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Cast Bullet Association Blog Atom Feed2026-09-25T12:10:49ZCast Bullet Associationchefreiss@gmail.comhttp://castbulletassoc.org/blog/atom1_.aspxLarry discusses primer substitution in .38 Specialhttp://castbulletassoc.org/blog/article/2021/12/240/larry-discusses-primer-substitution-in-.38-special2021-12-07T07:57:43Z

Excerpt from the CBA forum. Most likely your load of 3.4 gr O W231 is generating all the pressure it will in the 38 SPL case regardless of the primer used. That small charge of a fast burnin....