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Anyone ever reverse engineered HSM Trophy Gold ammo?

 
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Old 06-19-2012, 10:43 AM
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Anyone ever reverse engineered HSM Trophy Gold ammo?

I'm just getting into reloading, and my Sendero in 7mm Rem Mag currently shoots best with HSM Trophy Gold ammo with 168 gr Berger bullets. It beat out the Winchester ammo I've had as my best up until this year.

I was wondering if anyone has every taken one apart and recognized the powder and/or primer components are used in 7mm HSM ammo? If so, would you mind sharing what they were? I'd love to make an exact copy of the factory ammo as a good place to start with my reloading.

Thanks for any input you have!
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Old 06-19-2012, 03:07 PM
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Re: Anyone ever reverse engineered HSM Trophy Gold ammo?

Quote:
Originally Posted by Dr. Vette View Post
I'm just getting into reloading, and my Sendero in 7mm Rem Mag currently shoots best with HSM Trophy Gold ammo with 168 gr Berger bullets. It beat out the Winchester ammo I've had as my best up until this year.

I was wondering if anyone has every taken one apart and recognized the powder and/or primer components are used in 7mm HSM ammo? If so, would you mind sharing what they were? I'd love to make an exact copy of the factory ammo as a good place to start with my reloading.

Thanks for any input you have!
Bergers are super easy and you already have part of the puzzle figured out. Bergers are very sensitive to changes in seating depth you already know yours. Now you could call and ask, maybe they will tell you maybe not. If keep your seating depth the same and start throwing some charge weight and primer options at it.

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Old 06-19-2012, 07:13 PM
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Re: Anyone ever reverse engineered HSM Trophy Gold ammo?

Factory ammo can be difficult to replicate. Several use proprietary blended powder that isn't available to the public. Usually you can find a set up that performs at least as well as the factory ammo because you can tune it specifically to your rifle. YMMV
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Old 06-19-2012, 10:07 PM
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Re: Anyone ever reverse engineered HSM Trophy Gold ammo?

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Originally Posted by Trnelson View Post
Factory ammo can be difficult to replicate. Several use proprietary blended powder that isn't available to the public. Usually you can find a set up that performs at least as well as the factory ammo because you can tune it specifically to your rifle. YMMV
Generally I'd agree, but HSM is sort of unique in that it's not a large manufacturer like a Remington, Winchester, Hornady, etc. I highly suspect that they use a "normal" powder like H-1000, Retumbo or the like when they load the ammo unless they go through the trouble of having custom blends made - which I doubt based on the price. So, I was hoping that someone with more experience at identifying powders would have taken one of these apart.
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Old 06-19-2012, 10:33 PM
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Re: Anyone ever reverse engineered HSM Trophy Gold ammo?

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Originally Posted by Dr. Vette View Post
Generally I'd agree, but HSM is sort of unique in that it's not a large manufacturer like a Remington, Winchester, Hornady, etc. I highly suspect that they use a "normal" powder like H-1000, Retumbo or the like when they load the ammo unless they go through the trouble of having custom blends made - which I doubt based on the price. So, I was hoping that someone with more experience at identifying powders would have taken one of these apart.
I have been reloading for more than 10 years in shot gun, several pistol, and rifle calibers. I enjoy shooting a bit of three gun and load all my own ammo. Through that experience I've acquired quite a selection of powders in my fire proof cabinet. Granted, I'm not a professional shooter or reloader but I do go through a fair amount of various powders. I can easily differentiate between rifle and pistol and sometimes pistol and shotgun, but there's quite a bit of overlap so some powders can go for either. However a lot of it looks very similar when you don't have direct means to ascertain precisely what powder it in fact is. I guess my point is I wouldn't ever trust simple visual identification of powder and call it gospel. I especially would be cautious of any advice as to that I got off the Internet. There may well be someone someplace who can do that but I don't think I'd bet my rifle and potentially my wellbeing on it. Best of luck, be safe. YMMV
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Old 06-19-2012, 11:21 PM
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Re: Anyone ever reverse engineered HSM Trophy Gold ammo?

I know. I'm just trying to narrow down the possibilities. I have 3 powders here that I'll probably try but with all the experience here I figure it's worth asking.
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Old 06-19-2012, 11:52 PM
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Re: Anyone ever reverse engineered HSM Trophy Gold ammo?

I can find no fault in asking. That's how we all learn more together. However this is a really tricky question. For the sake of an example I'll cite the spherical powders H414 and government surplus powder WC867. 414 is a medium slow powder 60g is a stiff load behind a 150g bullet in 30/06 and gets you pretty near to 3,000fps out of a 24" barrel and is a complete burn leaving little to no residue. The same 60g charge of the very slow burning WC867 (50bmg, 20mm powder, heavily overbore rifle) will yield maybe 2,100fps will be a terribly foul burn and most likely will not all ignite. Put each powder side by side on the bench in a tray and there is no visual difference I can perceive. YMMV
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