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  1. gcoulsey

    308...OCW help

    Re: 308...OCW help 44.3 looks good to me, .3 higher AND lower charges grouped in same place, So on face value I'd call that middle of a node.
  2. gcoulsey

    208 amax nose profile

    Re: 208 amax nose profile The extra .1 forward of the ogive?
  3. gcoulsey

    208 amax nose profile

    Ok I'm getting restless again and fancy tinkering with a new load, I've got a couple boxes of 208's on order, my question is this.. My pet load is 178 amax with a 10 thou jump, this just nicely clears my AI mags.. Is the 208 amax nose profile the same as the 178's? Is it reasonable to assume...
  4. gcoulsey

    Load speed

    Re: Load speed I guesstimate about 2500 fps ish. Give or take 50.
  5. gcoulsey

    Scratched up bullet when chambering?

    Re: Scratched up bullet when chambering? They look like they could be getting scratched off a sharp edge on the feed ramp, can you feel any sharp edges with your finger? If so you can try polishing it out with a demmel tool, Either way, they don't look bad enough in your photo to hurt...
  6. gcoulsey

    Tight bore barrel

    Re: Tight bore barrel I'm not sure how a tightbore can benefit/negate seating depth? By altering the seating depth, we are fine tuning the pressure curve, just one of the many variables to finding what the individual rifle setup 'likes'. I would imagine that finding your sweet spot of...
  7. gcoulsey

    ND3X50 Laser Genetics

    Re: ND3X50 Laser Genetics ^^^ cold weather (subzero) model isn't available yet here in UK, But the only difference is an insulated battery compartment. Keep the batteries insulated and keep shooting. We have only changed the batteries ONCE in the 3months, and that night it dropped down to...
  8. gcoulsey

    ND3X50 Laser Genetics

    Re: ND3X50 Laser Genetics Hey chaps, My friend and I have been using an nd3x50 for the past 3months now For shooting steel after dark.. As others have said, absolutely no problem lighting targets up out to 1k. It helps to have the steel plates (or whatever) sprayed White, We started out...
  9. gcoulsey

    ultrasonic cleaning problem......

    Re: ultrasonic cleaning problem...... http://www.6mmbr.com/ultrasonic.html
  10. gcoulsey

    Help with some .308 Brass issues

    Re: Help with some .308 Brass issues You beat me to it.. I write too slow!
  11. gcoulsey

    Help with some .308 Brass issues

    Re: Help with some .308 Brass issues +1 shoulders need bumping, you can even see higher shoulders of x1 and x2 in your pic. I'm guessing your x1 fired cases that chamber ok from your previous range trip, simply havnt grown enough to be a problem yet, and your die setting isn't actualy sizing...
  12. gcoulsey

    1st time out with home rolled and Tikka

    Re: 1st time out with home rolled and Tikka That's fine, those bullets are jump tolerant, load the 168's to around 2.8" COAL (you can still use your tools to measure off the ogive) Play about with your charge weights with the powder you have, and get some happy trigger time in!!! As a...
  13. gcoulsey

    155 gr. or 208 gr a max

    Re: 155 gr. or 208 gr a max I havnt used the 208's, but I HAVE used the 210 bergers for a while, Managed to get over 2550fps with both varget and vvn550.. Heavy recoil, hard on brass, (but damn accurate results) Don't think it's worth it for 600yrds. The further you shoot the more you...
  14. gcoulsey

    1st time out with home rolled and Tikka

    Re: 1st time out with home rolled and Tikka Diego, seeing as your just starting out, you might find it easier to stick to book length, find your charge weight FIRST, then tweak your seating depth to fine-tune your chosen load. What bullets are you using?
  15. gcoulsey

    load development input please

    Re: load development input please Point of impact can often lower with faster rounds, It's all about barrel harmonics/timing. Your barrel flexes/whips/vibrates or whatever you want to call it, as the bullet travels along it, a faster bullet will exit the muzzle at a different point during...
  16. gcoulsey

    load development input please

    Re: load development input please +1 on what memo said.. X4 fired brass could easily have slightly different behaviour than fresh brass, neck tensions,web of the brass not getting sized in the die blah blah blah.. Sounds like you have a nice load worked up, But this is one of the reasons...
  17. gcoulsey

    New to reloading...how full should 308 case be????

    Re: New to reloading...how full should 308 case be???? Crunching powder is pretty common, but it's good to err on the side of caution, Good luck with your first loads
  18. gcoulsey

    Powder choices for 77grain smk or 75hornady.

    Re: Powder choices for 77grain smk or 75hornady. +1 for 24.5 grn varget, 77grn bergers, lap brass, ccibr4's In a 1/8 twist AR platform. (2.26" mag length) Also used 77 smk, but the bergers shot a little tighter
  19. gcoulsey

    Tarnished brass

    Re: Tarnished brass Bicarbonate of soda (baking soda) or whatever you call it across the water.. Add some to your water to neutralise
  20. gcoulsey

    any experience with IR chronographs?

    Re: any experience with IR chronographs? I have the CED ir screens too, for night use, I havnt needed them yet, but tried them quick when they first arrived, In bright sunshine they didn't work too good, But that's not what they are designed for.. The regular screens have worked fine in all...