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About Zmaniac

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    Big Z

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  1. I have a CZC plate system for my CO setup, helped to have plate as the Romeo1 optic I first used broke quickly, as did the 2nd Romeo1, them changed plates and now use a Trijicon. With no further issues. So, plates let you choose different red dots to try. I sent off my new backup gun to be millled just fpr the Trijicon, as no plate allows for deeper mounting screw engagement for that optic. The plate system is ok, but only few threads of screw engagement for the optic, so if my red Loctite did not hold well, then optic would loosen and then rattle and die, along with not being able to finish that stage well. “Permanent” Loctitie worked, can still remove it from plate since only few screw thread engaged, but dedicated milled slide for that optic will hold better (snug fit front to back) once I dedicate to that optic for my 2nd backup gun. Downside is that I now want to use the larger window Trijicon SRO perhaps which may not have the same mounting as the RMR, so milled slide may not work ,but plate system on other gun always provides options. Milled slide can be lower than plates, but that is less of an issue once you practice enough, as I don’t need iron sights now for reference.
  2. Remember, in Europe most pistols are produced to best handle NATO 9mm ammo, which is comparable to +P heavier power loads, thus heavy factory recoil springs. Especially for the powder puff loads I use!
  3. There’ still an internal drop safety with the striker block. Verify it does not release striker if dropped/hit with mallet if concerns. Walther has released a factory version including the expert trigger, not the Champion, but Q5 Expert. https://www.carl-walther.com/products/defense-guns/pistols/2840766.html. Likely only available in Europe, not sure if that affects USPSA ruling, but is on a factory model.
  4. I’ve got 3000 rounds through my SF without any more FTextract/eject jams since I tweaked my extractor. Still would like deeper mag guides. Had one jam on loading from slide lock other day in a match due to that, round was in spec and loaded fine on testing after.
  5. I ended up redrawing the plastic guides (thicker) and I'm having them printed. I should have them tomorrow. That should solve the wiggle problem... If that works, you have a new business, let us know.
  6. My mod list: -trigger bar polish on contact points -filed back trigger drop safety until clears frame with all trigger pulls, still functions with plenty of engagement -reduced recoil spring - SSGR with dimple hoe drilled, 13# flat wire Wilson 5” 1911 spring. Tried Sprinco dual spring system, white spring only works with reduced striker spring, great on recoil and dot stabilization, but still had some return to battery issues, so sticking with single spring system. -Sprinco reduced striker spring, helps return to battery with reduced recoil springs -Sprinco spring kit for PPQ. This and striker spring not in online catalog, but call and ask. Most important mod is the reduced striker block spring in this kit, takes all the grit out of the trigger pull. Also has reduced sear spring, I think. Challenge reassembling sear, optional mod for little gain. -Sear set screw mod - minor mod that decreases sear interface, slight reduction in sear travel and pull weight -Grip reduction at upper 1/4 to improve trigger reach for my hands. Take grip off gun and use curved file to thin it where your trigger finger goes, and thumb path to mag release. -Sight plate mounting screw protrudes into extractor recess, filed down to flush to avoid any interference with extractor. -Increased tension on extractor by putting slight curve to increase extractor tension, had noticed occasional (1 per150 rounds) double feeds with loose case in chamber, seemed to resolve after this tweak. Did this before noticing screw, however. -Barrel crowned -relieved angles on front of slide bar under breechface -Trijicon 3.25 dot -Taylor Freelance +6 basepads and springs
  7. Xav91, I'm having FTE as well, shows up every 100-150 rounds as double feed with empty case loose in the chamber. Have the same loose mags pushing to left, same witness mark on slide, but no noticeable mark on mags. Not clear to me how the slide interference would cause my double feed, but certainly can see that it could interfere with cycling forward, which is a critical step with this pistol needing to cock the striker spring at the end of forward movement. To try to fix the failures to extract before seeing your post, I increased tension on the extractor, noticed it was straight, while the same part on PPQ M2 had a little curve along the tail. Added a slight curve. No further issue seen in next 500 rounds. Testing tension by having extractor hold onto a round seemed to be fine before adjustment, however. Was just about to send it back to Walther. Looking at my CZ SP-01 Shadow Custom, would note it had various surfaces rounded down from factory by the custom shop to improve function. Looking the same place as the witness mark, both corners of that portion of the slide are ground down much more than you are showing from either the shop or usage. Only a slight amount of wiggle play in the CZ mags.
  8. Could you clarify what you mean by adjusting the drop safety? Doesn't the Springco Spring kit make the trigger more finicky? Even before spring kit, safety was engaging with any angle of finger on trigger, so reduced it's engagement on the frame. There's the back of the safety that hits the frame, I reduced the bottom that sits at a right angle or so to the back until it cleared. Still has plenty of engagement, but safety will clear with any good trigger pull now. Did you notch a little hole in your guide rod? Yes
  9. Sprinco spring kit eliminated grit from the striker block. Had to adjust trigger drop safety to function properly regardless of springs. Little polish on the trigger bar, now is about 3lb 12oz, fairly crisp. Changed to SSGR and 13# wilson 1911 spring to get the bounce out of the recoil, shooting 135 PF loads. Reduced trigger finger area of grip on either side to get a little more reach.. Now, gives my Shadow Custom SP-01 a real run for the money, kind of like the striker trigger better, and no DA/SA. Slo-Mo recoil no different between the two.
  10. If Walther offers this trigger factory installed, does that change the ruling?
  11. What else would you like to see in interactive dry fire stage? Timer? Ghost Runs? Library of USPSA classifiers? Enjoyed the dry fire ninja, works on ipad browser fine. Liked the inclusion of USPSA classifiers in the the times, would be a great resource to have the pictures of the targets for the classifier stages set up to scale. Could have the +/- adjust the whole stage size up and down to suit the user. I plan to run this off a projector to large screen. Love the mover! Could use the FF button to increase speed. Thanks for your contributions to our sport!
  12. I thought Hwansik on the podcast also said he was concentrating on just front to back pressure, and minimizing side to side to try to track vertically. Bob Vogel’s older grip video covers locking support wrist forward pretty well.
  13. Slide cuts look great! Undercut trigger guard, did you have beavertail undercut also?
  14. Update for me, had some recent occurrences even with my longer bullet seating, found that my extractor spring was worn and replaced it, also found a burr on the extractor edge that contacts the rim and smoothed that out. Now, my CZ feeds fine, even with shorter factory cartridges. Burr was found by running fingernail along the edge. Spring is cheap. I had been running the old spring under the mistaken theory that less pressure would let rounds slide up more easily, but I think it let them jiggle and occasionally jam. I also had looked at brass case length mentioned above, but longer cases did not seem to correlate with jams. For seating depth, load one every 5-10 thou up to maximum for mag (ex 1.169" for my gun with Xtreme 124gr RN) and slowly feed each to see what the sweet spot is.
  15. Long term fix to a problem is a valuable one!
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