Bullet: 570 gr Banded Solids  (Barnes)

Diameter: 0.509"

 

Powder: IMR 4320 (Improved Military Rifle)

Starting Powder: 86.5 gr

Max Powder: 91.5 gr

 

Primer: FED 215m

 

Case: A-Square

Trim Length: 2.990"

 

Cartridge Overall Length: 3.735"

 

Starting Velocity: 1,979

Starting Pressure:  

Max Velocity: 2,120

Max Pressure:  

 

*Recommend crimping the case mouth into the front cannelure groove. *Rifles have been chambered for this cartridge with varying bore and groove diameters before CIP standardized the specs. Barnes’ .500 NE bullets are designed for modern firearms in good conditions built to current specs. If in doubt, contact the firearm manufacturer or a competent gunsmith to ensure your rifle is safe to use with modern loads.
Barrel: 28" with 1:18" twist.

 

Source: https://www.barnesbullets.com/wp-content/uploads/2021/05/500NitroExpress.pdf