Rem 7.5 have a thicker cup than their small rifle 6.5 brethren. 6.5 are NOT for use in .223 NOR 300 blk due to the chamber pressures developed.
Magnum Primers?
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Re: Magnum Primers?
Not sure about SRP but with Large they do.....
You can't beat the mountain, pilgrim. Mountains got its own way.
Re: Magnum Primers?
Fed srp's are designated the same golf.Match or regular - not sure if they consider a Fed. SRP match a magnum. Maybe Hogdgon lists that Remy primer because of cup thickness - IDK just speculating. I use CCI magnums for just about everything except light spring builds where FTFs plague you. Then I use Winchester SRP as the are soft as hell.
You can't beat the mountain, pilgrim. Mountains got its own way.
Re: Magnum Primers?
It's just all so damn confusing....
CCI 400 (SR) and CCI 550 (SP-M) are the same primer as stated by the manufacturer. I've used them by shooting a few rounds of each over the Chrony...same same within a small margin of my error. The same is not the case with Winchester primers, though I have not personally tested them.
After years of hand loading, you would think I had some data on primers. For small rifle the 205M was about all I used with ball powder in .223. One day I will run across some data that a really organized and anal loader has compiled on primers. Hmmm, John Barsness lives about half hour away, I think it would be prudent to see if he has the coffee on or out hunting
CCI 400 (SR) and CCI 550 (SP-M) are the same primer as stated by the manufacturer. I've used them by shooting a few rounds of each over the Chrony...same same within a small margin of my error. The same is not the case with Winchester primers, though I have not personally tested them.
After years of hand loading, you would think I had some data on primers. For small rifle the 205M was about all I used with ball powder in .223. One day I will run across some data that a really organized and anal loader has compiled on primers. Hmmm, John Barsness lives about half hour away, I think it would be prudent to see if he has the coffee on or out hunting
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Re: Magnum Primers?
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Re: Magnum Primers?
I learned about this after buying 10k of each...
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Re: Magnum Primers?
I mentioned this in another thread but I’ll mention it here. As CFEBLK works best in a full case I’ve read that it needs a magnum primer. Any truth to that?
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