Hooked Posted February 15, 2018 Share Posted February 15, 2018 Hi all, Just got my Henning mount for my S2 and Deltapoint Pro. Was running a 13# spring with my 130pf loads and open sights but need to go with a lighter spring for the red dot. I was able to find a 10# spring and the gun cycles fine now, but the brass doesn’t eject more than 2-3 feet. Anyone running a similar set up, and if so, what weight of spring are you using? Thanks! Link to comment Share on other sites More sharing options...
dansedgli Posted February 15, 2018 Share Posted February 15, 2018 Im using an 11lb recoil and it ejects quite strongly still. 132pf. Dpp on a cz custom mount. https://youtu.be/A_QYMnXDqfU Link to comment Share on other sites More sharing options...
magpulled Posted February 16, 2018 Share Posted February 16, 2018 11lb is what I would try. 10 is probably a little light. Link to comment Share on other sites More sharing options...
Slowmisses Posted April 30, 2019 Share Posted April 30, 2019 I am now running Shadow 2 OR with DPP on a original CZ mount. Currently using 13lb recoil spring and shooting Bulk Factory ammunition (Geco or Sellier&Bellot). How do I know if a lighter spring would help with recoil? Putting the DPP on top increased the recoil noticeably. Link to comment Share on other sites More sharing options...
Slowmisses Posted May 28, 2019 Share Posted May 28, 2019 On 4/30/2019 at 11:51 AM, Slowmisses said: I am now running Shadow 2 OR with DPP on a original CZ mount. Currently using 13lb recoil spring and shooting Bulk Factory ammunition (Geco or Sellier&Bellot). How do I know if a lighter spring would help with recoil? Putting the DPP on top increased the recoil noticeably. Someone must know what to use with factory ammo? Link to comment Share on other sites More sharing options...
igolfat8 Posted July 3, 2019 Share Posted July 3, 2019 Have someone video you in slow mo then watch the muzzle as the slide goes into battery. If the muzzle dips or nose dives the spring is to heavy. If muzzle (sights or dot) finishes above POA then go lighter. Ideally you want a spring that will return sights exactly to POA. Link to comment Share on other sites More sharing options...
iBRKarma Posted September 8, 2019 Share Posted September 8, 2019 I've been using an 11lb recoil spring for 3k-ish rounds in my S2 and it seems to be the sweet spot for me with 128-30pf loads 135gr. Also what I've heard from fellow CZ carry optics shooters. Link to comment Share on other sites More sharing options...
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