[Stealth_OPS32]

I have a Leupold Mk4 4.5-14x50mm ER/T mounted with Farrell lows on the Badger Ordnance picatinny rail that comes standard with the FN SPR A1. I need to move the optic back a little farther on the rifle, but the objective bell will hit the badger ordnance rail if I move it back any further. I'm thinking about replacing the Badger Ordnance rail with a Leupold Mk4 rail because the Leupold rail does not have an extended front like the Badger does. As you can see in the picture, the optic objective has very little clearance above the barrel. I'm thinking both rails should be the same height in the front, but I'm insure because the badger has 20 MOA built in and the Leupold has 15 MOA built in. Theoretically the Leupold should increase the objectives barrel clearance (though ever so slightly) as long as the front of the rails are the same height above the receiver, correct?

 

[Rennster]

or you could grind the front of the badger rail off

 

[Sneakbox1]

Stealth,

I would think the leupold with the slightly less MOA built in would cause the scope to be slightly closer to the barrel. Bottom line is that if you're not comfortable with the current setup and you have to take it apart anyway, might as well get the leupold rail and see how it fits without tightening everythin down and purchase the leupold rail from a retailer that will let you return it.

 

[SONYtec]

You could also get taller rings. This would give more room to move the scope reward as well.

 

[trigger643]

You've already got the Farrell rings, why not the mount? (Farrell is all I use now for rings/bases).