McHaggis

Hey Miranda. Thanks for your reply. GAMountians. Thanks for posting what issues you’re actually having. If that was me having those issues I’m sure I’d think it was junk too. However… Most times there’s issue like you’re talking about it’s either caused by adjustment not being 100% correct or alignment issues caused by a stack up of machining tolerances with put things in slightly the wrong place. I know next to nothing about the X10 which is why I’m looking around for posts of reloaders experiences to gauge if this press is worth considering as I see it’s currently on sale with a free bullet collator, which makes it even more attractive. I currently run a LnL AP with I’ve got running great but it took a bit of playing with and a few mods but now the only annoyance is the raining brass from the collator, which I’ve almost conquered, yet most people say this press is junk too, simply because they’ve never used one and simply repeat what they’ve heard, or they never set up the one they used correctly. I’m happy with mine but I simply want more stations which is why the X10 is on my radar. Id love to hear from anyone else that’s had good, average or bad luck with this press.

Really useful post this without any explanation. I’m not saying you’re necessarily wrong but do you care to share the issues you’ve encountered to form this opinion? Most times I hear this type of comment is when the user has not set it up and adjusted correctly.

Barrel looks like the chamber is centred but there is the odd score mark and what looks like pitting around the mid point. But with the teslong image viewed on my iPad everything is magnified and even the smallest of mark looks huge. This barrel has probably less than 2500 rounds down it so it’s still pretty new. I’ve got a few rounds loaded with what seemed promising during testing and have them at 4 different OAL to see if there’s any noticeable difference. Just need to find time to go test during the week when it quite at the range. I’ll report back once I’ve tried this lot. Thanks for all the ideas and suggestions to date.

@AHI So pull them back by 0.005” at a time and shoot for groups? I shall try that with a few loads to see if I can get better results. I’m really beginning to thinking this CZ is a dud as I borrowed a Tangflo Stock ll extreme and shot way better with factory Geco 124RN factory loads. My CZ shot ok with the same but not nearly as good. Maybe I’ve just lucked out and ended up with a s#!tty barrel.

Yes I was shooting mixed brass this time. The previous testing session was all done with the same head stamp (Geco) and I even weight sorted the cases. This session too produced pretty crappy groups @ 10yrds. All loads were thrown on the V3 autotrickler to 0.02grs. A heavy sand bag was used. The barrel to stock bushing fit is fairly tight. Not as tight as cajun ones but there really isn't enough movement to cause these groups. Especially left to right. It does seem the heavier projectiles work better. I was using 145gr LRN with 2.8gr APS350 and they seemed OK. I changed because components are in short supply here too. I usually go 0.015" back from just touching the lands. I can not find any burn speed data which included the ADI powders that are common here. I have the following I can play around with. W231 (these next ones are all ADI) APS350, APS450, AP50N, AP70N. (from fastest to slowest). W231 seems to fall somewhere between AP50N & AP70. I'll check my results tonight to clarify. The 125gr LCN I was trying needed to be 1.093" OAL to clear by 0.015". The Geco FMJ RN have a longish taper and I can't get them out far enough and still have a decent amount in the case. I'm talking somewhere around 1/8" and still not touching. I loaded these to 1.150" There was the odd group with these that seemed worth playing with. Long as you can? Closer than 0.015" Just asking to clarify. EDIT: W231 is a bit slower than AP50N. With the 124gr Geco FMJ 4.0gr W231 averaged 1004fps where as AP50N averaged 1074 with the same weight. APS450 averaged 982fps with only 3.6gr. I’m going to try more of this as these are too slow. Groups at 3.6gr were 2.5” high by 1” wide. Maybe they will tighten up with speed? Don’t know if I don’t try but it doesn’t look promising.

@SargeSo what increments should I try? Rifle I use 0.003" Any suggestions in powder reduction when I reduce the OAL? I was going to start bringing them down from 1.150" to 1.125" or even less to see what the resulting groups look like. @FarmerI used a big Caldwell sand bag to help stabilize it. Off hand is just as bad which is why I'm trying to sort this. I thought it was my technique but I figured even I wasn't that bad of a shot. Seems it wasn't all me after all. I also have a Magnetospeed hanging off the end of it during these load tests.

I know that reducing the OAL will increase pressure etc but does this have any effect on accuracy? I know it does in long range rifle shooting but the ranges we normally shoot pistol I just can't see it'll have much effect if any. But I need to try something.... Why you ask? Shadow 2, 125gr coated lead conical with anything behind it, running around 125-133PF the accuracy at 8yds is nasty. 2" is typical. Going to give up on these as they just don't shoot in this CZ. OAL is 1.093" I've also tried 124gr Geco RN FMJ and they are much better but still average. 1" + at 8yrds with 4.1gr W231 1.15" OAL. I've also tried ADI ASP450 & AP50N behind these but these 2 generate worse groups. I'm going to try a faster powder (APS350) and see how that goes but based on the faster powders I doubt it will be better but it works well behomg a LRN 145gr @ 127PF All shooting is done over a sand bag rest. Yes I'm fairly new to this CZ. Been shooting it for about 16 months. Any experience with changing seating depth and any noticed effect on group size? Really looking for any ideas here at all.

Yes I saw that but it seems only Pistol and Shotgun powders are affected. Still it’s a complete pain in the ass as ADI powders are typically the more commonly available powders here. But at the end of the day Primers are going to stop me loading long before powder.

Yes. Sadly we have a Prime Minister that is hell bent on driving us to ruin. The lefty’s have just started and the future looks bleak at best. The AP50N is in that burn rate I think. I can’t find a current chart that lists all the new powders and most charts don’t list the ADI powder at all.

Powder here is also very hard to get. I’ve read many posts advocating the use of w231 in a 9mm so I got some as it was briefly available. I’m expecting better results with the AP50, as it’s a little quicker, so it should give better results but that’s why we test. I’d prefer Sports Pistol but it’s almost as rare the common sense is in the Biden administration and I have never seen it here. Here, being the bottom of New Zealand.

This is what I normally do and hence why 95% of them fit. But it looks like I’m right at the lands so there’s little room for margin. I might just shoot these and load a few at 1.115” with 2.80gr and crono them to see how they look and go from there. Could this be the reason why when shooting a group at 15 yards l can get 9 in a 2.5” group but 1 is 6-8” low?

I have the files if you’re still looking for them.

I am going to change powders and have 3 I’m looking at sorting loads for. I was never real happy with this load but it has shot fine. I’m going to try ADI AP50, AP70 and W231 all with 125gr coated lead. Just waiting on a magnetospeed v rail adapter so I can shoot them. And also waiting to get the cast off my foot so I can walk!

Current OAL is 1.128”. I have about 80 loaded and almost all pass the plunk test. The odd one doesn’t. I’m using a 145gr coated lead RN in a CZ S2 with 2.84gr APS350. This is a fast powder and the load is around 128PF. The load was worked up and I’ve shot off over 1000rds with no problems. It might just pay to leave them as is as I know they are fine as it. Load development when up to 2.9gr with no pressure signs.

Long story so the briefest version is I need to seat a loaded lot of rounds that’s near max about 10 to 15 thou deeper to keep away from the lands. I figure it’ll make little difference but I’m asking you guys to be sure.