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  1. Sheldon N

    If you were building a BR variant today

    There's a bit of that on that forum, but the thread also has good info from the people who were instrumental in making the BRA as popular as it is today and who worked directly with Alpha during the development of the brass. It also brings to light the same issue that you had with your barrel...
  2. Sheldon N

    If you were building a BR variant today

    The Alpha BRA issues I read about weren't in regard to neck diameter, it was a bit more complicated than that.
  3. Sheldon N

    If you were building a BR variant today

    I've had good results from Alpha Dasher brass, but have not tried Alpha BRA brass. I use Lapua for my BRA. There is a 14 page long thread on a benchrest forum that raises some questions for me about whether Alpha BRA would be the best choice.
  4. Sheldon N

    If you were building a BR variant today

    Truth... exactly my experience with 6BRA as well.
  5. Sheldon N

    If you were building a BR variant today

    With those requirements I'd suggest building a Dasher, use Alpha brass, run it at conservative speeds around 2800-2850 fps. FWIW I've got both 6BRA and Dasher, but if you're going 6BRA I'd say use Lapua brass and fireform - but you don't want to fireform.
  6. Sheldon N

    Bubble Levels Suck

    You’re touching on what I think is the most important aspect of a bubble level… sensitivity. Two aspects, does it respond to small adjustments in rifle angle and does it respond quickly. Bubble levels that are sensitive and fast are the best IMO, they help you get to an accurate firing position...
  7. Sheldon N

    Bubble Levels Suck

    Scope centered directly over the rifle bore doesn't really matter, the theoretical horizontal offset is very small and gets lost in the noise. Scope reticle/erector level to gravity at the moment when you shoot matters a lot.
  8. Sheldon N

    12rnd Billet AW magazine for BR size cartridges from Gray Ops

    Works great with 6BRA in my Impact 737R.
  9. Sheldon N

    Oversized Chamber

    Not sure, there are a lot of good dies out there and it would depend on which one had larger dimensions closer to your chamber. Looks like my Whidden die is larger than your Hornady die but not sure what others measure out at.
  10. Sheldon N

    Oversized Chamber

    With my 6.5 Creed I get .4625 diameter at the top of the shoulder with fired brass, and sized brass measures .4605 using a Whidden die. My guess is that you're dealing with stacked tolerances here... your chamber is on the large end of the spectrum and your Hornady sizing die is on the small...
  11. Sheldon N

    What happened at the NRL 2024 Championship???

    Following some of the online discussion and input from others I do think there are a few additional things people might want to know. There are many people talking about the prior times that Matt has given away either his prize or prize table walk to junior shooters, something he regularly...
  12. Sheldon N

    New to heavy Shmedium bag!

    This is about the same fill level I run mine at. Just barely enough to keep the bag functional if you had to use it on the edge of a sheet of plywood or some other thin barricade, but no more fill than that. I think it ends up at around 8 or 8.5lbs.
  13. Sheldon N

    Dryfiring AI Competition Trigger

    Yes, I've broken firing pins on TL3's and Defiance actions, I think three firing pins total plus one or two ancillary parts. But that was back when I was dry firing a ton for practice a few years back. We're talking on the order of 100k cycles probably. I don't fault any manufacturer or have...
  14. Sheldon N

    Dryfiring AI Competition Trigger

    Oh, you can break firing pins from dry firing. Done it several times on different action brands. It takes thousands of cycles, but stuff can break.
  15. Sheldon N

    The cost of shooting just in components. Thought for the day!

    Fun fact... if you add up all the time that a bullet was moving through that barrel, the barrel was shot out in ~34 seconds.
  16. Sheldon N

    Leveling a scope question

    I'd think about what that means for downrange performance from a practical perspective. If you're dialing up 10 mils to start to see the reticle move from one side of a thin line to the other, that's maybe a 0.05 mil offset? That would mean when you dial 10 mils for a ~1100 or 1200 yard shot...
  17. Sheldon N

    spotting misses

    I guess I'm kinda confused on that then, we must do it differently at the club matches I go to. Usually one guy holds shot timer and iPad and tells the shooter when to start, then scores while someone else is spotting. Or the spotter will have the shot timer and someone else has the iPad. Two...
  18. Sheldon N

    spotting misses

    @trident512789 Sorry you had an unfavorable experience at the match, generally all the matches I've been to have been welcoming to new shooters and I try to help out new folks as much as possible when they're on my squad. A couple general observations... Sharing RO duties is pretty normal...
  19. Sheldon N

    Trigger selection questions.

    I've got 5 TT Diamonds and don't do any maintenance on them despite them seeing a lot of adverse conditions. The only issue I've ever had was when I pierced a primer some of the metal primer flakes got down into the trigger and I had to flush it out with lighter fluid. Seems to be working fine...
  20. Sheldon N

    Trigger selection questions.

    +1
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