ARMS Std 40 for a 40L

I am in need of an ARMS #40L or #40LP or #40L-SP - basically any of the low profile #40 Rear Sights.
I have a Standard #40 available and I can sweeten the pot if need be. Trying to finish a Mk12 clone.

ETA: I’ll throw in a KAC vertical foregrip as well.

TIA