- Midwest Industries Premium Barrel Nut Wrench
- Designed to work with 5.56 and 7.62 AR platform rifles components
- Drive end for all MI free float barrel nuts - Including CRMHD, CRM, SLH, CRT, CRLW, ULW, G3M, G4M, SP Series
- Castle nut driver with 3 notch engagement
- 1/2 inch drive for torque wrench
- Premium construction for repeat use
- 17-4 stainless steel material
