1. Stainless, #6 sporter contour, 22 caliber, 8 inch twist, 4 groove
2. Stainless, #4.5 sporter contour, 6.5mm, 8 inch twist, 4 groove
3. Chromoly, #4.5 sporter contour, 338 caliber, 9.35 inch twist, 6 groove
A #4.5 contour has the neck diameter of a #5 and the muzzle diameter of a #4. Price is $365.00 each delivered to most places.
https://kriegerbarrels.com/contours#sptr
2. Stainless, #4.5 sporter contour, 6.5mm, 8 inch twist, 4 groove
3. Chromoly, #4.5 sporter contour, 338 caliber, 9.35 inch twist, 6 groove
A #4.5 contour has the neck diameter of a #5 and the muzzle diameter of a #4. Price is $365.00 each delivered to most places.
https://kriegerbarrels.com/contours#sptr