While using the battery cup flush With all the shell base the primer cup could be a lot more convex than the Winchesters Attempt a pair with a little more strain to deep seat ( In the event your loader allows) and see if that makes a change.
You can find just one way to get an precise respond to to your concern as an alternative to speculations and conjectures: cautiously assemble ten equivalent shells using Each individual primer and send out them to some ballistics lab like the one particular at Downrange Mfg.
I desired to do the take a look at in nothing at all but after fired hulls, so it's taken a while to melt away throughout the previous rotation of hulls for getting to all contemporary hulls.
On top of that, triple seven primers are only compatible with specific slender twine ring weapons, but 209 Load Primers may be used with any gun despite twine ring measurement or drive stage.
My skeptical streak appreciates the hassle the OP set into this given the time and $$$'s that it took. Click winchester small pistol primers to grow...
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Primers don't have a "burn rate" like powders do. Primers that look like "amazing" with a person powder can seem "sizzling" with An additional. It just would not operate this way.
Whilst I'd personally simply call it a "weak" primer, a CCI 209 (not the 209M) would be another option, although you'd most likely have to enhance the powder to keep the velocity precisely the same a Federal 209A. Federal fairly creating the typical 209 quite a long time back, but it had been a great medium-lower electricity primer.
Their State-of-the-art building makes sure a fair and reliable flame, supplying by far the most reliable ignition achievable. The responsible and consistent effectiveness of such primers makes sure a consistent shot in the course of your taking pictures session and ensures that the photographs are going to be on target.
Add to estimate Only demonstrate this person #five · Feb eighteen, 2005 They are not precisely equivalent, but there is no explanation why you can't make the substitution with the load you are making use of. I doubt greatly if you will be able to tell any variance in the slightest degree.
These Winchester primers provide a lot more dependable firing in all rifles due to cautiously calibrated primer compositions, constant diameters, and stability in a variety of temperatures and humidity levels. Each and every primer has an anvil height that's been exactly calculated to be certain best ignition.
I'm by no means of referring to dishonest the procedure. You might have this so overthought my head is starting to damage.