Comp for 300 Blk

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apriav
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Comp for 300 Blk

Post by apriav » Mon May 07, 2012 10:42 pm

Anybody using a comp on a 300 Blackout. I am going to shoot 175 gr bullets at 1600+ fps to make 280+ power factor.

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Wahoo95
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Re: Comp for 300 Blk

Post by Wahoo95 » Tue May 08, 2012 9:11 am

I have a Brakeout which works well. Another option would be the Battlecomp BABC or Dynacomp 308.
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hoser
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Re: Comp for 300 Blk

Post by hoser » Sun May 20, 2012 10:29 pm

I am using a Bennie Hill Rolling Thunder.

ebg3
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Re: Comp for 300 Blk

Post by ebg3 » Sat Jun 23, 2012 6:47 pm

I finally got my 20" upper put together with a Rolling Thunder Comp. That's a big comp!

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Re: Comp for 300 Blk

Post by hoser » Sat Jun 23, 2012 10:37 pm

ebg3 wrote:I finally got my 20" upper put together with a Rolling Thunder Comp. That's a big comp!
Get the 223 version and open it up to 5/8x24 and open up the exit hole to 308.

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Re: Comp for 300 Blk

Post by ebg3 » Sun Jun 24, 2012 6:33 am

hoser wrote:
ebg3 wrote:I finally got my 20" upper put together with a Rolling Thunder Comp. That's a big comp!
Get the 223 version and open it up to 5/8x24 and open up the exit hole to 308.
Is this what you did? I was going to do that with a Cooley comp but saw the Rolling Thunder comp offered for 30 cal. and bought it.
EG

BC98
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Re: Comp for 300 Blk

Post by BC98 » Sun Jun 24, 2012 2:32 pm

I've used the PWS FSC30, AAC Brakeout, & BABC on my 9" upper. All have worked well.

hoser
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Re: Comp for 300 Blk

Post by hoser » Mon Jun 25, 2012 9:23 am

ebg3 wrote:Is this what you did? I was going to do that with a Cooley comp but saw the Rolling Thunder comp offered for 30 cal. and bought it.
EG
Yup. Not enough gas to make that big comp work.

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Grendel65
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Re: Comp for 300 Blk

Post by Grendel65 » Mon Jun 25, 2012 9:51 am

I use the 24X5/8" Shrewd with a hole reamed out to .340
http://www.brownells.com/.aspx/pid=1307 ... ZZLE-BRAKE
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300Blk
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Re: Comp for 300 Blk

Post by 300Blk » Sun Jul 15, 2012 1:17 pm

hoser wrote:I am using a Bennie Hill Rolling Thunder.

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