Fury Universal Fit vs Bore Specific

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Dec 24, 2025
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Hello. Does anyone have experience comparing universal fit fury bullets, specifically the 320 grain .50 cal, with their bore specific? I have another muzzleloader elk tag this fall and looking at yet again trying another bullet and these peaked my interest. Shooting 2 knight mountaineers. One I have sized for 0.502 Thor bullets, the other is likely similar but possibly 0.501. Just wondering if I should test both, universal fit and size the bore and try the bore specific? Has anyone noticed a difference in accuracy between them? Also, if you have used them on larger game like elk, how was performance? Thanks for your time.

Jeff
 
No experience firsthand but I did read someone had bought furys based on the Thor size and it did not work, so buying the fury sizing kit would be recommended.
 
I got the sizing pack for my 50 cal mountaineer and bought a bag of 501s based on that.
I found the loading pressure to be pretty inconsistent shot-to-shot. According to Fury, this necessitated a sizing die.
Went with the universals instead and haven’t had a problem.
I can’t comment on accuracy between the two but the universal has been satisfactory for many guys. One drawback is that, to my knowledge, the universal is undersized and thus will require a stout load to obturate into the rifling.
I killed my first elk ever with the 320gr universal on Thanksgiving. 56 yards quartered away and he went ten yards or less. Didn’t recover the bullet as I was solo and on a time crunch.
 
I’m a big fan of the universal fit. They shoot great out of my optima. I previously shot Thors and had a lot sizing issues with them, which led to inconsistent groups.
 
the universal is undersized and thus will require a stout load to obturate into the rifling.
That was my experience. In a Rem UML using 3 pellets they keyholed. Using 4 pellets they shoot fantastic tested out to 500yds. It was/is a friends gun and he's married to pellets so that's what I tested with. It's a gun that gets loaned out a lot and that is the reason to use pellets, to keep it loading wise as simple as possible. Fury Uni's and pellets are about as simple as it gets. It is a heavy recoiler though with 4 pellets and 320 Fury's with no brake.
 
Is anyone shooting Fury bullets out of a CVA Accura?

I have been looking at ordering some to test for a muzz hunt this fall and have debated a bit between the universal and bore specific sizes.

These will be shot with Blackhorn powder and 209 magnum primers.
 
Is anyone shooting Fury bullets out of a CVA Accura?

I have been looking at ordering some to test for a muzz hunt this fall and have debated a bit between the universal and bore specific sizes.

These will be shot with Blackhorn powder and 209 magnum primers.
I shoot the fury universals with BH209 out of my Accura MRX. They shoot very well.
 
I shoot the max recommended load, 120gr by volume of BH209.

I do also run the vari-flame breech plug & adapters with large rifle magnum primers instead of 209 primers.
Thanks, was curious.

I don't think large rifle magnum primers are hotter than a fed 209A or such are they? Or was that not what you were implying and just merely stating your setup?
 
That's correct, I don't believe they are technically hotter, but I believe they deliver a longer more consistent burn rather than a shorter hotter flash. I'm not 100% certain on all that. I primarily use them because I believe they (atleast in theory) should be more consistent than a shotgun primer, but I cant say where there is any merit to that theory or not.. I also doubt I can shoot well enough with open sights to notice a difference, but it makes me feel warm and fuzzy using them.

I do know the high end smokeless Muzzleloaders and paramount class muzzleloaders all run some form of a large rifle primer module.

I was mostly just bringing that up as stating my full setup. It's also worth noting that I also weigh all my charges for consistency.
 
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