TDA
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Posts posted by TDA
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Sometimes those left over parts are useful!
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3 hours ago, Hi-Power Jack said:
You might be right, but I'd think the metal would expand, causing
the hole (bore) to shrink because the metal expanded .... ???
I'm not sure how a bore (hole) would expand because the metal
got warmer.
A 9mm barrel would need about a 450 degree increase in temperature from ambient for the bore to expand .001".
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On 4/26/2017 at 1:22 PM, Hi-Power Jack said:
I would expect as the barrel heats, the barrel would expand,
tightening the bore slightly and elevating velocity ..... ???
The barrel bore would expand causing it to loosen up.
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On 4/14/2017 at 7:44 PM, inline4 said:
anyone use the GRX on completed rounds that doesn't pass case gauge?
I'd be measuring the diameter of the case of a seated bullet and then measuring the ID of the die to make sure you are not swaging the bullet down to where it could easily cause setback!
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Either wnat HPJ stated above, or the new bullets are not fitting very well in the seating die and are seating crooked.
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Sounds like you friend just isn't pushing hard enough on the handle to seat the primers.
Don't bother measuring, just seat them fully in the case.
You might make sure that the primer punch hasn't loosened up and backed out a bit.
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On 3/28/2017 at 7:56 PM, KindredGhost said:
It really sucks trying to tighten the bullet seat and crimp die down only to have it move a little bit more when you screw it down in place.
Hold the die with one wrench and tighten the lock nut with another wrench.
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Looks like moly coated bullets.
Is that what you were using?
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"Looking for N320 load data major PF 180gn Bullet and 200gn bullet"
You might get some response if you provide a bit more info...or try the "search" function.
Bullet profiles differ, lead, plated, jacketed, coated, moly, etc. makes a difference, chamber lengths differ, barrel length differs, there are many powders to choose from, which leads to infinite answers to your question as asked
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Sounds like you may be wet tumbling your cases with pins and the powder funnel is sticking in the case.
Over cleaning cases can cause issues.
New cases can have the same issue if not dry tumbled a bit first in corn cob or walnut shell etc..
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I tried Lee dies one time on my XL650 and I couldn't seat a coated bullet without scraping like you show.
I about tore my hair out trying to figure out what was going on.
I found that the Lee seating die was removing the belling as it slid over the case mouth.
I switched the seating die to a Dillon die and have never had a shaving problem again.
I compared the two dies and the bore in the Lee die was barely larger than the case outside diameter.
Try sizing and belling a case and then measure the bell. Then run the case through the seating die and then measure the bell after seating to see if your die is closing it up.
Edit:
I just checked and the Lee seating die measures .381" and a completed round I just checked measures .3785", so it didn't make any difference how much you belled the case, the seating die removed the belling as soon as it touched the case mouth.
That was my first and last experience with Lee dies...
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2 hours ago, bowenbuilt said:
I like the ACME coated 180's and really like the enos10, a ten percent discount at check out.
Acme 180 coated here as well.
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I give up!
How do you post images on this site??
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Deleted
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2 hours ago, ChemistShooter said:
No question the brass is hitting the striker a lot harder.
??
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Are you possibly using a large magazine tube with small primers?
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2 hours ago, Hubcap52 said:
I have two chronographs and do work up safe loads.
How much did the velocity increase with the heavier cases?
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This is why you use a chronograph and work your way up when developing a load for your particular firearm.
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Measure the expander.
It needs to be smaller than the projectile diameter.
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They usually come with two seating stems, one for round nose, and one for semi wad cutter.
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Does the track have a "5" stamped in it?
Yours looks more like like a .40 track in that top pic.
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That seem pretty weak.
I load 5.1 of WSF with 115 lead at 1.095".
Finding the maximum charge
in 9mm/38 Caliber
Posted
It may be, on a different chart...