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S2, lighten slide or not?


tnoble
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Sending my new S2 off at the first of the week to have the slide cut for CO. Was just planning on the optic cut only but now I’m second guessing if I should have the slide lightened. I know I don’t have to since they increased the weight limit for CO. Pros cons either way?  
Thanks, T 

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Maybe IDPA once a year, not really my thing. 
as far a my level of shooting I typically run in the top 10  plus or minus overall at the locals. However I do not have any experience with CO. Can’t pickup the front sight as fast as I would like any longer so looking to make a switch.  The little bit that I have run the S2 I feel that it would be okay at full weight, maybe a little top heavy?    Just wanted to hear from the S2 guys if they felt there was an advantage on way or the other. 
Thanks, T

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I have both a lightened and a non lightened shadow 2 slide milled for CO. The  lightened slide feels snappier for me compared to the soft recoil of the non lightened slide. I use 124gn bullets at 130-135 pf. 
thank you,

Mark Santos

Edited by Stmark73
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The harbinger V1 &V2 is what got me second guessing having the slide lightened, looks good.
 

but as Stmark stated If lighten is noticeably snapper I would prefer the slower impulse feel of the heavier slide. 
 

Is one way harder on the optic taking a beating. More weight coming to a stop or Is snappier harder on the optic. Going to run the SRO. 

Thanks, T 

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4 hours ago, tnoble said:

but as Stmark stated If lighten is noticeably snapper I would prefer the slower impulse feel of the heavier slide. 
 

Is one way harder on the optic taking a beating. More weight coming to a stop or Is snappier harder on the optic. Going to run the SRO. 

Thanks, T 

 

A lightened slide is only 'snappier' if you use the same recoil spring.  You tune your gun and load together to see what reduces muzzle rise.

 

Consider that you will add weight with a plate and SRO.  The added weight will slow the slide speed.  So you lighten the slide to offset that weight.  Ideally the weight would be removed at the rear of the slide, if possible.

 

I currently have six slide mounted optics.  None has ever failed due to recoil.  The longest serving is on a 1911 45 (44,000 rounds).  If you have tuned your gun/load so the slide does not slam back at the end of the stroke your dot will be fine.

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Thanks for the input, seems like most are in favor or like the lightened slide. 
I can’t get it sent out until Tuesday morning so I still have a couple days to think it over.  I know I could send it back for additional milling after the optic cut but would like to send it once and pay once. Shouldn’t be this hard 
Those that had to have it done under the old rules would you do it now?

Thanks, T
 

 

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48 minutes ago, Darqusoull13 said:

No point in lightening it. You're just asking for a problem. 

 

I tend to agree there's no point really in lightening the slide now given the rules change on weight, but I don't know if you'll have a problem by lightening the slide (unless the lightening-cuts end up having you crack a slide prematurely, which I guess it could make more likely to happen). 

Thing is, IMO one of the CZ's built-in design advantages is their slides already have less-mass riding over the frame than most other designs and there really isn't a whole bunch of weight in the slide to lose, and seems like the trend is heading towards having an overall heavier gun. The thing about lightening-cuts too is they're permanent, whereas it might just be better to play around with recoil springs to change slide velocity that way and find what one likes. 

 

Most/all of the guys I've seen with dots on S2's didn't have the slides lightened to necessarily change how the gun feels, they just did it because they had to in order to make weight under the old rules.

Edited by ck1
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Personally, I wouldn't go with Primary Machine slide cuts but only do Cajun Gun Works, they do extensive research vs cosmetic look.  Talk to Scott at Cajun Gun works and he'll make it right! Also, it all boils down to personal preference, I'm using a 9lbs recoil spring and lightened slide by Cajun and its super flat but then again I load my own ammo which makes 130+ PF.  Lastly, doesn't matter if your slide is lightened or not, it boils down to "grip" control.  I prefer a lightened slide, faster slide cycle...  

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I started when slide milling was necessary. Both of mine are in low to mid 11s with SROs on. I still have one non-milled slide, just in case something possessed me to shoot Production again and it weighs 13.8 oz. 

Based what I see on sights and on timer, if I have to set another slide up, I would definitely have it lightened. 

Based on mine and reported experiences, I wouldn't put windows through the front serrations, and I would probably not touch the recoil spring tunnel. 

 

Edited by YVK
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Even our Harbinger V2 isn't "too light". 

We have a lot of Grand Master shooters running Harbinger V2 slides and placing top 3 at matches every weekend. Many refuse to go back to stock slides even with the weight restriction no longer a factor. With the correct ammo selections and recoil spring, many report they prefer the feel of the lighter slide and have seen faster split times on the shot timer. YMMV.

 

If you're worried, the V1 basically just puts the slide at stock weight with the optic added.

 

 

Edited by PrimaryBruce
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I have one of the of the PM V2 slides now, ~5k through it with a 11lb variable spring (pre rule change). I prefer heavier bullets with this slide. 

 

I have another one at PM right now for just he optic cut. once I have some rounds through it I'll give some feed back. 

 

One think to think about with CO is the durability of the optic you are using. With this variable there the slide weight takes on a different dynamic. Velocity is (and the resultant forces) what kills the current dots on the market (so far the SRO is appears to be the most durable). In addition increased velocity I think will make tracking the dot a bit more work, not sure yet but I'll update when I get the other slide back. 

 

BTW - If any one is unsure, the optic cut that primary machine does is absolutely the best non-plate pocket there is. I have optics on 5 guns from them and they are deep and tight. The plate systems out there are flexible for changing optics but plate systems in general have gaps that impart specific forces on the optic at the end of the reward stroke of the slide that induces vibration to the electronics. The milled pocket that PM does (maybe F4F but I do not have one) reduces these forces. 

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The most important is that the muzzle or sights return to target as fast as they can. 

Take the “FEEL out of the  equation, Will a lighter slide tuned properly return to zero quicker ?

If both a stock and lightened slide are tuned properly NOT identically which will return to zero faster ?

 

 

 

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