Barrel question?

[Reidus]

MichaelJ, what you're saying is that you can build a 7lb gun that'll shoot 1/2 moa and do a 7-10 shot string with little to no affect on accuracy?
How does barrel life compare to a standard barrel?

Barrel life will be similar to standard steel barrels. It dissipates heat great but the initial temps of powder ignition are the same and in a hunting gun you're not seeing super high shot strings anyways. Powder selection and how hot your load is is a much more deciding factor.

And absolutely. My barrels will open up from .3ish MOA to .75ish MOA when they get really warm (10+ shots) but they'll hold that .75MOA all day long.

Built a 280Ackley for a guy that ran a 20 shot group one after the other and it went right at 1MOA.... considering he shoots off a sandbag with no rearbag and factoring in shooter consistency that's pretty solid if you ask me.


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That's is awesome! Haven't heard anything like this from the other carbon/composite barrels out there.

[b23]

MichaelJ, I've read that the longer the fiber the better the heat dissipation, how does that relate to wrapping barrels?

Also, do you have the actual equipment to wrap barrels or do you use a service that wraps them for you but to your specs??

[MichaelJ]

MichaelJ, I've read that the longer the fiber the better the heat dissipation, how does that relate to wrapping barrels?

Also, do you have the actual equipment to wrap barrels or do you use a service that wraps them for you but to your specs??

Could be true I couldn't tell you with certainty. Heat dissipation isn't a main focus of these barrels but it is a biproduct of the wrap and our process.

As I said earlier I'm partnered up with a composites engineer that does the wraps and has the application equipment. He wraps the barrels and I build the guns.  Bringing in knowledge from both industries has helped along the way. We work out of different shops as I'm a one man shop who kicks out maybe 50 rifles a year and he does a plethora of other composites work.

Mike


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[MichaelJ]

In your research have you played with the orientation of the spine of the wrap at all? I know the question is coming from a different world but I'd imagine if there was any truth about spine indexing arrows to increase accuracy that you might see it come into play here.

Not so much the spine and the barrel itself isn't the projectile. As long as the barrel is free floated then it doesn't matter. I've played with indexing the curve of the rifle bore and it doesn't affect accuracy at all. I've chambered factory rejects that were as crooked at .060" end to end and they still shot under 1/2MOA. It's more about a good true/square chamber, how the bullet enters the rifling, and no induced stress in the rifle. Understanding possible sources of stress is pretty crucial.



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