger, I think that the groups will tighten up considerably... Still this is good performance for a $670 rifle ($1059 sale price - $400 Aimpoint that now rides an AUG)with off-the-shelf ammo
    Last edited by signkutter; 08-18-13 at 16:14.

  3. #33
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    Quote Originally Posted by C4IGrant View Post
    That is because FN doesn't make any commercially available AR's or AR barrels (with their name on it).

    C4

    You just never know what may pop up.....
    found this for sale on TOS: 16" FN marked M-4 BBL.
    http://www.ar15.com/forums/t_7_22/11..._Stripped.html



    .
    Last edited by AMMOTECH; 08-18-13 at 16:33.
    -David

    AR-15 owner/shooter since 1998

  4. #34
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    Quote Originally Posted by polymorpheous View Post
    I don't think FN makes a stainless barrel.
    They do.

    http://www.fnmfg.com/capabilities/Gun%20Barrels/

    "Selection: We produce a complete range of pistol (including threaded barrels) and rifle barrels for commercial applications as well as rifled tubes for sniper weapons and machine gun barrels for military or law enforcement applications. We can meet virtually any caliber requirement and can produce lengths ranging from 4.0” to 28” in length in a wide variety of profiles from light to heavy, M4, M16, M240, etc.

    Finishes include manganese phosphate, stainless steel, and hard and soft chrome."

    .
    Last edited by AMMOTECH; 08-18-13 at 16:41.
    -David

    AR-15 owner/shooter since 1998

  5. #35
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    Quote Originally Posted by PA PATRIOT View Post
    Just before the great rush PSA was selling 14.5" M4 profile carbine length barrels and 16"pencil profile mid-length barrels dirt cheap and I picked a few of each up.

    First both styles of barrels were manufactured by FN and I have personally confirmed this with FN. Below is what my skill level with a pin gauge showed,

    14.5" barrel, .750 dia. Carbine length
    Port size from .063"

    16" barrel, .625" dia. Mid-length
    Port size .072"

    Both will cycle perfectly with any brand of cheap steel case with a "H" buffer and Springco White standard power spring. I'll throw in a "H2" for a steady diet of 5.56 but some steel cased (Tula) will short stroke with this combo.
    Iraqgunz, is .072" ok for a midlength with a .625" gas block? How come some of you don't just use come dial calipers?

  6. #36
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    Quote Originally Posted by black22rifle View Post
    Iraqgunz, is .072" ok for a midlength with a .625" gas block? How come some of you don't just use come dial calipers?
    digital or dial calipers are fine for +/- .003 but when you want to get within .+/- .0005 ... gauge blocks, plug gauges, micrometers are the way to go

  7. #37
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    Re: PSA 16'' PA-15 HF SS12G2 Carbine Initial inspection and range report.

    Quote Originally Posted by signkutter View Post
    Range results were not as great as I hoped. After I zeroed the scope ( 1x5 Weaver tactical) at 50 yards I proceeded to print a 9 round group that was .980 so I had high hopes that I would be able to print a 5 round group at 100 yards...
    My hopes were not completely fulfilled. From a seated position and shooting off a bag ( not the best set up, but the best I could do atm)

    So with a 7-8 lb trigger this is what I got.

    Winchester XM193 @ 100 yards the best I could get was 2.304 group of 5.

    Remington ranger 64 SP best 5 was 1.843.

    Speer 64g GDSP came with a best 5 shot of 1.394


    Golden bear 62 g SP best 5 was 2.169

    Hornady TAP 75g BTHP was the best at 5 shot with .931 spread. I think this is 5... may be four.


    So far this all I have to test. I am going try some 55g ZMAX that a friend says runs sub MOA in his PSA barrel. I am going to try a fully supported set up along with a quality aftermarket trigger, I think that the groups will tighten up considerably... Still this is good performance for a $670 rifle ($1059 sale price - $400 Aimpoint that now rides an AUG)with off-the-shelf ammo
    Looks like excellent performance in my opinion so not sure why you were disappointed. Most of the ammo you shot was 2-3moa ammo on a good day so no surprises you were getting 2" groups.

  8. #38
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    Quote Originally Posted by AMMOTECH View Post
    You just never know what may pop up.....
    found this for sale on TOS: 16" FN marked M-4 BBL.
    http://www.ar15.com/forums/t_7_22/11..._Stripped.html



    .
    Pulled very early PSA barrel. In order for FNH to make a barrel for the commercial market a makers must submit the design including gas port.

    They cannot make their own barrels to sale to civilians since Colt owns the TDP.

    That is why gas port could be anything, the manuf. tells FNH what they want.
    Quote Originally Posted by C4IGrant View Post
    Colt builds War Horses, not show ponies.
    Quote Originally Posted by Iraqgunz View Post
    This is 2012. The world is going to end this December and people are still trying to debate the merits of piece of shit, cost cutting crap AR's. Really?

  9. #39
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    Re: PSA 16'' PA-15 HF SS12G2 Carbine Initial inspection and range report.

    All this talk of gas port sizes would make you think proper/preferred sizes are some sorta secret only known/available to certain manufacturers.

  10. #40
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    There is no standard for a midlength since there is no TDP. I believe its a little small the number I am used to seeing is around .076. In the end I suppose if it will run with a cross section of good ammo then its fine.

    Quote Originally Posted by black22rifle View Post
    Iraqgunz, is .072" ok for a midlength with a .625" gas block? How come some of you don't just use come dial calipers?



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