^ Although Chris Kyle made that 1920 metre shot with a 338 Lapua Magnum, rather than a Win Mag.....
Yes, but something to note is that the US Navy's MK13 rifles were using special 300WM ammuntion loaded outside of SAAMI specs (for both COAL and pressure).
What allowed them to do this was the Rem700 L/A's 3.6"+ magazine well.
Article below goes into further detail: Stiller’s Precision Gets $2 Million to Build Navy’s MK 13 Actions « Daily Bulletin

