If it is a J series in 30-06 no problem. The problem arises when you have one in short calibers like .308 and want to change to a long caliber. The J's were in the range of long calibers that were made to shoot short calibers before they actualy went to a short acion. The J sereies bolt spacing should be 4.522 for the short version, 5.062 for the long version. They are all intrnal magazines, staggered feed. Aftermarket stocks are available.
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