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Chutist

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    STI DVC Limited .40 - First Impressions

    in 1911-style Pistols

    Posted · Edited by Chutist

    I called STI last week to ask about OAL and the guy on the phone cited "SAMMI Spec". No comment on 1.180, when I asked about that he just said "SAMMI SPEC max OAL for .40 is 1.135".

    So I moved on to springs and he said "16 pound recoil spring and 19 pound main spring. " :excl: FWIW - I could hear him digging though papers looking for the answer to the questions. It wasn't real confidence inspiring... :surprise:

    I've read lots of posts here that said "STI RECOMMENDS 1.180 OAL" - I was surprised the guy was nothing but SAMMI spec in his replies. ;)

    I've got 5K small Rifle primers that I'm going to be using for reloading, so I'll be staying with the stock main spring (what ever it is.... :mellow: ) for now. :D

    You could try the the 17? I wouldn't "test" at a match but you could swap it for a range day and see how it goes?

    Newbie starting reloading

    in 10mm/40 Caliber

    Posted · Edited by Chutist

    There are a lot of us here loading for 2011 platforms so just reading the threads I can see how one might think 1.135 was min OAL. Actually the SAMMI spec is OAL of 1.085 to 1.135 OAL.

    http://www.saami.org/pubresources/cc_drawings/Pistol/40%20SandW.pdf

    Daft - I don't know what you're using for a press or dies but many here use the EGW U die with good success, rather than add the extra step of push thru sizing. Also make sure you have your current die going down as far as possible. A couple of "turns" down on the sizing die makes a big difference. ;) Also rather than pulling bullets and checking for damage for determining "crimp". You could use the measured bullet diameter plus 2 times the case wall thickness, should be close. :D

    Help me decide: Edge or Apeiro

    in 1911-style Pistols

    Posted · Edited by Chutist

    COK - I just went though this process a couple of months back. The Edge is "ok" but... the DVC (or CK Thunder) is really where you want to be.

    My DVC was just under $2500 new shipped to my FFL with 2 140mm mags. If you're going to shoot USPSA the DVC or one of the CK Arms guns is the way to go. ;)

    I've had to do some reload tuning (1.180 OAL) and minor gun tuning (polish extractor, 12lb recoil spring) to get my DVC 100%. I think the CK would be 100% out of the box.

    For me the "extra's" on the DVC - Hard Chrome, tool-less guide rod and 2 mags were just the ticket. I really struggled with the choice and I'm sure I'd have been happy with the CK as well.

    Powders to try for .40 major? Titegroup....

    in 10mm/40 Caliber

    Posted

    So is n320 pretty much the go to first choice for reloading 40 for major. Have heard many people recommend it.

    Part of what is "best" is going to be what you can FIND. ;)

    From what I've gathered there are quite a few powders that will work:

    Titegroup

    WST

    N320

    e3

    Ramshot

    Apparently not for the faint of heart but -> Clays

    STI DVC Limited .40 - First Impressions

    in 1911-style Pistols

    Posted

    It does change the "feel" of the gun. I think if you read some of the other threads on guys shooting USPSA Major with .40 out of an STI based gun that 12 pound recoil spring is a common choice.

    With the longer OAL and the 12 pound recoil spring the gun just felt "smooth" and came right back to my aim point when it cycled. For me, the heaver spring was much more abrupt when it cycled.

    It's all about having the gun just return naturally to your point of aim. :D

    So I've had my STI since September 2015 and I've run it in 8-9 matches so far and here's what I've learned:

    • I have to chamber check on my barrel as the case gauge I have (Dillon) says everything is "Ok" but I had a lot of FTF's - Since checking on the barrel, i've had zero FTF's. I run mixed brass and Zero JHP 180 GR with 4.9 VV320 at a length of 1.165"ish"
    • There still seemed to be something missing for me but that changed when I literally had a buddy suggest, and give me a 12 pound spring to try during our practice session this week. The difference was palpable! The gun rocked back into position into what I'd say was "right on time" vs. the stock spring that I was running. To Chutist point above, my gun seemed to smooth it's way back into place vs. "slamming home" like it had done. I have my first match this weekend so we'll see how well this helps.

    One of the nice things about the Tool-less Guide Rods is it's VERY easy to strip the pistol. I use the barrel as my check gage. I used to use a commercial Check Gage for my race gun just didn't trust it. The barrel is the best check in my opinion.

    Still waiting on my DVC which will hopefully be here in January. Ive been getting worried with all the reviews saying the gun likes longer hand loads. I currently shoot Speer lawman 180 grain because its what my dept uses and its free. Ive ordered three mbx magazines hoping a tuned mag will feed better. Don't want to have to buy a Dillon reloader after dropping this much coin on a pistol.

    I would still think of investing on a dillon. I have an STI DVC and I also get free 40 cal ammo at work but I only use it for practice and local matches. If you reload to barely making major, you will notice the difference and not want to shoot the duty stuff for any bigger matches.

    Sent from my SM-N910V using Tapatalk

    Totally agree, I get .40 at work too. But if you run that you're not going to get the best performance out of the DVC. ;)

    DVC 38 Super reviews?

    in Open Pistols

    Posted

    So got to fire it today with the 9# spring and the thumb rest (GoGun one). Definitely made the it shoot flatter. The issue now is that I'm getting about 90% FTEject. I'm using a shock buff to. Should I remove it?

    Did you remove it and go test again? I would expect it to run just fine with the 9 pound and no buffer...

    Powders to try for .40 major? Titegroup....

    in 10mm/40 Caliber

    Posted · Edited by Chutist

    Oh I have 8 POUNDS of WAP... but I figured it wasn't the right choice for .40 limited. If I ever go back to OPEN, I suspect it will work just fine for Major 9! :devil:

    I've got WST around, that's what I use for .45. If it works in the .40 too, I could just get a big keg and be set for a while... :cheers:

    I'd like to try N320 and Clays... If I ever see any for sale! ;)

    .45 in Limited

    in 1911-style Pistols

    Posted · Edited by Chutist

    Yes. It only takes a second to change a mag. With a 32 shot max for a stage and 18 round mags you will only need one reload per stage. There ia always a spot where you can reload without costing you extra time.

    Okay next time you are out for practice...set up two boxes. What's fair - 5 steps apart? Set up a drill where you can shoot one target run to the other box and shoot the second target. Do it with and without a reload between the boxes. Try it left to right and right to left. I think you are in for a surprise. :surprise:

    Nothing is "Free". :excl: Higher class shooters may see less impact but I'd bet even a GM would tell you there's some measurable difference. :D I believe this idea of a "free" reload just because you are moving too is a fallacy. It may have LESS impact that a standing reload but it's not without cost.

    I'm all for shooting whatever you want, :bow: but with full knowledge that those choices will impact your score. :cheers:

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