SPP Alternatives

[Ram]

My small pistol primers are about used up, and I'm having difficulty finding stock. However, I do have a box of CCI 400 left before switching to 450. Can the 400 be used for 9mm and perhaps back down a few tenths?

 

[DiffEQ]

Yes. Consider them to be like SPM primers.
Unless your current 9mm loads are at the full house / high pressure level (i.e. +P), I wouldn't change the charge weight.
Edit to add, I'm not trying for 1 hole groups at 25 yards, so years ago stopped buying SPP and only bought SRP for both pistol and rifle. Used them interchangeably in my 9mm & 40S&W rounds.

 

[NZ_Fclass]

I used SRP for ages during the shortage of pistol primers a few years ago, for 38spl. loads.
Nothing changes - more shortages. I have just enough SRP's for this season with the BR. Putting the 308 away ( Lapua Palma brass) for a while, same with the 223, when ammo runs out. I will be using the 6SLR for a while, uses LRP's, which I have a 1000 or 2.

 

[divingin]

My small pistol primers are about used up, and I'm having difficulty finding stock. However, I do have a box of CCI 400 left before switching to 450. Can the 400 be used for 9mm and perhaps back down a few tenths?

You've received advice on using whatever small primer you have. so I won't comment on that.

Watch Brownell's a few times a day. They've been getting small batches of primers in fairly regularly, mostly Federal and CCI. Small limits though (couple thou at a time) and hazmat; you'd have to calculate if it's worth it to you.

 

[mdram]

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[JoeDuke]

Your striker fired 9mm auto probably will not hit the small rifle primer hard enough to ignite it. Mine will not. My .38/.357 revolver is a different story. Try a few before you load a bunch.

 

[Frankm]

I ve seen numerous folks, who claimed to have even talked to CCI, say that the CCI400 is the same primer as the CCI small pistol magnum. (550 I think is the number)

Proceed cautiously and don’t try max type loads without starting low!