Ok so this is my first attempt at improving long distance groups for 1000yd bench rest by bullet trimming and pointing, unfortunately I can only test at 350 yds prior to matches. I have consistent groups at .25 MOA using bullets right out of the Berger box. SD consistent in the single digits. So now comes the sorting by bearing surface in .001 batches. Trimmed to the same length and NOT pointed they stay at .25 MOA at 350 yds.
Now the pointing with Whidden die. Set up to just kiss the bullet at top of press stroke, die cap set to zero. Tested 5 shot groups pointed at 5( these look just like factory bullets when done), 10, and 15( as indexed on die cap). Looking at pictures that came with the die, the 5 and 10 pointed bullets look "correct", the 15 shows a hard angle from point to normal cone of the bullet, I would expect this to cause groups to open up.
None of the pointed bullets shoot better, the groups actually open right up .75 MOA or worse. I have tried trim, point shoot. Trim ,point, trim , point, shoot, not any better groups.
Looking for some advice from the guys that successfully bullet point!
Is it necessary to re-tune, ( ramp load, seating depth) with the pointed bullets? Or did I buy a 250 dollar bullet mangler? FYI I am using insert #1 for these bullets.
Any feedback would be greatly appreciated.
Now the pointing with Whidden die. Set up to just kiss the bullet at top of press stroke, die cap set to zero. Tested 5 shot groups pointed at 5( these look just like factory bullets when done), 10, and 15( as indexed on die cap). Looking at pictures that came with the die, the 5 and 10 pointed bullets look "correct", the 15 shows a hard angle from point to normal cone of the bullet, I would expect this to cause groups to open up.
None of the pointed bullets shoot better, the groups actually open right up .75 MOA or worse. I have tried trim, point shoot. Trim ,point, trim , point, shoot, not any better groups.
Looking for some advice from the guys that successfully bullet point!
Is it necessary to re-tune, ( ramp load, seating depth) with the pointed bullets? Or did I buy a 250 dollar bullet mangler? FYI I am using insert #1 for these bullets.
Any feedback would be greatly appreciated.