Author Topic: Primer test  (Read 612 times)

0 Members and 1 Guest are viewing this topic.

Offline NavyDistinguished

  • Newbie
  • *
  • Posts: 3
Primer test
« on: September 19, 2020, 03:46:12 PM »
Having read about different primers for use in 9mm, I decided to do a little test using my standard load and 3 different primers;  Winchester brand small pistol, small magnum pistol and small rifle. The load was 4 grains of BE-86, Starline brass and Acme 147 grain TCFP Syntec bullets. Results were predictable but it does answer some curiosities. Pistol was Shadow 2 with 120mm barrel (4.7") BE-86 is known for getting high velocities in longer barrels so I'd be curious what these will be like in a 4' barrel. 10 shots at 10 yards with Shooting Chrony F1 (Green) chronograoh placed about 3 yards away. I deleted the high and low velocities in each string and averaged the 8. Yeah it makes the numbers better but wasnt really that far off.

Equipment
Caliber:  9x19 Luger
Bullets:  Acme 147 TCFN Syntech coated
Brass:    Starline (new)
Powder:  Alliant BE-86 4.0 gn
Primer:  Winchester Small Pistol, Small Pistol Magnum, Small Rifle
OAL:     1.120"
Pistol:    Shadoow 2
Qty:      10 rounds each, slow fired
Weather:  105F and Sunny
Chrono:  F1 Chrony

Primer     Avg Vel            SD
Pistol         922              5.04
Mag           958              5.86
Rifle           953              7.89

« Last Edit: September 20, 2020, 04:51:10 PM by NavyDistinguished »

Offline M1A4ME

  • Hero Member
  • *****
  • Posts: 5822
  • I've shot the rest, I now own the best - CZ
Re: Primer test
« Reply #1 on: September 19, 2020, 04:03:19 PM »
So, the highest (of the three, still looks pretty good to me) std. dev. in velocity produced the best group.  I've heard/read people say that happens sometimes with rifles, too.

Might not happen with a different powder or powder charge.
I stopped carrying the SIG 556R.  SIG changed models and couple/three times and stopped supporting it with parts.  So, I stopped supporting SIG.  Back to the tried/true AR15 Carbine.

Offline Wobbly

  • Moderator
  • Hero Member
  • *****
  • Posts: 10510
  • Loves the smell of VihtaVuori in the morning !
Re: Primer test
« Reply #2 on: September 20, 2020, 07:42:34 AM »
Having read about different primers for use in 9mm, I decided to do a little test using my standard load and 3 different primers; small pistol, small magnum pistol and small rifle. The load was 4 grains of BE-86, Starline brass and Acme 147 grain TCFP Syntec bullets.

Welcome Aboard !

Great report. Thank you.

All primer brands are not alike. We need the brand(s) of the 3 primers. Please modify your original post to add that data. The brand of chrono would help too.

In God we trust; On 'Starting Load' we rely.

Ask me about used Dillon reloading equipment.

Offline NavyDistinguished

  • Newbie
  • *
  • Posts: 3
Re: Primer test
« Reply #3 on: September 20, 2020, 01:17:15 PM »
Edited. Thank you for reminding me as I am usually a stickler for such details.
Brian
« Last Edit: September 21, 2020, 01:07:11 AM by NavyDistinguished »

Offline Wobbly

  • Moderator
  • Hero Member
  • *****
  • Posts: 10510
  • Loves the smell of VihtaVuori in the morning !
Re: Primer test
« Reply #4 on: September 20, 2020, 04:15:46 PM »
Thank you for reminding me as I am usually a stickler for such details.
Brian

The best reloaders are always OCD !!  ;D

Thanks for the update. All Winchester, now that does stir my interest.

FYI... There is a template in the Stickies at the top of the forum. You don't have to use it, but it will remind you of items you might want to include if you'll consult it.
In God we trust; On 'Starting Load' we rely.

Ask me about used Dillon reloading equipment.

Offline Dan_69GTX

  • Sr. Member
  • ****
  • Posts: 624
Re: Primer test
« Reply #5 on: September 22, 2020, 12:10:14 PM »
FYI... There is a template in the Stickies at the top of the forum. You don't have to use it, but it will remind you of items you might want to include if you'll consult it.

Don't worry - Wobbly WILL remind you.   ;D  And it is good thing too - details are important!  He has to remind me every now and then too!  Great to have him as a moderator!!  (yes, that is a compliment!!)

Sounds like you experienced what I did - magnum primers increased the average speed.

And thanks for that info!
« Last Edit: September 22, 2020, 12:15:19 PM by Dan_69GTX »
Some trust in chassis, Some in Horsepower, But we trust in the Lord our God.

If it goes "boom" or "vroom" I'm intersted.

Offline newageroman

  • Sr. Member
  • ****
  • Posts: 544
Re: Primer test
« Reply #6 on: September 22, 2020, 05:09:32 PM »
Newb forgetting the lot #s...

JK! that's impressive and very detail oriented. Welcome, you will love it here.
75B-milsurp- (first CZ build)
SP-01-SAO-compedOpenMajor w/DOT
97B stock for now
SAR P8L
..others..

Offline recoilguy

  • Hero Member
  • *****
  • Posts: 1983
Re: Primer test
« Reply #7 on: September 22, 2020, 05:15:45 PM »
Wish I had a primer to test..................

Good info though thank you!

RCG
…….It's that you shoot!

Offline Pistolet

  • Full Member
  • ***
  • Posts: 110
Re: Primer test
« Reply #8 on: September 23, 2020, 04:57:20 PM »
Primer     Avg Vel            SD
Pistol         922              5.04
Mag           958              5.86
Rifle           953              7.89

Nice to see an actual test rather than the speculation I have been reading about in these times of sparse primer choices.  I have a couple of questions for the knowledgeable ones:
- Are the differences in numbers significant?
- Let's imagine that the data for a pistol says maximum X grains of powder, 922 fps but you use magnum primers instead with the same amount of powder and you end up with 958 fps. I think I know the answer, (it would put you in the danger zone). But I am asking the question anyway because I know that different powders have different maximum velocities without being in the red zone.
By the way, I just bought primers and realized they were SPM when I got home :o.

« Last Edit: September 23, 2020, 05:07:42 PM by Pistolet »

Offline newageroman

  • Sr. Member
  • ****
  • Posts: 544
Re: Primer test
« Reply #9 on: September 23, 2020, 06:45:21 PM »
they should work, but of course with changing anything , start low and start over.
75B-milsurp- (first CZ build)
SP-01-SAO-compedOpenMajor w/DOT
97B stock for now
SAR P8L
..others..

Offline recoilguy

  • Hero Member
  • *****
  • Posts: 1983
Re: Primer test
« Reply #10 on: September 24, 2020, 10:58:02 AM »
Primer     Avg Vel            SD
Pistol         922              5.04
Mag           958              5.86
Rifle           953              7.89


By the way, I just bought primers and realized they were SPM when I got home :o.

But you found primers.....nicely played!

RCG
…….It's that you shoot!

Offline Pistolet

  • Full Member
  • ***
  • Posts: 110
Re: Primer test
« Reply #11 on: September 24, 2020, 06:18:05 PM »
Primer     Avg Vel            SD
Pistol         922              5.04
Mag           958              5.86
Rifle           953              7.89

By the way, I just bought primers and realized they were SPM when I got home :o.

But you found primers.....nicely played!

RCG

Yes, and two pounds of 2400.
« Last Edit: September 25, 2020, 08:26:11 AM by Wobbly, Reason: Mods fixed quote »