Custom Build AR Platforms
Make it Uniquely You
You decide and we make it reality.  Pistol or carbine length, 5.56 or 300 AAC,  Keymod or quadrail.  When the process is finished,  you have your firearm minus all those extra parts that you had to trade out to get to what you actually wanted from what you were sold.  Call today and let us put together a firearm that is uniquely you.
  1. Custom Build Uppers
    Let us build and upper for you to attach to your AR lower. 5.56, 300 AAC, MLOK or quadrail, basic black or a cerakote to make it stand out. This is your opportunity to make it unique.
  2. NFA Custom builds
    St Clair Firearms is a class 3 manufacturer. Lets us help you with your SBR, or supressed firearms needs. We will walk you through the process to make it as painless as possible.