UL-NW-S1 Underlug for pin, milled steel, concave, solder to round barrel

UL-NW-S2 Underlug for pin, milled steel, concave, solder to round barrel

UL-NW-S3 Underlug for key, milled steel, concave, solder to round barrel

UL-TC-1 Underlug, folded & formed with dovetail base, for pin

UL-TC-2 Underlug, folded & formed with dovetail base, slotted for keys

UL-TC-3 Underlug, folded & formed with dovetail base, slotted for keys

UL-TC-4 Underlug, folded & formed with dovetail base, for pin

UL-TC-H Underlug blank, for Thompson Center & similar rifles

UL-TC-S1 Underlugs, folded & formed, for round barrels

UL-TC-S2 Underlugs, folded & formed, for round barrels