X-Caliber Barrel And Receiver Truing Tool B.A.R.T. 2.0 - Receiver Lapping Tool & Reaction Style Rod AR-10 Black Nitride is a heat

Black Nitride is a heat treatment process that enhances corrosion resistance

and outlast any other product on the market today

6mm Remington and many others

knurled grip

Robust Construction: Reduced chamfer angles on the 7075 Aluminum reinforced bar design provide a strong foundation for the BREACH® that is resistant to rotational flex or breakage

X-Caliber Barrel And Receiver Truing Tool B.A.R.T. 2.0 - Receiver Lapping Tool & Reaction Style Rod AR-10 Black Nitride is a heatBarrel And Receiver Truing Tool B. A. R. T 2. 0 is a two in one tool. Inserted into the front end, the tool laps the face of your AR Uppers, ensuring a perfectly square and centered fit between your Barrel and Upper. With the head of the tool secured in vise, insert the other (splined) end through the rear of the upper until the splines engage the lugs of the barrel. You are now ready to loosen or tighten the barrel nut, muzzle brake, or suppressors