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#1 |
Member
Join Date: October 14, 2010
Location: Illinois
Posts: 56
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Any suggestions from the Professionals????
Well I shot some reloads today that were 155gr LRN from bulletworks over 4.5 and 4.9gr of bullseye. Ended up being pretty much just a disaster. Both loads did not cycle or feed properly. Two/three rounds would fire consecutively, but after that the slide would just stuck and would not close all the way. I tried to take the slide off and the slide release did not even work. Just plain stuck, but eventually got it cleared. Now I was going by Steve's webpage I believe the name is, that I got from another thread for load data. I do not know why these two malfunctions happened. Now these are my first reloads ever, so I guess I should expect this, but thats why I am asking the professionals. Any suggestions?
4th Gen Glock .40S&W |
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#2 |
Senior Member
Join Date: June 17, 2010
Location: Virginia
Posts: 7,209
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Everything I see/read says at LEAST 5.0 grains (up to 6.0) of Bullseye for the 40S&W. QL pressure curves confirm that.
(the `40 is a 30-35,000psi cartridge. 4.5-4.9gr Bullseye w/ a 150-ish bullet doesn't produce even half that.) |
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#3 |
Member
Join Date: October 14, 2010
Location: Illinois
Posts: 56
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Havy,
Thank you very much that was very helpful. Do you have any suggestions for how many grains? |
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#4 |
Senior Member
Join Date: June 17, 2010
Location: Virginia
Posts: 7,209
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Please see the discussion at
http://www.mnguntalk.com/viewtopic.p...137622#p137622 Be careful. The 40S&W can be a particularly finicky cartridge to reload for due to several factors. I strongly suggest you get several modern manuals -- including both of Lyman's (49th ed, and Cast Bullet) http://www.lymanproducts.com/lyman/c...blications.pdf Last edited by mehavey; October 18, 2010 at 12:29 PM. |
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#5 | |
Senior Member
Join Date: October 28, 2006
Location: South Central Michigan...near
Posts: 6,501
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Quote:
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#6 |
Senior Member
Join Date: October 14, 2009
Location: Sunshine and Keystone States
Posts: 4,461
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.40 S&W is a tough cartridge to start with, I recommend .38 special or .45 ACP. Both are low pressure, easy and pretty forgiving.
Note - http://www.alliantpowder.com/reloade...29&bulletid=40 says 6 grains, so anything less than 5 might make it hard for your gun to cycle, depending on the gun, recoil spring, etc. Last edited by spacecoast; October 18, 2010 at 01:18 PM. |
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#7 |
Senior Member
Join Date: February 7, 2009
Location: Southern Oregon!
Posts: 2,891
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Did you get th loads mentioned from your reloading manual? And did you compare it to your other manuals?
FWIW, I do not use any load I get from any on-line source. I always refer to my published load manuals, and often compare loads between manuals. I'd suggest a Lyman's 49th edition Reloading Manual, Lee's Modern Reloading, one or two from powder manufacturers (whichever powder you are using), and one or two from bullet manufacturers (whichever bullets you use). Jes my .02. It's advice I got 25 years ago and has worked ever since... |
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#8 |
Member
Join Date: October 14, 2010
Location: Illinois
Posts: 56
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I was referring to a loading manual and the help of a long time reloader to help get me started. Any chance it could have been bad brass that was causing the cycling and feeding issues? I was using once fired brass from my 4th gen glock with a factory barrel And yes lol, I was using a stainless when I fired the lead rounds.
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#9 | |
Senior Member
Join Date: December 23, 2005
Location: Minnesota
Posts: 2,968
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Quote:
Some of the Glock replacement barrels have fairly tight chambers compared to the factory barrel. Did you properly FL size the Glocked brass and did you apply enough crimp to remove the flare + a little more? To much crimp can distort the brass and cause feeding issues. What dies are you using? You may need a Redding GRX die and a Lee Factory Crimp die to size your Glocked brass down to fit into your new chamber, that's if you have a new chamber. |
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#10 |
Member
Join Date: October 14, 2010
Location: Illinois
Posts: 56
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Steve
I was using my 4th Gen Glock 22 with a Lone Wolf Stainless. The problem I have now is if I put a loaded magazine in my Glock, close the slide, everything runs real smooth. If I try to eject the round without firing the round it doesnt even budge. The slide is basically stuck and will move. The only way to get the gun to operate again is to take the magazine out and fire the round. Why does this happen?
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#11 |
Senior Member
Join Date: February 20, 1999
Location: home on the range; Vermont (Caspian country)
Posts: 14,324
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did you say KKM barrel? (maybe you should)
Because the OAL is too long.
Rainier 180g TCJ-FN. CCI500. Sized case, new or used. 6.0g Power Pistol (can start at 5.4g). OAL 1.130"+/-.005". Finish using the LEE Carbide Factory Crimp Die. |
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#12 | |
Senior Member
Join Date: December 23, 2005
Location: Minnesota
Posts: 2,968
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Quote:
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#13 |
Member
Join Date: October 14, 2010
Location: Illinois
Posts: 56
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Steve/weshoot
Im reloading 155LRN over 5.7gr Bullseye and my overall length is way under the 1.13. Im seating at approximately 1.125in at the most. And just for some info, im using a Lee Pro 1000.
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#14 |
Senior Member
Join Date: December 23, 2005
Location: Minnesota
Posts: 2,968
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You still should remove the barrel and use it for a case gauge.
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#15 |
Member
Join Date: October 14, 2010
Location: Illinois
Posts: 56
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Steve
What about a standard case gauge? I have one ordered and will have it soon. Should I still pop the barrel out and throw a round in the chamber every once and awhile even with using the case gauge?
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#16 |
Senior Member
Join Date: December 23, 2005
Location: Minnesota
Posts: 2,968
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Use the barrel and forget the case gauge. After all you are loading these rounds into your barrel, not the case gauge.
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