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Thread: VIDEO: Subsonic Suppressed 223 / 5.56

  1. #21
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    Quote Originally Posted by C4IGrant View Post
    Good question. Most sub sonic loads use a 70-80gr bullet and "filler" to replace gun powder. These used a bullet in the 150gr arena (if I remember corrrectly).

    I had my gun zero'd for 50yds and had little poi shift from that zero.


    C4
    Good grief...i didn't know a 150gr was even available. I'm guessing it's not over the counter for the reloader?? Talk about bearing surface...Wouldn't you need to move to a much faster burning powder for an oversized pill like this??

    Any ideas to aquire components & work up a sub-sonic hand load that will cycle in a suppressed sbr?? I could start testing in Jan. I think this has great potential for the fun factor. One mag for a 50-75yd pig massacre and the other mag ready for any other varmint. Oh man, the wheels are spinning...
    "You cannot invade the mainland United States. There would be a rifle behind each blade of grass."
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    "A wise man's heart directs him toward the right, but a foolish man's heart directs him toward the left."
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  2. #22
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    Utterly pointless.

  3. #23
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    Quote Originally Posted by Jason_R View Post
    Utterly pointless.

    As a newcomer, perhaps add something a bit more substantial rather than nothing at all.
    "Facit Omina Voluntas = The Will Decides" - Army Chief


  4. #24
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    Quote Originally Posted by Tangotag View Post
    Ring,
    What barrel was used in your video? 5.56 NATO chamber? Will your suppressor when mounted cycle standard M193 rounds?

    223 chamber 1-9
    yes with normal loads it works fine with the can
    Last edited by Ring; 12-02-09 at 21:09.

  5. #25
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    Quote Originally Posted by Artos View Post
    Good grief...i didn't know a 150gr was even available. I'm guessing it's not over the counter for the reloader?? Talk about bearing surface...Wouldn't you need to move to a much faster burning powder for an oversized pill like this??

    Any ideas to aquire components & work up a sub-sonic hand load that will cycle in a suppressed sbr?? I could start testing in Jan. I think this has great potential for the fun factor. One mag for a 50-75yd pig massacre and the other mag ready for any other varmint. Oh man, the wheels are spinning...


    hes talking about 308.. i have sub loads for those as well if any of you like

  6. #26
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    Quote Originally Posted by Ring View Post
    hes talking about 308.. i have sub loads for those as well if any of you like
    i thought his post said 556??


    If you have a good recipe for a heavy load that will cycle in a suppressed 5.56 sbr, I would like to play around with it for hunting applications. If it requires changing out springs then i'll stick to the 22lr.
    "You cannot invade the mainland United States. There would be a rifle behind each blade of grass."
    Japanese Admiral Yamamoto, 1941




    "A wise man's heart directs him toward the right, but a foolish man's heart directs him toward the left."
    Ecclesiastes 10:2:

  7. #27
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    i have never scene a subsonic 223 load that will cycle.
    your useing 3 to 6 grains of powder depending on bullet and powder type... you wont get the gas volume to cycle properly.

    75 and 77 will stabilize in a 1-9 at full speed, but at subsonic, even in a 1-7 you are begging for a baffle strike.

    in a 308, useing trailboss, your loads are 9 to 11gr in 150gr to 220gr bullets

    some reports of 308 subs cycling
    Last edited by Ring; 12-02-09 at 21:56.

  8. #28
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    308 Loads
    220 Hornady RNSP
    10.7 gr of Trail boss
    1040 fps
    mag primers, win cases
    3/4-1" groups at 100

    200 gr Lapua Subsonic, 10.0 gr Trail Boss, WLRM, 2.20" O2H
    967 fps @ 70F

    Come-ups
    100 yds, 4.2 mil
    200 yds, 9.2 mil
    280 yds, 14.2 mil


    Hornady 180 RN
    Federal brass
    Fed 210 primer
    8.6gr vv N320
    2.635" OAL
    Avg vel=1022fps @ 48*F

    Case: Federal Gold Medal
    Primer: CCI 200 Large Rifle
    Powder: IMR Trail Boss
    Bullet: Sierra 170gr (30-30) bullet .308 dia. #2010
    Starting Load: 9.0gr (980 fps average)
    Work Up: loaded to 9.8 (1017 fps average)
    Accuracy Load: so far most producing Sub-MOA
    Basic Dope:
    0'd @ 50yd
    75 - 2.25MOA
    100 - 4.5MOA
    125 - 7.0MOA
    150 - 9.5MOA


    Lake City Brass (resized and cleaned)
    BERGER 155 BT MATCH
    TRAIL BOSS Powder
    WLR Primers

    Ok... Started with 2 Loads

    (10) w/ 10 grns OAL = 2.8

    (10) w/ 10.5 grns OAL = 2.8

    10 grns averaged at 1055 fps

    10.5 grns averaged at 1080 fps

    10.5 Was VERY accurate even DINGING the 200 yard Steel target.

    ** Rifle was sighted in at 100 yards using Black Hills 175 BTHP Match Ammo.

    With the SUPPRESSOR attached and 10.5 grn load I was EXACTLY 2 MILS low at 50 yards.

    and.... 5 MILS low at 100 yards.


    Case: LC90
    Powder: TrailBoss 9.6
    Bullet: 180 RN Hornady
    Primer: CCI 250



    9.6 Trailboss
    FGMM Brass
    Sierra 180
    210M Primer

    A 4 shot group was sub minute.


    FGMM Brass
    180gr Speer RN
    CCI 200
    COAL 2.810

    11.5gr Trail Boss is giving me 1056fps avg from my 20" 700VS.

    9.6gr gives me 1140 with 150gr RN.


    Sierra 170gr (30-30 rond nose, flat based bullet)
    10.0gr TrailBoss
    210M's
    IMI brass
    OAL 2.70"

    10.0grs averaged 1069fps
    11.0grs averaged 1106fps

  9. #29
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    Someone could take a $150 Ruger 10/22, go to Walmart, and buy a $30 Pro-point, and a $3 box of .22LR subsonics, and do essentially the same thing as performed in that video. A bonus would be, that it would most likely cycle, and not be a single shot. I don't get it. Seriously, not trying to be rude, I honestly don't understand what the point is. An AR is a high powered rifle, not a 900 FPS .22.
    In Valor, there is Hope
    Master Firearms Instructor
    Patrol Carbine Instructor

  10. #30
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    Quote Originally Posted by Jimbo45 View Post
    Someone could take a $150 Ruger 10/22, go to Walmart, and buy a $30 Pro-point, and a $3 box of .22LR subsonics, and do essentially the same thing as performed in that video. A bonus would be, that it would most likely cycle, and not be a single shot. I don't get it. Seriously, not trying to be rude, I honestly don't understand what the point is. An AR is a high powered rifle, not a 900 FPS .22.
    guess u didnt read the 1st page

    someone on ar15.com did a test, 223fmj subs will go threw a 2" phone book then. Lvl3 vest then stop in a second 4" book

    it also went threw 2 or 3 2x4's

    don't see. 22lr doing that
    they have there place.... if you have a use

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