KAC URX4 plus BCM VFG MOD3/KAG

Anyone use the BCM MOD3 vfg, or the BCM KAG with a KAC URX4.
I tried a first gen bcm vfg and it was a no go on the URX4.

They work fine. Your first gen vfg works fine too, but you have to adjust the keymod nut height with a pin spanner.