Tusk D - flex handguards fitment

[Tlopez]

So I'm looking at getting some of these d flex hand guards for my 11' yz250f which comes with pro taper evo bars so I would need their big bar adapter but they have 2 different models the p and m. So which one would I need?

http://www.rockymountainatvmc.com/p/962/9546/Tusk-D-Flex-Handguard-Big-Bar-Adaptor-%28P%29

http://www.rockymountainatvmc.com/p/962/9542/Tusk-D-Flex-Handguard-Magura-Big-Bar-Adaptor-%28M%29

[Piney Woods]

Call them, they will explain it.