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Posts posted by 4n2t0
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After breaking my first pin many moons ago I decided it was a good idea to keep a 10 pack of pins on the reloading bench from that day forward.
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I use Dillon dies to load 147's without issue but the bullet I load is RNFP so the round nose stem doesn't make contact with the point/meplat of the bullet. I would take out the seating insert and make sure it's clean. Also, you can probably fill the hole in the seating stem so that it won't mark the bullets but I would make sure the insert's clean first.
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Just out of curiosity what "new bullets" are you using?
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Are you sure it's not your sizing die. Regardless, brass flecks are getting embedded in either your sizing die or the FCD. Grab some steel wool and clean the ring(s) then polish the ring(s) with Flitz or similar.
Here's a picture of what to look for...
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1 hour ago, Hi-Power Jack said:
My BHP showed some difference in accuracy, but I was forced to go with the
OAL which fed 100%, at the expense of accuracy.
Obviously, it was an acceptable trade off - not an unacceptable loss of accuracy.
My BHP showed no difference, just like all my other handguns. I'd chalk it up to dumb luck.
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Handguns won't show any appreciable difference in accuracy by changing the OAL, I wouldn't waste my time trying. If you do happen to notice an accuracy difference when changing the length it will be due to a change in velocity +/-.
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3 hours ago, Sarge said:
Huh? Coke bottle effect in 9mm is normal. I run 7-8 lb springs in my Open guns and I have never used roll sized brass.
Yeah, I don't know what mechanoset talking about. To be completely honest I don't think I understood a single thing from his post, lol.
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5 hours ago, RangerTrace said:
I tried your little test the other day, but my BBIs won't fit into a fired case.
Weird, using a fired case works for me even with .356 bullets. Regardless, the other way you can do it is to load a round in the press really long and continually seat the round shorter until it will plunk and spin in the barrel. That will give you the max OAL for that barrel/bullet combo. Don't forget to make sure they'll also work in your magazine.
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Nothing will happen and you'll see a negligible difference at the chrono. More importantly have you push tested the barrel(s)/bullet(s) combo to make sure that length will work? What about the magazine(s)?
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I don't deprime pistol cases but I always wet tumble with pins. Pin separation takes me about 2-3 minutes with the FA wet/dry media separator.
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I load to 1.09 for my Shadow with a FMJ 147gr bullet. Don't worry about the short length, use the OAL that works for the bullet/barrel combination. You might be able to drop the load a little but I would chrono first to see what you get before modifying the charge. Prior to getting my Shadow I loaded the same FMJ 147gr bullet to 1.135 with 3.6gr of Titegroup. When I shortened the OAL to work in my Shadow I really didn't see a difference at the chrono, maybe 10 fps, which is negligible.
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43 minutes ago, The2aguy said:
I’m getting the impression the short OAL is only with lead/coated Bullets
Anyone having to load short with FMJ/plated?
Sent from my iPhone using TapatalkThe projectile's profile is what matters. Regardless, load them short(er) and live life happy.
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Your high on assumption and low on facts. A whole 10 years eh? Wow, I'm über impressed.
Have a good one...
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3 hours ago, sigsauerfan said:
the marksman barrel is excluded of the conversation.
the ideal AOL's for the glock polygonal barrel whatever the caliber are well known since moons and moons. glock barrels (polygonal rifflings and chambers ) haven't changed since 4 generation of guns. the marksman barrels are brand new on the market, so far only the G17 gen 5 is on the market right now. so obviously we're talking about subsequent productions which means the polygonal barrel.
<
...and no, gen 2-3-4 chamber's specs haven't changed too along the past couple decades , and then won't show such variations from gun to gun that you absolutely need to run a plunk test ( unless the use of different bullet profiles))
1) It's OAL, AOL was an internet service provider.
2) The OAL is projectile/barrel/magazine dependant not firearm specific.
3) You specifically mention the G17 and now state that since the only Gen 5 available is the G17 (which is also incorrect) that we're supposed to know which generation you were referencing?
4) What makes 1.13 better for a Glock than 1.09 or 1.10 or 1.12 etc.?
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40 minutes ago, Red Ryder said:
That's dangerous advice. Reducing OAL does cause pressure to increase. This is not a proportional equation though. some times it's exponential. I've watched several guns blow up and it's heart breaking.
I don't believe you Chicken Little. Start at a minimum charge and work your way up. As long as you don't do stupid everything will be fine.
Even when you do stupid...
http://dailycaller.com/2013/03/05/battered-bullets-does-bullet-setback-matter/
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4 hours ago, Rolex said:
SO-at that factory 9 oal is 1.150 ish--- and they worked- could be bullet profile!
Not could be, always is.
Loading short shouldn't be feared. Also, the only time I worry about compressing a load is when it's so compressed that it doesn't allow me to seat the projectile to the desired length.
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4 hours ago, sigsauerfan said:
consensus for G17-G34 is 1.130 .
1.145 is considered quite long given the fact that 1.169 is the max AOL specified for the 9mm round.
Consensus is you should always check with a push test and find your own OAL. Take the new Gen 5 for example, your "consensus" 1.13 might not pass a plunk test.
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5 hours ago, OPENB said:
It's not a powder issue. Could be: too light of a mainspring, high primers, too hard primers (rifle instead of pistol), short firing pin, etc.
Yup, I too vote for one of the above being the culprit.
I would lean towards it being a firing pin/spring problem. You've already somewhat eliminated a problem with the ammo, since it functioned properly in another firearm, that leaves you with a Springfield 1911 problem. What brand of primers are you using? I bet they aren't Federal...
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I'm not sure there's anything you can do to completely stop brass from oxidizing but the dry/cool approach always helps. You can also tumble the rounds once in a while to keep them looking good.
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LMAO, that's priceless. Thank you for being man enough to share that with us.
Cheers!
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3 hours ago, G-ManBart said:
Trace and I spoke about this load before he tried it, and it's largely what I load for major matches. For practice I substitute various less expensive bullets, but is otherwise the same. I have tried it in many, many guns and not run into a problem with the bullets hitting the rifling, and I've never had random hot rounds with it. I've got hundreds of rounds of it over the chronograph to support that as well, so I'm thinking it's a random oddball case.
Although you may be correct what does running it in your gun(s) do for him? I run my 147gr load with an OAL of 1.15 in many firearms but that doesn't mean it will work in a CZ or PPQ. It's quite simple actually. We can guess until the cows come home but until he starts eliminating potential causes (like doing the push test) and provides us with more information we're just throwing darts.
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4 hours ago, RangerTrace said:
I don't understand your question. 1.125" is where they are. They fit my gauge and my barrel.
I'm not sure what you don't understand. You need to find the max OAL for the projectile/barrel combination. I load a particular 147gr projectile at 1.15 for my Glock but my CZ Shadow won't accept anything longer than 1.09 (same projectile).
Do this...
There are several ways to do this, but here's my method.... Fit a new jacketed or plated bullet into a fired case. (No powder; fired primer.) If you try 2 or 3 bullet/case combinations you'll end up with 1 or 2 where the bullet is a snug "push fit". Set the bullet out to an OAL of like 1.300". Any OAL longer than what you need. Working with your barrel REMOVED from the gun, slide this "test cartridge" into the chamber. The bullet will slide back into the case until the mouth of the case comes to rest on the end of the chamber. Now, slowly and carefully withdraw the test cartridge and measure its new length. Do this a few times to make sure you're getting a proper measurement. That measurement is your exact chamber length for that bullet in that barrel. Now of course we need a set-back distance off the rifling, so subtract at least .015" from that number to obtain your maximum OAL.
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OAL too long.
2 hours ago, RangerTrace said:Loaded ammo falls in and out of the chamber/barrel with ease.
Every single round? I think the OAL on some rounds are too long. How did you obtain the max OAL for that projectile/barrel combo?
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Deep seated projectiles...
http://dailycaller.com/2013/03/05/battered-bullets-does-bullet-setback-matter/
Round Nose or Flat Nose for USPSA?
in 9mm/38 Caliber
Posted · Edited by 4n2t0
Weird. For me it has more to do with the bullets ogive than the point/meplat. My situation is the exact opposite. The FP I load have a wider ogive, which means they engage the rifling sooner, so I need to load them fairly short (1.09) for my CZ Shadow. Generally, I can load much longer with RN bullets.