Parallax3D
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Posts posted by Parallax3D
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Bobby doesn't visit this forum, but he has heard and here is his reply:
Our guns feature ISMI 19lb main springs. We recommend use of Small Pistol Primers in our handguns. Small Rifle Primers are harder and may not reliably ignite. While it is possible that we could get a bad spring from time to time, we live fire function test every gun before and after refinishing. We are sending Sophia Smith a 19lb main spring to replace the 19lb main spring we originally put in her gun. She fired 450 rounds of factory ammo and had no failure to fire. It wasn't until she started using handloads with small rifle primers that she encountered the issue. We are working with her to resolve this and have a replacement spring headed her way now. We do not visit the Enos forums so if you have an issue with a CK Arms gun, you can contact us directly by emailing us at sales@ckarms.com
Sorry, but that was NOT a 19# mainspring in the gun. I REPLACED whatever was in there with a 19#.
Also, I'll wager that MOST people shooting 9mm major are using small rifle primers. If you're building a 9mm Major open gun, you should know that and plan for it.
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Chuck, most people don't use SPP on 9mm major loads because of the pressures involved. The gun should go bang, regardless.
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I had problems with light strikes in my new CK Arms gun as well, and primarily just on major loads with rifle primers. I think the mainspring must be VERY light, (like a 15# spring.). I replaced mine with a 19# mainspring, and haven't had problems since. I would suggest at least a 17# mainspring, to get good ignition.
Did you have to adjust the trigger pull, as well?
Yes. Changing the mainspring will affect the trigger pull, because that is the spring that is applying pressure to the hammer.
IIRC, the pull went up from 2# to about 2.5#. I just tweaked the sear spring until I got it back where I wanted it.
And my primers ARE seated below flush. Pistol primers went off, but rifle primers didn't. All rounds loaded on the same press with the same die setup, (no adjustments between major and minor rounds, aside from primer type and powder), so it's NOT a primer seating issue. A 15# mainspring just isn't strong enough for reliable ignition, IMO.
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2.3.6 If the Range Master (in consultation with the Match Director) deems
that climatic or other conditions have, or are likely to, seriously affect
the safety and/or conduct of a match, he may order that all shooting
activities be suspended, until he issues a resume shooting directive.
The resume shooting directive could only be given the following day.
2.3.4 pertains to making changes to a course of fire.
or if the stage has been rendered unsuitable or unworkable for any reason,
Weather conditions that affect the safety of the stage and make it unsafe would apply in this instance.
Also, as I said, offering the shooter the option to come back is NOT an answer. You offered them the option to shoot the match in 1 day, If you weren't going to honor that, you shouldn't have offered it, Shooters cannot be held responsible for acts of God, or your shortsightedness as a MD.
Totally wrong call, IMO. The stage should have been thrown out.
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If all shooters were not given an opportunity to complete all stages, any stages that were not able to be shot by everyone SHOULD have been thrown out!
2.3.4 If the Range Master (in consultation with the Match Director) determines that the physical or procedural change results in a loss of competitive equity and it is impossible for all competitors to attempt the revised stage, or if the stage has been rendered unsuitable or unworkable for any reason, that stage and all associated competitor scores must be deleted from the match.This is really no different than if a piece of range equipment broke, and could not be fixed until the next day. The fact that the weather was better the next day, or that the equipment might have been fixed the next day, does not change the fact that shooters who were authorized to shoot the match in 1 day did not get a chance to shoot the stage.
As the MD, you chose to offer competitors the option of shooting the match in 1 day, You can't penalize them if they fail to complete a stage because of inclement weather or other issues that are out of their control, and since you offered them the option to shoot the match in a 1 day format, you can't require them to come back for a second day and complete the match. 1 day format means exactly that. -
Only a million people...
Its a slow open major powder, one of the 3 powders that 9mm open major can use. Don't use it for 9mm minor or 40, sell it to an open shooter. He will be forever grateful.
jj
Three powders? I can think of about 6 that 9mm open major can use.
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you could be nice and offer to come to Florida and do it for me ....
Sure, all you need to do is put me up in the Presidential Suite at the Fontainebleau in Miami for two weeks.
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My primers are below flush, and I still had light strikes.
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The ONLY time I really worry about which direction I engage the targets in, is when you are shooing strong-hand/weak-hand. When you do, the gun will naturally rise to the opposite side of your shooting hand, (muzzle rises to right if shooting with left, and to left when shooting with the right.) I use that to ride the recoil to the next target, instead of fighting the recoil.
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Try to avoid mooching, especially if you already had a plan, then see someone ahead of you do something that seems "better." Changing your plan at the last minute is never a good idea,
If I DO see someone that has a better plan, and I have time to walk through it and rehearse, then hell yeah! You'd be stupid not to use a better plan if you see it, and have time to rehearse it. -
IIRC, the CK Arms XL firing pin measused 2.332". The firing pin on my other open gun is only 2.325". (Since I was having problems, I took it out and mic'd it with my micrometer.)
It may be lighter than others though. I'm not sure if they're titanium or not. I didn't think to weigh it.
Increasing the mainspring weight will definitely fix the issue, but you may have to tweak the sear spring to get your trigger pull back to about 2#. You also may need to tweak the recoil spring weight when using minor power loads. (I had to, because I started getting stovepipes. I dropped to a 7# recoil spring for minor.) -
but I want the easy, no effort answer ....
Come on now! I'm a girl. and I did it myself. You're gonna let a girl out-gunsmith you? (Throws down gauntlet.)
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I had problems with light strikes in my new CK Arms gun as well, and primarily just on major loads with rifle primers. I think the mainspring must be VERY light, (like a 15# spring.). I replaced mine with a 19# mainspring, and haven't had problems since. I would suggest at least a 17# mainspring, to get good ignition.
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Just get the longest ones available, (3/4" usually), and cut them down. Cut them down and file to final length, (so they don't protrude and scratch up your slide.) Taking a little extra time to do it right is worth the results, and you're sure to get as much thread engagemnet in the frame as possible, as opposed to using screws that are "just long enough."
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The only part that sux about the change is the huge price difference I could have bought 4 or 5 glocks for what I paid for my limited 2011 but I truly believe in you get what you pay for and I'm never going back !!!
And you can spend hundreds of dollars trying to "fix" a Glock and make it shoot like a 1911/2011, but it never will. You're better off with the 2011. Quality doesn't cost, it pays!
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It's an oddball size that most hardware stores don't carry. They usually just carry 4-40, 6-32, etc. Hard to find outside of shooter supply websites, or specialty hardware like Grainger.
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Should be 4-40
Sent from my iPhone using Tapatalk
Nope!! Cmore mount screws are 5-40.
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I woukd say that was a LITTLE harsh.. one of the best local open shooters around shoots a 40 2011 and wins almost every match over a bunch of other excellent open shooters with 9's and 38's. Having shot his gun, the dot barely leaves the glass, and it's softer in the hand than just about any other open gun I've shot.40 Open is a waste of money, time and effort. Not enough gas to work the comp. You'd have to load very light 135gr bullets to really take advantage of the comp and gas, and not many companies make them. The mag capacity puts you at a disadvantage right from the start.
Basically, you aren't going to be competitive running a .40 open gun. That's why practically nobody does it. I'll admit that I did it for the first 6 months that I ran Open, but I've been shooting 9mm Major now for the past 3 1/2 years.
Granted, if I was starting from scratch I would get a 9mm.
I have a feeling that's more a case of "it's the Indian, not the arrow." I'd bet that your .40 Open shooter would probably do well, no matter what they are shooting.
Don't take it personally, she's mean to everyoneAm not!
Generally speaking though, shooting .40 S&W in Open is a disadvantage, based on mag capacity alone. That's why none of the top shooters are shooting Open with a .40.
It HAS advantges, such as no need to reload in order to make major. (Pretty much all commercial .40 ammo makes major.) If that's an issue for someone, (can't reload), then yeah, shooting .40 is an option.
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Rain-X looks like it left a film on mine
You have to apply it, let it fog over, then wipe it off. That's the way it's supposed to be applied, per the directions.
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I'm embarassed to say that I've never been to SS Nats as a shooter or staff, and I'm actually a MEMBER of PASA!
I MAY actually be shooting serveral of the stages this Sunday at our club match with my new open gun though.
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Something definitely sounds funny! I just switched my C-More from a vertical offset mount to a 90 degree, and even with that, I had pleny of adjustment. Upon shooting the first group after making the switch, the dot was low and right. (POA was at the head, and POI was just right of the right shoulder, so about 6" low and 8"-10" right.) I don't think I made even a HALF turn on ANY of the adjustment screws to bring it back on target.
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This is a different manufacturer and a totally different gun, but when I sent my XDm to the Springfield Armory Custom Shop, I had to sign a waiver for them to do anything less than a 3.5# trigger pull. Attached is the waiver they sent.
Commercial manufacturer. Usually a different story than a small custom gunsmith. Large commercial manufacturers have lawyers that make them do things like that purely as a CYA measure.
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Back. I shoot open, and have a DAA magnet in the center up front that I use as an index to center my rig.
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Finding the dot is not really an issue for me any longer. I've been shooting open for 3 1/2 years now, I'm close to A, and I shoot 2 steel matches per month, and 2-3 IPSC matches per month. The only time I ever have to look for the dot is on strong-hand/weak-hand stages, and there is a trick to that. Put your muzzle at 12-o'clock in your window, then drop it straight down. The dot will appear.
Light primer strike on 9mm major load with failure to fire CK Arms Bla
in Open Pistols
Posted
It may be that Bobby got a batch of mislabeled springs. Who knows?
The 19# spring that I installed certainly was much heavier than what shipped with the gun.