The first picture is a 1997 Sendero 7STW.Here is another rifle that has a Sendero contour barrel.It is in a Remington LSS stock with the barrel channel opened up to fit the larger barrel.
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~Molɔ̀ːn Labé Skýla~
As Bob Hagel would say"You should not use a rifle that will kill an animal when everything goes right; you should use one that will do the job when everything goes wrong."Good words of wisdom...............