Cz 550 .375 bolt face caliber options

k128

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I just won an auction for a cz550 safari classics complete magnum receiver with a 375 h&h bolt face. I've never had a rifle built before, but I know the easiest (read cheapest) thing to do is a bell and carlson, and have the action fitted with a caliber thats h&h based. I've already got a 375 h&h and a 416 rigby. I want to go as large as possible and i think the 458 lott is essentially the largest for the bolt face if I'm not mistaken? I'd love to go .500j or 505 gibbs, but does the bolt face/extractor have enough meat to machine to the case head specs?
 

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Grz63 wrote on Werty's profile.
(cont'd)
Rockies museum,
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Horseback riding in Summer star ranch
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Flathead lake, road to the sun and hiking in Glacier NP
and back to SLC (via Ogden and Logan)
Grz63 wrote on Werty's profile.
Good Morning,
I plan to visit MT next Sept.
May I ask you to give me your comments; do I forget something ? are my choices worthy ? Thank you in advance
Philippe (France)

Start in Billings, Then visit little big horn battlefield,
MT grizzly encounter,
a hot springs (do you have good spots ?)
Looking to buy a 375 H&H or .416 Rem Mag if anyone has anything they want to let go of
Erling Søvik wrote on dankykang's profile.
Nice Z, 1975 ?
Tintin wrote on JNevada's profile.
Hi Jay,

Hope you're well.

I'm headed your way in January.

Attending SHOT Show has been a long time bucket list item for me.

Finally made it happen and I'm headed to Vegas.

I know you're some distance from Vegas - but would be keen to catch up if it works out.

Have a good one.

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