1911 in 9x25 dillon, Trying to push 125gr 9mm bullets to 1800fps and even 2000+fps will really do a number on the lifespan of brass. Starline 10mm Auto brass does an excellent job. But curiosity got the better of me. Trimming the 10mm Mag brass to length was easy enough. Necking them down to 9mm was just as easy. Starline really does have excellent quality metallurgy. And so far the the magnum brass seems to be outliving the autoloader brass. Thanks be to Starline again for feeding my addiction to bottleneck cartridges.
Full.Lead.Taco On YouTube Provo, Utah
July 30, 2017
I built a 338 Spectre SBR and ordered some of this 10mm mag to form for it. I have several firings with my brass and it continues to perform well. Thanks Starline for making this good stuff!
Big Bore Corydon, Indiana
July 21, 2016
This is THE brass to use if shooting the Teppo Jutsu .338 Spectre. A quick trip through the sizing die and you are done. I have cases with 11 loads on them and they are still going strong.