From the Manufacturer:

These are made from heat treated 4130 steel and the rivets are a copy of an original AK center support rivet.

The length is shorter than the 1mm center supports since the inside of the 1.5mm flats is smaller

AK-Builder, Center Support and Rivet, Fits AK Pattern

  • Brand: AK Builder
  • Product Code: AKB-C8-51
  • Availability: In Stock
  • $17.99 USD