WARNING!! THE SELECTOR DIMPLE IS RELOCATED FOR THE TANTAL AND YOU MUST CLEARANCE YOUR FLAT JIG FOR THIS FEATURE. MY JIGS FOR THE PAST TWO YEARS HAVE THIS CLEARANCE CUT MADE.
These flats will be $35 each with the magwell cut to match a standard Tantal mag. Without being cut they will be $35 so the Tantal selector parts can be used for any caliber after opening up the magwell. These will include rails with both left and right side mag stabilizers. The flats and rails will be made from 4130 steel and all standard dimples will be stamped except for the CPS detents on the non-op side.
To finish these flats along with the others you will need to buy a 5mm and 7mm reamer. Or at least get drill bits of that size to open up the holes in the flats once they are bent. The reamers should cost around $27 for the set plus shipping from most online tool suppliers. At the same time you order the reamers buy 4mm (or 5/32) screw machine drill bits for drilling the trunnion holes. The rear trunnion holes are 4.5mm. Try not to buy the cheap import drill bits for drilling the trunnion holes.