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Old June 10, 2019, 07:01 AM   #1
mccraggen
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Join Date: March 31, 2017
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Fiocchi 40 grain vmax 204 ammo question.

hey guys im new here, G'day from down under.

Im a very new 204 owner (T/C venture 22 inch sporter 1-10" twist)

I have found that this rifle is very accurate with Fiocchi 40 grain ammo, but there is a little problem, sometimes the brass has slightly raised primers. My only concern is the ammo is too hot and or dangerous.

Anyone else had a similar experience or chronied the ammo?

Thanks!
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Old June 10, 2019, 01:58 PM   #2
GLK
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Following as I just bought a TC Dimensions barrel in 204 Ruger & found that ammo at a deal.
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Old June 11, 2019, 05:48 AM   #3
jpx2rk
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I believe you will find the brass is oversized (too short) for the chamber. I had similar issues in my Savage FV12, and that was my primary issue. Once I reloaded the brass a couple times, no issues with the GFL brass. I tried pulling some ammo to get the brass and move on but I could not get the bullets to budge with a kinetic puller (hammer) after numerous strikes so I gave up on that idea. On the few I was able to pull, the powder charges were a bit inconsistent.
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Old June 11, 2019, 01:53 PM   #4
T. O'Heir
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Fiocchi loads to CIP spec not SAAMI. TC makes chambers to SAAMI spec.
Midway says the MV is 4125 FPS out of a 26" barrel.
Nobody publishes pressure figures. SAAMI MAP is 58,000 PSI though. CIP is 59,000 PSI.
Might be an idea to rummage around here.
https://204ruger.com/index.php?sid=f...b83537f25c9ae3
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