This barrel nut wrench is for your KMR barrel nut. This is for hobbyist install

This wrench also works for your M4 Lock Nut (Castle type)

1/2" drive

Like all BCM products, made in USA (410 Stainless Steel)

BCM, Barrel Nut Wrench, Fits KMR Barrel Nut

  • Brand: Bravo Company
  • Product Code: BCM-KMR-BNW
  • Availability: In Stock
  • $29.99 USD