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Thread: 147gr subsonic in 300 blackout

  1. #1
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    147gr subsonic in 300 blackout

    Has anybody ever shot a handloaded 147 gr subsonic or supersonic in a 300 blackout barrel. How about load data? Much less expensive than the 125 gr or 220 gr. I am just trying to figure out how much this caliber will cost me to shoot.

  2. #2
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    Both Hornady and Sierra load manuals have data for the 300 W that can be used for 300 BLK.

    147gr will be a supersonic load if you want an AR to cycle.

  3. #3
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    Ok, how about 173gr m118?

  4. #4
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    Even 210 has weakened cycling vs 220.

    I would stick to 200 or more grains.

    Some people are working out cheap cast bullets.

  5. #5
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    Drat, I was hoping to be able to use something cheaper....guess not...thanks

  6. #6
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    I'm guessing the 175 grain CMMG subsonic cycles only while suppressed.
    "You can't stop insane people from doing insane things with insane laws...it's...insane!" -- Penn Jillette

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