Pemko has a minimum order requirement. Orders smaller than the required minimum have a longer lead time as we need to consolidate onto a "stock" order. If you need a faster lead time, simply exceed the minimum order amount.
Pemko 411ASL 36" Automatic Door Bottom with Silicone insert - Mill Finish Aluminum - Full Mortise Mount for 1-3/4" or Thicker Doors
If your unit makes contact at the hinge side only and them stops, increase marginally the projection of the drop bolt from the edge of the automatic door housing so that the drop bar can "drop" further.