The answer to this q? is 1-9"
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The 7mm Ultra Mag is a Remington cartridge. THE model 70 is a Winchester rifle. Winchester does not chamber the Model 70 For the 7mm Rem. Ultra Mag cartridge.
Yes.
Proofhouse.com has Winchester sn data
The MAKE is Winchester. That is the company that makes the rifle.
Should be 1 in 9.25
1968
Remington Model 700 bolt action rifles in 7mm Rem. mag. have a 1 in 9 right hand twist (one full turn in nine inches of barrel). This will accomodate bullet weight/length up to 175 grains.
250-600 dollars.depending on overall condition.
Please go to Customer service at Browning.com
should be 1-9.25" mine is