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Andrew

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About Andrew

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    Montana, USA

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  1. Andrew

    Tikka tac chassis v after market chassis

    Is there something you don't like about the TAC? I am finally getting out to shoot mine (the weather went from -35F to +35F) and I really like the way the TAC chassis is set up.~Andrew
  2. Mine takes less time to set up than my Chrony(s). After you've set it up once or twice -running through the option screens- it becomes second nature. Takes me about 5 minutes to set my options and verify the aiming of the Doppler.~Andrew
  3. As a bullet caster for almost 5 decades, I would offer that casting the chamber and slugging the bore is imperative if you are going to shoot cast bullets -and jacketed bullets for that matter. As an example, I had a 1875 Remington Replica in 44-40 that would not shoot jacketed or cast bullets well. Cast bullets were the worst but jacketed were bad as well. The original owner sold me the gun out of frustration so I slugged the bore: .429" which is pretty standard for a modern .44 caliber barrel. I then slugged the throat area ahead of the chambers. Each throat was .428" which is about standard for a traditional/original 44-40. The result was .429" and .430" bullets were being swaged down below groove diameter giving horrible accuracy. I reamed the throats to .431" and the pistol started shooting 1.5" at 25 yards. I slugged my Husqvarna 25-20 hoping to make it a cast bullet rifle. The groove diameter was .262" I had a Remington 788 in 30-30 that had a .307" groove. Never take the bore or throat diameter for granted. Without knowing what they are you will be chasing your tail. JMHO.~Andrew
  4. I don't use the interface. It's not too much work for me to reach over and turn it on without my phone handy. I also have a card installed to record results. You are correct though, ours are more powerful. I have tracked bullets to 110 yards. My buddy has tracked them to just short of 150 yards.~Andrew
  5. Andrew

    Velocity plateaus in load testing: Why?

    Can't explain it as I have been a bit more coarse in my testing, looking for the end mark in loading a given powder. This kept me from incrementally loading a powder that was never going to reach a (needed) velocity level.~Andrew
  6. Andrew

    Velocity plateaus in load testing: Why?

    You really need a pressure gun. If you look at a tracing of a pressure curve you will see that (generally) the peak pressure eventually takes a steep upward turn while adding to little to velocity. I believe this was the reasoning behind the idea. I have used it myself in developing loads. It won't pin point a narrow load band but you can track at which point the powder added gives smaller velocity gains indicating that you're probably hitting a peak with that particular powder.~Andrew
  7. I neck ream some 308. Can't say there is much practical advantage unless you are using military cases.... in which case -everything else done well- you can get some very accurate brass.~Andrew
  8. Andrew

    Berger 185 juggernaut powders

    Try Lovex SO62. The company that markets Lovex in the US claims it to be quite similar, or that's the way they are presenting it at least.~Andrew
  9. Andrew

    Brass Trim Length

    Yes. I trim to the shortest case in the LOT. But only after I FL resize.~Andrew
  10. Agreed. I do not use it and tighten the bejeezus out of the tension nut on all my bipes. ~Andrew
  11. If you don't need the panning feature, they are fine. All of my Atlas are the ones with the legs that rotate. A real annoyance with some feet. This model is fixed and that is a plus. Have been moving to some of the MagPul bipods for ease of use AND the non rotating legs.~Andrew
  12. Andrew

    Downloaded seat depth

    With regard to the variation in depth, will be fine.~Andrew
  13. Andrew

    Brass Trim Length

    I FL resize all new brass in my FL die and then trim all cases to the exact same length - the length of the shortest case. In this way, the second time I load the brass is will be as close as possible, dimension-wise, to the brass on the first loading. Too many people tend to take the 'first firing' of brass as a throw away session. My method lets you pretty much know -good or bad- what to expect on the second loading.~Andrew
  14. I think I measured the BC of some standard 40 grain RN Sub Sonic at .121 @ 3000 ft above sea level on a 70 degree day. Don't bank on that number as my memory is not what it should be. It's probably close though. How far are you planning on shooting?~Andrew
  15. True this. I was shooting long range with a fellow that had a decently accurate rifle propped on what looked like an Atlas bipod. He was having a hard time connecting with steel all day and when I asked if his bipod was loose (perhaps??) he showed me the jiggling collection of rivets and stampings and pronounced it fine. "Just as good as an Atlas at one-quarter the cost!" While I agree some bipes are over engineered and over priced, a good bipod beats a P.O.S. bipod every time. Recently I have been testing the MagPul bipod on a couple of my Creedmoors and my 300WM. They are inexpensive compared to the Atlas but seem to work just as well for almost 1/3 the cost. In fact, I find them better than the early Atlas having the rolling feet. The MagPul, unlike so many out there, are at least solidly built and solid when deployed. That means everything.~Andrew PS: I am a little miffed that this was a spoof. I'll need to call my bank and stop the paperwork....
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