Re: Remington 597 .17HMR Recall
The 597, like the Ruger 10/22, is a cheapy design. It doesn't surprise me that it too has problems with the 17 cal rimfires. It may be as I said before:
That's is exactly why the mass of the bolt and the force of the recoil spring (and the hammer spring too) are a balancing act against the pressures. The timing can be adjusted with those components to assure the bolt is closed long enough so that the remaining pressures will not bulge the case as the bolt opens. So if that timing is not possible (for whatever reason???) then the cartridge is not a good choice for a semi-auto blow back action.
LDBennett
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