This will mount to either the FX Impact or FX Maverick. This has a (reversible) modification that provides SUBSTANTIALLY more up & down positioning adjustment for the FX Mavericks using the stainless bolt in the photos (I can easily change it back if that's desired).
$195 PayPal F&F TYD (CONUS)
$195 PayPal F&F TYD (CONUS)