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#5650021 - 03/13/15 03:05 PM WTF: 300 B.O. subsonic load w 208 amax
wtjim Offline
Tracker

Registered: 07/18/12
Posts: 564
Looking for a load for 300 blackout that is subsonic using 208 grain amax. Prefer a powder that is easily found on the shelves these days. It will be from a 10.5" barrel. Thanks in advance for the information.

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#5650025 - 03/13/15 03:07 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
FiremanJG Online   content
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Registered: 12/16/08
Posts: 20100
Loc: Wolfe City, TX
Where's Chad? popcorn
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#5650055 - 03/13/15 03:23 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
jdk1985 Online   content
THF Celebrity

Registered: 08/15/11
Posts: 11912
Loc: Waco, TX
That's exactly what I say about 300 BO... WTF.

stir

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#5650133 - 03/13/15 04:26 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
elkhunter7x6 Offline
Pro Tracker

Registered: 09/11/06
Posts: 1003
Loc: Panola County
Originally Posted By: wtjim
Prefer a powder that is easily found on the shelves these days.

Good luck with that, there has been no such powder around here for the past 27months.

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#5650154 - 03/13/15 04:42 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
DStroud Offline
Pro Tracker

Registered: 11/02/11
Posts: 1400
Loc: Waco
I use AA5744 or AA1680

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#5650243 - 03/13/15 05:36 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
Beaubien Offline
Bird Dog

Registered: 02/18/15
Posts: 473
Loc: In the mountains east of ABQ
Imr 4227 is also an option.
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#5650280 - 03/13/15 06:06 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
wtjim Offline
Tracker

Registered: 07/18/12
Posts: 564
DStroud & Beaubien, can y'all send me your got to load info?

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#5650964 - 03/14/15 09:20 AM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
boonee Offline
Veteran Tracker

Registered: 01/09/11
Posts: 2154
Loc: Mesquite/Canton
Try 10.9 of AA1680 Should be close to 1000 fps. Measured out of my 16" at 1075 fps.
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#5651049 - 03/14/15 11:01 AM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
wtjim Offline
Tracker

Registered: 07/18/12
Posts: 564
boonee,

Thanks for the load info.

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#5651234 - 03/14/15 02:40 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
Beaubien Offline
Bird Dog

Registered: 02/18/15
Posts: 473
Loc: In the mountains east of ABQ
10.1 grains of 4227. Velocity of 1002 fps
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#5651290 - 03/14/15 04:03 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: jdk1985]
RiverRider Online   content
THF Trophy Hunter

Registered: 11/11/07
Posts: 6844
Loc: Wise Co.
Originally Posted By: jdk1985
That's exactly what I say about 300 BO... WTF.

stir


rofl

Me too. I always figured a .30-30 was plenty pokey.
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Originally Posted By: Cleric
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#5651969 - 03/15/15 09:50 AM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: Beaubien]
bobsumner Offline
Woodsman

Registered: 09/03/13
Posts: 182
Originally Posted By: Beaubien
10.1 grains of 4227. Velocity of 1002 fps


When I utilize the 208A's this is exactly what I load. I have found 4227 to be very picking on metering, and occasionally I will receive a crack on my 220SMK that be running a little hot. My Unique Mircrometer Powder bar has helped on the metering.

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#5652691 - 03/15/15 08:23 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
ChadTRG42 Online   happy
THF Celebrity

Registered: 09/16/09
Posts: 10501
Loc: Lewisville, TX
Honestly, the powder I choose is based on the rifle first, then the weight of the bullet. The powder I use is totally different for a bolt gun than it is for an AR. And different from a 16" AR to an SBR rifle. So, it helps to know what rifle it will be fired in.
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#5654083 - 03/16/15 07:15 PM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
fr3db3ar Offline
Bird Dog

Registered: 02/08/15
Posts: 344
Loc: Holland, MI
Try some H110

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#5654812 - 03/17/15 09:49 AM Re: WTF: 300 B.O. subsonic load w 208 amax [Re: wtjim]
wtjim Offline
Tracker

Registered: 07/18/12
Posts: 564
10.5" AR style platform. Thank y'all for the replies.

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