Remington 7 1/2 small bench rest primers,... ok?

[JFrank]

SPJ, what distance was this test shot at?

300 if I recall correctly

 

[rotts4u]

I too have had this same thing at about the same rate recently. I swapped one group with Federal 205 and the velocity was identical and they are noted to be a lot easier to fire. I am considering changing to them. I even replaced my firing pin and spring on the rifle and its still doing it 1-3 per 100 rounds. Usually on a second hit they fire

 

[watercam]

View attachment 1107131 The only primer I would avoid is the Rem 6 1/2
I believe you could built a load around most any primer

What cartridge were you shooting for this test? My impression was that the Rem. 6 1/2s were for cartridges under 38,000cup? Hornet and the like. How did they hold up in your test?

 

[JFrank]

What cartridge were you shooting for this test? My impression was that the Rem. 6 1/2s were for cartridges under 38,000cup? Hornet and the like. How did they hold up in your test?

I believe your exactly right, mine pierced 2 outta 3 in my 6 br

 

[Lefty Trigger]

That is a really interesting test, are those Federal primers the "match" version 205M??

 

[JFrank]

That is a really interesting test, are those Federal primers the "match" version 205M??

Just regular 205

 

[Texas10]

I was having the same problem with my 6br built on a Savage model 12 action (not a target action) and CCI 450 misfires. So I took the firing pin assembly out and gave the rear nut another 1/2 turn to increase spring tension and increased firing pin protrusion slightly, while checking that the cocking pin still clears the bottom of the cocking ramp notch. Problem solved, no more FTF issues.