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Steven N. asked 1 year ago:
2 answers
Hi Steven, I would trust the CZ web site, which say twist rate of 1:9 with 6 grooves >>> czub.cz/en/firearms-and-products-product/cz-600-american Stay safe & have a great day!
Ed C.
1 year ago
Hi Steven and welcome. CZ says 1 in 9 so I would go with CZ assessment. Cheers, stay safe and enjoy!
James G.
1 year ago
