JM Pro Vent Rib Width??

[JaceDaniel83]

looking for the width to order the correct sights. I think it’s the 3/8” Rib?? Does anyone know if this is correct?? It’s foe the 22” JM Pro Thanks for any help in advance

 

[JaceDaniel83]

Update. It’s 3/8 if anyone needed to know