I had some marginal success with 3.7 - 4 gr Unique, but it seemed that I was getting leading caused by insufficient lubrication. So I decided I would add a coat of lube to my boolits and load from 3.7 - 4.3 gr Unique and see how they would do. I did not expect this single step to make such a drastic difference!
The gun I'm shooting is the XD9 Tactical pictured below.
This gun has always been able to shoot about 2 - 3" groups with commercial jacketed rounds. So that is what I was expecting to be the best I could get with my cast rounds. I was wrong.
All groups shot from a rest at 7 yards.
3.9 gr Unique.
4 gr Unique.
And 4.2 gr Unique.
The 4 gr load is a 1" group! And the 3.9 gr group is just a bit above 1" That same load with 1 coat of lube produced a 3" group. Oh the difference a little lube will make!
And leading? I'm sure you remember this picture from the last set of test loads.
Well, here is the bore after the new test loads.
Yes! As you can see, no leading!
I am thoroughly enjoying this hobby. Nothing is more satisfying to me than to make my pistol shoot better with my homemade rounds than with commercial stuff!
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