Powders for 300 Blk Out

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Tothemax!
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Powders for 300 Blk Out

Post by Tothemax! »

Howdy.

Before I make the purchase I want to make sure I am buying the right powders. I will be building a 16" gun with a Noveske barrel.The twist is 1:7. I will be shooting it suppressed from time to time. My can is a AAC 762SDN6.

What is a good powder for subsonic loads? A1680?
How about for supersonic? H110?

What bullet weight should I go with for Supersonic/subsonic loads?

Are standard small rifle primers ok to use?

Thanks. Sorry for the newbie questions. I'm learning.
rjacobs
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Re: Powders for 300 Blk Out

Post by rjacobs »

do some searching. There are multiple threads on the first page of this forum that have the exact answers to your questions. There is a 40 page thread with reloading data in it.
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Tothemax!
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Re: Powders for 300 Blk Out

Post by Tothemax! »

I found those threads after I posted. I started reading through them but have to find the info on 16" uppers. There is a lot of misc info in them!
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BobinNC
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Re: Powders for 300 Blk Out

Post by BobinNC »

Hodgdon Lil'Gun yields the highest velocities at the lowest pressures with: 110gr, 125gr, 130gr, and 135gr, bullets, and is suitable for sub-sonic loads. Hodgdon On-line Reloading Center http://data.hodgdon.com/cartridge_load.asp gives you loads and pressures all from a 16" barrel. My rifle is a 16" DD Ambush.... IMHO, YMMV...
Last edited by BobinNC on Fri Aug 31, 2012 4:07 pm, edited 1 time in total.
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Tothemax!
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Re: Powders for 300 Blk Out

Post by Tothemax! »

BobinNC wrote:Hodgdon Lil'Gun yeilds the highest velocities at the lowest pressures with: 110gr, 125gr, 130gr, and 135gr, bullets, and is suitable for sub-sonic loads. Hodgdon On-line Reloading Center http://data.hodgdon.com/cartridge_load.asp gives you loads and pressures all from a 16" barrel. My rifle is a 16" DD Ambush.... IMHO, YMMV...
Copy. Thanks!

Whats the deal with the Trail Boss powder? Doesn't seem to take much powder??
rjacobs
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Re: Powders for 300 Blk Out

Post by rjacobs »

Tothemax! wrote: Whats the deal with the Trail Boss powder? Doesn't seem to take much powder??
not acceptable in AR15 type guns. Wont cycle the action from what I read.
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Tothemax!
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Re: Powders for 300 Blk Out

Post by Tothemax! »

rjacobs wrote:
Tothemax! wrote: Whats the deal with the Trail Boss powder? Doesn't seem to take much powder??
not acceptable in AR15 type guns. Wont cycle the action from what I read.
Copy, Thanks
moonie
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Re: Powders for 300 Blk Out

Post by moonie »

It is very fluffy, designed for low velocity and very bulky to take up space in cartridges. Doesn't have the gas volume to cycle gas systems.
jackson
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Re: Powders for 300 Blk Out

Post by jackson »

what about a1680?I thought that was suppose to be a good powder to use. dont know am just asking.
Ken73
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Re: Powders for 300 Blk Out

Post by Ken73 »

I've used A1680 just fine for subsonic - L1A1 suggested A5744 as it's purportedly quieter through a suppressor. Both cycle and lock just fine.
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