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Lead-Free Bullets and High RPM Question

Franko

Major Hide Member
Full Member
Minuteman
May 19, 2018
1,108
1,311
Southern California
Does anyone have experience running something like a Barnes Varmint Grenade or Nosler Lead-Free Ballistic Tip at high RPM? I am considering building a 6 GT and it would be nice if it could do double duty as a varmint rifle but I am worried a fast twist (7.5) will spin the relatively light lead-free projectiles apart. Does anyone have experience with running these bullets fast in a fast twist barrel or know how resistant to overspin lead-free projectiles are?

Thanks.