PXT Standard M4 & B5 FIXED STOCK Pin Kit - Stock Lock


  • Type: CA Compliance Products
  • Brand: PTact
  • Tags:
  • UPC: 652043574453

This kit turns a standard telescoping M4 buttstock and turns it into a fixed stock. The kit allows the user to adjust the position before being fixed. For permanent installation, use threadlocker.

Works with:

  • All M4 style buttstocks
  • B5 Systems SOPMOD style stocks

NOTE: If you don't have a vise, you can use a punch and hammer to install the threaded nut.

An installation video is available here: