• M20 Disassembly Videos

    Please see the following videos for disassembly videos    
  • SUS440C Steel

    Do you know that the priming mechanism of Construct M20 is made up of SUS440C Steel? 440C is a 400 series stainless steel, and is the highest carbo...
  • Delrin M20 Shells

    This post describes what the M20 shells are and the material properties.
  • SABRE Springs

    Introduction What are SABRE springs made of? Made out of CUSTOM MUSIC WIRE. Where are they manufactured? Local factory in Singapore FAQs Why ar...