1. Hogshooter

    Gunsmithing AR castle nut

    I have a Noveske lower on one of my AR carbines. Went to add a single point sling adapter to the lower and noticed that the castle nut is staked in the two notches to the end plate. I could not break it loose with my stock wrench so I took a small dremel bit to the staking. I am afraid to go to...
  2. S

    Gunsmithing WTK: Castle nut torque - M4

    What does the tech manual say for the Castle nut torque on the buffer tube for an M4? THANKS