Hi fellas,
I struck it lucky today, with this load, in my Martini 303-35.
It shoots jacketed RN bullets well and also PP loads, but I'm trying out a new mould and I like it heaps.
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5 shots at 50m from a bench rest. 2.5x Leupold FXII ultralight scope, mounted on the barrel. 
In place of the Red Dot shown here.
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Here she is with the new boolit. 
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The load is 36g ADI 2206H ( not what I hastily wrote on the target ) under a Dacron wad, topped by the GC 250g CBE boolit, sized to .357", RCBS lube. 
Jim Allison, at Cast Bullet Engineering, makes great moulds.