LMS
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Posts posted by LMS
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On 7/22/2017 at 11:02 PM, selecw said:
Keep us posted. As you get to 250, 500, 5000 etc
Quick update - over 300rds down the pipe and still holding. I'll do another 250 over the next few days.
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I use this type of setup. Only takes my eyes about 5 mins to adjust. Actually, easy and fast adjustment when putting them on, but takes a little while longer when putting my bifocals back on after shooting is done.
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Seems like a harsh angle there on the right side.
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Mine was milled in June of this year.
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On 7/29/2017 at 5:59 AM, Brooke said:
Maybe they changed it, but when I called Stuart confirmed that the threads were 8-32 and 8-32 screws easily fit and were removable and reinsert able several times. The metric screws seemed to fit but could be pulled straight out without rotation. He even said they had to enlarge the holes in the sight to accept the 8-32. Not my imagination.
Thanks for the clarification. I was careful when I wrote that statement to say mine was M4x.7
. How long ago did they machine your slide? Wonder if they changed over due to mfgrs changing hardware.
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13 hours ago, Brooke said:
The screws supplied with theDPP Pro are metric as indicated in posts above. The CZC multi cut has 8-32 threads. You can but some 8-32 screws at a hardware. I had to buy screws that were too long and file them down. The other problem is that 8-32 screws won't fit through the hole in the sight. You have to carefully enlarge the hole to get the screw in. It's definitely a monumental FU because I called this to CZC's attention months ago and apparently they chose not to address the issue.
The good news is that once I got the right thread and got them in the sight they have not come loose. The bad news is I had your problem with the first DPP Pro I installed in my backup gun and eventually put the metric screws in with red loctite. Now I can't get them out to put in the 8-32's.
CZC should be ashamed of this crap.
I can say with 100% certainty that my CZC milled slide does not have 8-32 threaded holes, they are definitely M4x.7. I have tried screwing in 8-32 screws and gently threading a 8-32 tap as well as M4x.7 screws and M4x.7 tap, and the 8-32's do not fit and the M4x.7's do fit and perfectly. Those two sizes are very close, but they are not identical, and I suspect you are getting the 8-32 to go in a for a couple turns and then cranking down on it to force an interference fit (because I was heading down that path before I realized they were really M4x.7). Looks like you've found something that works for you which is great, but I would not characterize it as a CZC f-up.
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13 hours ago, zombywoof said:
I was tired of optic screws coming loose, even with red Loctite. I have found the solution. I have the same Delta point screw problem. I use red Loctite and apply gorilla glue under the head of the screw. I get a little on the screw shaft and let it ooze out of the top of the screw head and let it dry. After thousands of rounds they stay put. It comes off easy too.
My wife's Browning Buckmark optic mount screws would always come loose. No matter how clean I would get the threads, it would still come loose. Red Loctite too. I use this method and so far so good.
How are you getting the red loctite off? My understanding is that it requires 500 degrees of heat, which would seem like it would fry the electronics.
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Update on how this is going so far. I did tap out the holes to a greater depth. It was harder than I thought to get the depth exactly right so that I could get some resistance a the end - I was unable to make that work, as fractions of a mm made a difference in not enough vs too much.
It turns out a screw length of 18mm is too short, and 20mm is just right. It wasn't too hard to tighten to the right amount to not damage the sight housing. I ended up not using o-rings per the discussion above with selecw. In the end I went from 0.1" of thread contact to 0.25" of thread contact, so quite a difference at least from a mathematics standpoint.
If you try this, remember to clean out the hole after tapping - with air to get the chips out and with degreaser in the holes to get the tapping fluid out, and then alcohol to get the degreaser out and have the holes ready for loctite. I used the blue for now.
I put 125 rds down the pipe today and it's holding well, I intend to do at least another 100 tomorrow. 250 is around when the other screws came loose so should be a good test.
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Just now, selecw said:
You could always add a compressible gasket to protect the sight housing
Great idea - probably a 10 cent o-ring would do it.
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One more day with the M&P at Ontario tomorrow?
LMS
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Well here's what I am going to try.
The threads on the screws from Leupold only extend about 0.1" into whatever the scope is mounted to. I have the milled slide from CZ Custom, which has holes drilled a bit more than 0.25". They are not tapped all the way, and I think they are tapered at the end since I can only screw a screw about 0.12" in right now.
I am going to take a flat bottom tap and go into it so that i can get 0.2" of thread into the slide (twice as much as it is now) plus due to the tap profile, there will be some resistant thread at the end of the tapped hole to dig into a little bit. I am going to go against my own advice and use a regular screw (not the Leupold one with the shoulders), and take great care to not compress the housing while also getting down farther into the slide. I am hoping the combo of 2x thread area, tight thread at the end of the hole, and blue locktite will do the trick. According to my measurements, an 18mm screw should be the right length.
I'll let y'all know how it goes....
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On 5/7/2017 at 10:07 PM, selecw said:
19277
I ordered these from boltdepot.com
Metric machine screws, Star drive flat head, Stainless steel A-2, 4mm x 0.7mm x 16mm
I would be careful with those. The shoulder on the screw that comes with the DPP prevents over tightening (which could compress / damage the optic housing and consequently whatever is in it).
I am having the same problem as others on this thread. The folks I know that solved it used super glue or the red colored locktite, both of which are a bit too permanent for me. I wish the threads were about .1" longer, as the tapped holes in my slide will accept that.
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CZ 75 SP01 Shadow. I was getting my palm caught between the plastic base pad and the bottom of the magwell on occasional poorly executed reloads. Hurt like a b*tch. I put the shock bottle easy offs onto my mags and have not had a blood blister since. Also, if you get a brightly colored pad, easier to find the spent mags after shooting a stage. YMMV.
LMS
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18 hours ago, trgt said:
Slide milled by Springer Precision.
Thanks. I am turning a pistol into a CO gun, and am going to get the Delta Point. I was looking for a short cut for mounting, but it seems like milling is really the best way to go.
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I bought them and returned them. The gel cups were definitely the most comfortable thing ever, but the sound coming out of the electronics was really weird. For me, definitely not worth 6x the electronic muffs they replaced.
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On 3/22/2017 at 11:27 AM, trgt said:
Deltapoint Pro 7.5 MOA triangle on my carry optics CZs. I have friends who just prefer the 2.5 MOA dot on theirs, its certainly bright enought to not lose or wash out. But I find the larger triangle is just more visible for me at speed (just put red on target 15 yards and under), and there's some versatility with the triangle on how you use at longer distances. (I've variously tried 25 yard zero to tip of triangle, as well as lining up triangle to top of steel or target at 25 yards the zero to headshot A zone. Both ways have some pluses/minus vs each other, but either for me superior to just the dot).
Did you have your slide milled or did you use the Leupold mount kit? Or something else?
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On 12/28/2016 at 11:28 PM, StealthyBlagga said:
At our monthly 3-Gun matches we run a mandatory new shooter orientation for all newbies. We think this calms a lot of "first match" nerves. After completion (about 30 mins) the newbies can shoot the match.
Importantly, we assign an experienced competitor to hold their hands through their first match... help them avoid safety infractions, offer stage planning guidance, debrief after each stage with constructive criticism and positive reinforcement, answer any questions they have etc.
Since starting this "mentoring" program, we have noted a marked uptick in retention.
Your mentoring strategy is a great idea. I've only been shooting USPSA for about 6 months but came from competitive shotgun shooting so I had a little awareness of what competing would be like. I had some folks offer me pointers and everyone was friendly, but that mentor idea makes so much sense.
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Please take the thin plastic protective shipping shield off the face of your Lyman trigger scale - it's one of my pet peeves.
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Getting closer - it's in the 2017 catalog:
https://www.thetruthaboutguns.com/wp-content/uploads/2016/11/2017-New-Product-Guide-TTAG-Edit.pdf
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37 minutes ago, ARy said:
I'll actually add on to that... here in California, we're facing a magazine ban of more than 10 rounds. So basically, California just essentially eliminated open and Limited classes in uspsa starting January 2017.
Don't be so sure. We have the 10 round ban in NY, and we still shoot open and limited in USPSA - they just limit competitors to 10 rounds.
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12 minutes ago, v1911 said:
I'm not up to date on foreign countries and their gun laws. But how could millions of Americans with the capability to own these not be a priority market? Just how many more units do they sell in Europe in comparison to here? And how much of that is due to marketing?
+1 on that.
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I have the Dawson's on my Shadow and like them.
. How long ago did they machine your slide? Wonder if they changed over due to mfgrs changing hardware.
Ultrasonic Cleaning Solutions (Revisited)
in General Gunsmithing
Posted
Full strength or diluted?