DA small pistol primers - Interchangable?

[sushix2]

A year ago, I recall CanAM posting a statement regarding the interchangeability of SRP with SPP for reloading pistol rounds.

I was wondering if the reverse was true? SPP in 223 loads?

[madcow]

I wouldn't trust it due to the higher pressures

[Ki3t_ly]

They posted that it was the exact same primer just different packaging. This only applies to the small primers and NOT the large.

[CanAm]

They posted that it was the exact same primer just different packaging. This only applies to the small primers and NOT the large.

not exact, but very close

[sushix2]

So would it be okay to load 223 with them? I actually can't find the other post so I'm weary until I get some better info

[Grin]

Interested too

[Frank McFarquhar]

A yr, ago I made a mistake of using Lg. Rifle primers to load .455 Colt ammo. They are a little taller
so where proud in the loaded ammo. After much thought I shot through my crony. Did have a few misfires
but always fired on 2nd. hit.
My load of 200 gr. lead over 6 gr. of Unique with Lg. PISTOL PRIMERS is 700 f/s.

With these loaded with Lg. RIFLE PRIMERS it was almost 800 f/s . Still safe , but those primers did
make a significant difference . If my load was @ max. then a different outcome may have occurred ?

,,,,,,,,,,,,,,, Frank

[357_fan]

Don't go with internet rumors. Consult your reloading manual regarding primer selection.

Primers are cheap, why not use the correct one?

[Prairie Plinker]

not exact, but very close

If you could confirm the differences we'd all appreciate it I'm sure! If I recall the primer charge was the same in both the Dominion SPP and SRP, it was just a few thousandths difference in the cup dimensions, my memory isn't all that great though.

[CanAm]

If you could confirm the differences we'd all appreciate it I'm sure! If I recall the primer charge was the same in both the Dominion SPP and SRP, it was just a few thousandths difference in the cup dimensions, my memory isn't all that great though.

SP:


LP: