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  1. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Memilanuk, That expalains a lot. I was not aware that there is so much going on dimension wise in the chamber. The article is great. The pictures better. I now have an idea WHY measuring the chamber length with different bullets yeilds different...
  2. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Monte, I did'nt realize the throat was a "tapered hole". My understanding was that it is a tube with a constant diameter (either lands or grooves) over the length of the barrel. What you say explains my experieince with SMKs and Bergers in the same...
  3. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Thanks Carter. I've got the comparator and the calipers. We'll see what the Hornady tool says when it gets here. I'll try it with a variety of bullets. My hypothesis is that dimension from the beginning of the bullet bearing surface (just in contact...
  4. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Frank, Thanks for the input. I see from the responses that using the term "ogive length" is confusing the issue. What I'm trying to determine is why my efforts to measure chamber length in my new GAP Hospitaller .300WSM result in a difference of .01"...
  5. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Break, I agree with your observation and so expected to see the same ogive length for both SMK and Berger 185s. Different COALs but the same ogive. In fact the difference was +.01 for the Bergers. Possible explanantion is the angle of the jacket at...
  6. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Lima Charlie. Ogive it is. Besides the limitations of my public school education do you have an opinion on the subject? CJ
  7. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length UK Great article Thx. I think it supports my premise that the chamber length is the same as the distance from where the ojive just touches the lands to the bolt face. He just doesnt call it ojive length. CJ
  8. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length <div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: fireguyty</div><div class="ubbcode-body"><div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: CrazyJoe</div><div class="ubbcode-body">Read the...
  9. CrazyJoe

    Determining Chamber (Ogive) Length

    Re: Determining Chamber (Ojive) Length Alan, Copy all on the wear issue. I'm still less than a hundred rounds at this point. Whats your take on this question? If the chamber length is the distance from the closed and locked bolt face to the lands how can it vary with bullet type. If the...
  10. CrazyJoe

    Determining Chamber (Ogive) Length

    Read the introduction to hand loading by Tresmon and meaured my rifle's chamber using his method and a couple others. Asked this question in his Determining OAL post but wanted to get wider circulation. I get consistenly different chamber/ogive length measurements with different bullets. My...
  11. CrazyJoe

    Hand Loading for Long Range 3: finding start OAL

    Re: Hand Loading for Long Range 3: finding start OAL Thanks, I2D. I've heard that about the SMKs and may end up going that route. Just loaded up a bunch of Bergers seated touching the lands to test. New to the reloading game 200 rds or so under my belt and what to see for myself. Still...
  12. CrazyJoe

    Hand Loading for Long Range 3: finding start OAL

    Re: Hand Loading for Long Range 3: finding start OAL Franklyn, could'nt have said it better myself. That is my theory exactly. My experience is different with Berger 185gr LDs and 190gr SMKs. Only explanation I can come up with is the Bergers have a gentler slope to the ojive diameter and...
  13. CrazyJoe

    Hand Loading for Long Range 3: finding start OAL

    Re: Hand Loading for Long Range 3: finding start OAL Tres, I get the fact that different bullets will protrude deeper into the bore based on their profile and thus COAL will vary with bullet type. But chamber length is chamber length and determined by the reamer. It's should not be bullet...
  14. CrazyJoe

    Hand Loading for Long Range 3: finding start OAL

    Re: Hand Loading for Long Range 3: finding start OAL Tres, I'm measuring the ogive length of the chamber of my new rifle iaw your method. Did it serveral times until I could get consistent results. My rifle is chambered in 300 WSM. With 190gr SMK bullets I measure the ogive lenth at...
  15. CrazyJoe

    6.5x47 lapua build

    Re: 6.5x47 lapua build Gents, anxiouly awaiting mine from the builder. Nice way to spend that tax free deployment money. WRT firing pin bushing. I've read that before but been told that its only an issue when pushing the velocity envelop. This is the first reference I've seen to Gretan...
  16. CrazyJoe

    Mk12 Mod 0-1

    Re: Mk12 Mod 0-1 +1 for HCS. You get what you pay for. The builder is the same guy who built them for NSWC Crane until he retired. Mine is my favorite gun to shoot. CJ
  17. CrazyJoe

    Need help picking an AR>>>>

    Re: Need help picking an AR>>>> +1 for High Caliber Sales. If I would have bought their MK12 upper first I would not have 3 ARs. I paired it with a KAC lower and its my favorite gas gun by far. CJ http://www.highcalibersales.com/Site/MK12_MOD1.html
  18. CrazyJoe

    Suppressors ***FREE SILENCER GIVEAWAY***

    Re: ***FREE SILENCER GIVEAWAY*** Registered for the SWR Specwar. CJ But 4 days too late. The vagueries of 3rd world internet service.
  19. CrazyJoe

    Buying Help 338 LAPUA

    Re: Buying Help 338 LAPUA Was in the same boat a few weeks ago. The replies I received my help. Good luck. http://www.snipershide.com/forum/ubbthre...097#Post2867097
  20. CrazyJoe

    Suppressors Best buy for suppressor?

    Re: Best buy for suppressor? I just ordered a Surefire from Silenced America. Found them on the Hide. Scott was great to deal with even though I'm in Iraq and we did the transaction via email. His price was very competitive. www.silencedamerica.com. Good luck. CJ
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