Results 1 to 10 of 10

Thread: Peterson SRP 6.5 CM Brass Has Smaller (1.5mm) Flash Hole

  1. #1
    Basic Member
    Join Date
    Jan 2015
    Location
    Austin
    Posts
    1,710

    Peterson SRP 6.5 CM Brass Has Smaller (1.5mm) Flash Hole


    Recently bought some Peterson large and small rifle primer brass in 6.5 CM to try out. After fire forming I discovered that the small rifle primer (SRP) brass has the smaller 1.5 mm flash hole. And wouldn't you know it, my Hornaday Custom Die set does not come with the smaller pin. The Hornaday website does not indicate that they carry it, but a call to them and they do have it and it's on its way under warranty.

    Gotta love Hornaday Customer Service!
    Banning a gun will not solve what is a mental health crisis inflamed by incendiary rhetoric on social and television media. The first amendment in this case is less precious and more likely the causal factor than the second amendment.

  2. #2
    Basic Member
    Join Date
    Jul 2016
    Posts
    62
    I’m using Lapua Small Primer cases and the hole is also too small for a standard pin. However I just took one of my standard Decapping pins and chucked it in a drill them used some sand paper to grind off a few thousandths.

  3. #3
    Basic Member Robinhood's Avatar
    Join Date
    Apr 2014
    Location
    South Texas
    Age
    66
    Posts
    7,810
    yep. Do not push the oversize pin through.

  4. #4
    Basic Member OLEJOE's Avatar
    Join Date
    May 2013
    Location
    Calhoun,La.
    Age
    68
    Posts
    205
    I did the same thing with the sand paper. Works fine. Took a while though. I tried the Peterson brass also. I couldn’t get my rifle to shoot the small primer brass as accurately as the large primer brass. Haven’t tried the large primer Peterson brass yet but I have it and have turned the necks on it getting ready. Out of 25 pieces I had 2 that would not clean up all the way around.

  5. #5
    Basic Member
    Join Date
    Mar 2017
    Posts
    28
    I ran into the same issue with some Peterson .260 Remington with the small rifle primers. I ordered a Redding full length die and a 10 pack of .057 decapping pins https://www.midsouthshooterssupply.c...57--(10-count). Supposedly the smaller primer allows for higher pressures and the smaller flash hole gives a more even combustion and better SD's. I plan on having to tweak my loads when I switch over. Good news is I have a ton of CCI 400's 450's and BR-4's and some Federal Match to tweak with

  6. #6
    Basic Member
    Join Date
    Jun 2013
    Posts
    2,879
    Get a Mighty Armory Universal Decapping die. Specifically "The PUA" die. The decapping rods are heat treated which reduces the chance of the small diameter pin of bending or snapping to practically 0.

  7. #7
    Team Savage Stumpkiller's Avatar
    Join Date
    Jan 2018
    Location
    Port Crane, NY
    Age
    64
    Posts
    980
    Peterson has the choice of both small and large primer in the 6.5 Creedmoor (the .260 Rem as well).

    You can get a separate decapper for $20 and not run the resizing die stem as deep as the primer pocket. I have heard it helps prevent run-out a bit doing it as a seperate operation as well.
    "They couldn't hit an elephant at this distance." Last words of Gen. Sedgwik

  8. #8
    Basic Member
    Join Date
    Mar 2017
    Posts
    28
    Quote Originally Posted by LoneWolf View Post
    Get a Mighty Armory Universal Decapping die. Specifically "The PUA" die. The decapping rods are heat treated which reduces the chance of the small diameter pin of bending or snapping to practically 0.

    Thanks for the tip. I bookmarked their page. If the Redding small pins don't work out I will be ordering one.

  9. #9
    Basic Member
    Join Date
    Jan 2015
    Location
    Austin
    Posts
    1,710
    Update; New 1.5 mm de-capping pins arrived Saturday from Hornaday. Package included two, very thoughtful of Hornaday and no charge. Can't beat that!

    The hardest problem I encountered in changing pins was getting the expander head off the decapping stem. It was installed with Locktite and I had to use a torch.

    Once off though, changing pins was easy peasy.

    My many thanks to Hornaday for first rate customer service.
    Banning a gun will not solve what is a mental health crisis inflamed by incendiary rhetoric on social and television media. The first amendment in this case is less precious and more likely the causal factor than the second amendment.

  10. #10
    Basic Member
    Join Date
    Mar 2017
    Posts
    28
    I like Hornady's customer service myself. I have dealt with them in the past for parts and advice on my AP progressive and just yesterday to order a coupe of parts so I can use the powder throw as a standalone.

    On the subject of the Peterson brass I am loving the .260 SRP stuff. I did some load testing with it today and 4 had SDs in the single digits and 2 were barely in the double digits and the highest was 22 going from 36.0 to 37.8 grains in .2 increments

Similar Threads

  1. Peterson brass 308
    By 69gen1 in forum Ammunition & Reloading
    Replies: 12
    Last Post: 07-15-2018, 04:46 PM
  2. Mark I/II/93R: Second Savage a lot smaller than the first
    By Doc S in forum Savage & Stevens Rimfire Rifles
    Replies: 5
    Last Post: 05-22-2016, 12:10 AM
  3. Is smaller better in this case?
    By SThomas3791 in forum Ammunition & Reloading
    Replies: 10
    Last Post: 04-03-2015, 10:52 AM
  4. flash hole deburr help
    By Texas Solo in forum Ammunition & Reloading
    Replies: 18
    Last Post: 04-26-2014, 12:52 PM
  5. Request info on setting up rcbs flash hole deburring tool
    By leo158 in forum Ammunition & Reloading
    Replies: 1
    Last Post: 06-23-2012, 07:54 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •