Yes. I was looking on there website.Are you absolutely certain Starline 445 SM brass uses a Large Rifle Primer?
https://www.starlinebrass.com/445-super-mag-brass
Yes, but some cases will let them seat below flush. Pistol may or may not have trouble setting them off, dunno though, have never tried it.Isn't a Large Rifle primer taller than a Large Pistol primer....?
Yes. I was looking on there website.
I'm out of LP. The STARLINE brass 445 SM use LRP. Anyone use LRP in their 44s
Their can't be that much difference in LRP vs LMP? Anyone seen articles on this subject???
I have had some brass back in the 80s. that the primer pockets were deep like LR. and the LP would be recessed to deep .Yes, but some cases will let them seat below flush. Pistol may or may not have trouble setting them off, dunno though, have never tried it.
Probably cut by a previous loader. I use a large rifle uniforming tool to cut some of my .44Mag brass for LRP’s for my Ruger M77/44. If you do it, it’s done. No going back and better keep that brass separate from any uncut brass …unless you really enjoy depriming.I have had some brass back in the 80s. that the primer pockets were deep like LR. and the LP would be recessed to deep .
I have a pocket uniformer I have done 50 pieces today.Probably cut by a previous loader. I use a large rifle uniforming tool to cut some of my .44Mag brass for LRP’s for my Ruger M77/44. If you do it, it’s done. No going back and better keep that brass separate from any uncut brass …unless you
really enjoy depriming.
I'd assume that a S/A or D/A revolver which I'm assuming you're shooting it out of (or a carbine sized rifle) has plenty of firing pin inertia to indent the cup metal enough to have reliable ignition.
(Potential Problem one solved)
Then, if you start low on your load work up, and check for signs of pressure and get to an accurate and reliable load, then you've solved potential problem number 2.
SPM and SR primers I always thought the metal thickness might be a bit much for striker fired weapons. SPP are thinner metal, easily struck by weapons with less firing pin inertia. They will also start to "top hat" at less pressure.
Also, the primers you mentioned are used in weapons up to 65,000 or more PSI, so don't expect any "pressure signs" from the primers in your 44 Mag. with a max SAAMI of around 35,000 if I recall correctly. There likely will be no top-hatting of the primers in over-pressured rounds. But, as most can agree, primers lie!!!