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Author Topic: Twist Rate on CZ-550 Varmint?  (Read 2573 times)

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Offline RugerOldArmy

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Twist Rate on CZ-550 Varmint?
« on: May 28, 2005, 10:32:22 AM »
Anybody know the twist rate on the CZ-550 Varmint?  It's not in the manual, and I couldn't find it on the CZ website either.
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Offline Fred Flinstone

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Twist Rate on CZ-550 Varmint?
« Reply #1 on: May 28, 2005, 06:34:44 PM »
Have a look in this Forum under the Rifle Frequently Asked Question section(page 4). This will also give you the number of grooves.

All the best,
Fred:hat
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Offline RugerOldArmy

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Twist Rate on CZ-550 Varmint?
« Reply #2 on: May 28, 2005, 08:35:03 PM »
Found it.  Thanks.

1-11"  Whoa, I was figuring 1-10" or 1-12".

OK, now, ever put a stony-point gague in and see where your lands start Fred?  (If you have one.)  No gague, but seating marker blackened SMKs, I begin to see rifling marks at 2.885"-ish.

The longest OAL that fits in the mag seems to be 2.850"-ish.

Anybody reload for the CZ-550 Varmint in .308?

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Offline Fred Flinstone

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Twist Rate on CZ-550 Varmint?
« Reply #3 on: May 29, 2005, 06:14:48 AM »
Sorry bud no gauge available:\ , if rifling like their rimfire then the rifling is very close:)  to bullet.
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