Originally Posted by Hondo64d
24” Bartlein 5R, 8” twist chambered by Jon Beanland.

Hornady Brass
42.8gr H4350
140gr ELD
Tula LRM primer
BTO 2.117”

.309” for five shots. Four of them went into .148”.
Haven’t chronoed them yet.

John

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was this not a HOT load for you?? 42.4 in Alpha Brass was too hot in my 20" Proof. maybe the Hornady Brass is more forgiving?