500grains
(.416 member)
21/04/06 02:11 AM
Re: 510 GIBBS Wildcat--Best ALL ROUND 50 big bore??
If you want to shoot .510" bullets, build a .500 A-Square. It is a SAAMI factory cartridge, not a wildcat, and converting a CZ550 from 416 Rigby to 500 A2 is very easy.