From the Nosler site:
"New in 2018, the .308 Ballistic Tip® Round Nose bullet was built for subsonic use, designed for much lower velocities than its product family counterparts. Loaded into a 300 BLK and impacting at 1000fps, this bullet maintains 95% weight retention after 12" of expansive penetration.Optimal Performance Velocity: 1000-2500 fps"
At one time Nosler did have a suggested twist rate of 1:8" or faster but I can no longer find that on their site.
Bad part is, it cycles fine, groups well, expands as advertised at velocities listed but I can't make it stop flying sideways in 5 different firearms.






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