My stepson has a 7mm rifle built on a large ring mauser action. Styling appears 50's. It is very plain but appears to be nicely made. The only markings are the caliber and "Ashton made in USA", both on the barrel. My guess is that it came set up for mounting a scope. It has a Weaver K4W...
Thanks to all who took the trouble to offer advice. I have settled on a load using 300mp that yields 2250 fps with the Speer 125 TNT. I went somewhat higher before I reached what I consider to be borderline pressure indications, but accuracy was not as good. Enforcer was no better than H110...
Thanks for the good info. I had Dave Manson make a special reamer with the neck lengthened by .150", no other changes. This provides up to about 10% extra case capacity, depending on seating depth. I used a retired heavy palma barrel with most of the length removed from the chamber end. I...
Many published maximum loads indicate compressed charges. Does anyone know how much compression is safe? At some point there must be a risk of breaking granules and causing a sudden increase in burn rate. My specific problem concerns my version of .300 Blackout optimized for light to medium...
I am extremely farsighted with some astigmatism. I use Champion shooting glasses(similar to Knobloch). I have learned to fit the lenses to the holders. I know exactly what I want but I have had little success in finding a source for the unmounted lenses or someone to mount them for me. Local...
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