HOGRIDER Posted November 12, 2022 Share Posted November 12, 2022 6 minutes ago, echotango said: Switching back to a 13#. First shot on the 12 cracked my glass. I have cracked quite a few sights with a 12#. I have so many new springs(Sig 12#, Wolff 13# var, ISMI 12#, ISMI 12.5) I am going to put them for sale. I usually buy 3 or 6 at a time, lol. Thanks for your help. Wow! This in CO? What PF you running? Link to comment Share on other sites More sharing options...
echotango Posted November 12, 2022 Share Posted November 12, 2022 25 minutes ago, HOGRIDER said: Wow! This in CO? What PF you running? Yes, 130pf. Link to comment Share on other sites More sharing options...
Rich406 Posted November 12, 2022 Share Posted November 12, 2022 41 minutes ago, echotango said: Switching back to a 13#. First shot on the 12 cracked my glass. I have cracked quite a few sights with a 12#. I have so many new springs(Sig 12#, Wolff 13# var, ISMI 12#, ISMI 12.5) I am going to put them for sale. I usually buy 3 or 6 at a time, lol. Thanks for your help. ‘I’ve never cracked the glass on a sight from just shooting. Tens of thousands of rounds with a 12lb spring. Are you sure this wasn’t just a coincidence? Link to comment Share on other sites More sharing options...
echotango Posted November 12, 2022 Share Posted November 12, 2022 23 minutes ago, Rich406 said: ‘I’ve never cracked the glass on a sight from just shooting. Tens of thousands of rounds with a 12lb spring. Are you sure this wasn’t just a coincidence? Not sure. Have prob 15k with a 13 and no issue. I've cracked about 5 3XL's using 12's. Link to comment Share on other sites More sharing options...
Rich406 Posted November 12, 2022 Share Posted November 12, 2022 18 minutes ago, echotango said: Not sure. Have prob 15k with a 13 and no issue. I've cracked about 5 3XL's using 12's. Interesting. Never had or heard of anyone having that problem Link to comment Share on other sites More sharing options...
ddc Posted November 12, 2022 Share Posted November 12, 2022 1 hour ago, echotango said: Not sure. Have prob 15k with a 13 and no issue. I've cracked about 5 3XL's using 12's. hmmmmm.... I'm starting to be a little concerned with the Romeo 3 series after hearing this. I've had to send two Romeo 3 Max back due to cracked glass. In each case the glass was cracked across the base. These were both on X5's with 13 pound springs. Ammo was 124 FMJ at around 130 PF. Link to comment Share on other sites More sharing options...
HOGRIDER Posted November 12, 2022 Share Posted November 12, 2022 2 hours ago, echotango said: Not sure. Have prob 15k with a 13 and no issue. I've cracked about 5 3XL's using 12's. 1 hour ago, ddc said: hmmmmm.... I'm starting to be a little concerned with the Romeo 3 series after hearing this. I've had to send two Romeo 3 Max back due to cracked glass. In each case the glass was cracked across the base. These were both on X5's with 13 pound springs. Ammo was 124 FMJ at around 130 PF. @echotango @ddc This has seriously sparked my interest since I'm using the P320 MAX and probably don't have a lot of rounds on it yet. And it's been working fine with the 12# spring; even with some 136+ test loads. First thing that comes to mind is what are the torque specs for the mounting screws? IIRC, I had read that at one time Sig recommended somewhere around 30 in/lbs for the tightening torque. And IMO, that seems way too high! But I've not had to check the screws on the MAX as it came pre-mounted......... The SRO and 2 Holosuns I have all recommend 15 in/lbs..... Thanks! Link to comment Share on other sites More sharing options...
echotango Posted November 12, 2022 Share Posted November 12, 2022 (edited) Never checked the torque specs. Ran them on my open guns and CO guns. Hand tight with a drop of blue loctite. I have 5 of them. Only time I've ever had an issue with the glass was on my co guns when running a 12#. Friend bought a max and ran the 12# and cracked it within 500 rnds. Other buddy running a 14, no issues. Same with my wife's max. 12, crack. 13, good to go. Not scientific, but...... Edited November 12, 2022 by echotango Link to comment Share on other sites More sharing options...
HOGRIDER Posted November 12, 2022 Share Posted November 12, 2022 56 minutes ago, echotango said: Never checked the torque specs. Ran them on my open guns and CO guns. Hand tight with a drop of blue loctite. I have 5 of them. Only time I've ever had an issue with the glass was on my co guns when running a 12#. Friend bought a max and ran the 12# and cracked it within 500 rnds. Other buddy running a 14, no issues. Same with my wife's max. 12, crack. 13, good to go. Not scientific, but...... Wow! Definitely an unusual situation......... We're all these rc springs you refer to the 6"/1911 lengths? Or the full length Sig spec? Link to comment Share on other sites More sharing options...
echotango Posted November 12, 2022 Share Posted November 12, 2022 (edited) 9 minutes ago, HOGRIDER said: Wow! Definitely an unusual situation......... We're all these rc springs you refer to the 6"/1911 lengths? Or the full length Sig spec? Factory Sig 12#, ISMI X5 12#(same length as factory), Sprinco 12#(longer than most 1911). All long springs. Edited November 12, 2022 by echotango Link to comment Share on other sites More sharing options...
HOGRIDER Posted November 12, 2022 Share Posted November 12, 2022 1 hour ago, echotango said: Factory Sig 12#, ISMI X5 12#(same length as factory), Sprinco 12#(longer than most 1911). All long springs. SMH........... @ddc @echotango Has Sig CS offered any insight into what might be going on? Link to comment Share on other sites More sharing options...
echotango Posted November 12, 2022 Share Posted November 12, 2022 They said it happens. Their customer service is the best. It happened on my 2 Legions and 3 Max's. Link to comment Share on other sites More sharing options...
HOGRIDER Posted November 12, 2022 Share Posted November 12, 2022 5 minutes ago, echotango said: They said it happens. Their customer service is the best. It happened on my 2 Legions and 3 Max's. Guess it's just a matter of time on my MAX...... Thanks for your feedback! Link to comment Share on other sites More sharing options...
ddc Posted November 12, 2022 Share Posted November 12, 2022 2 hours ago, HOGRIDER said: Wow! Definitely an unusual situation......... We're all these rc springs you refer to the 6"/1911 lengths? Or the full length Sig spec? Taylor Tactical springs from BSPS. Sold as "1911/2011/P320 recoil springs". I don't know about torque. Cinched them down about as tight as I was comfortable. JB Weld Blue Perma-Lock. I've since moved to 14#. We will see. As @echotangohas indicated Sig CS has been very responsive. Love the sight. Link to comment Share on other sites More sharing options...
HOGRIDER Posted November 13, 2022 Share Posted November 13, 2022 54 minutes ago, ddc said: Taylor Tactical springs from BSPS. Sold as "1911/2011/P320 recoil springs". I don't know about torque. Cinched them down about as tight as I was comfortable. JB Weld Blue Perma-Lock. I've since moved to 14#. We will see. As @echotangohas indicated Sig CS has been very responsive. Love the sight. Thanks! Link to comment Share on other sites More sharing options...
Cuz Posted July 6 Share Posted July 6 Ok, I know this thread is a couple of years old, but I'm hoping for an update. I'm running a P320Max, and my standard load (4.0gr TiteGroup with 124gr JHP projectile) chrono's at 134 PF in the gun. I ran about 100 rounds with the 12 lb spring and had no issues. I've run another 300 rounds with the 14 lb spring and also have no issues. The brass just doesn't eject as far with the 14lb spring. I was going to drop back down to the 12 lb just to make sure the gun cycles more reliably, but then some of you are cracking optic glass, which has me concerned. Now I'm thinking the ISMI X5 13 lb spring may split the difference and work well. I'm curious what recoil spring you are using in your X5 Legion/Max, and what bullet weight and PF you are shooting through it? Thanks, Cuz Link to comment Share on other sites More sharing options...
Vizorn Posted July 7 Share Posted July 7 For 125 JHP at 132 PF, I run a 12.5 lb ISMI 1911 spring in my Legion. With the 14 lb, I get optic strikes as the slide cycles before the ejecting brass clears. Link to comment Share on other sites More sharing options...
KindredGhost Posted July 11 Share Posted July 11 On 7/6/2024 at 7:52 PM, Vizorn said: For 125 JHP at 132 PF, I run a 12.5 lb ISMI 1911 spring in my Legion. With the 14 lb, I get optic strikes as the slide cycles before the ejecting brass clears. Is it possible a heavier projectile, specifically 135gr, will help with this issue? KG Link to comment Share on other sites More sharing options...
Vizorn Posted July 11 Share Posted July 11 6 hours ago, KindredGhost said: Is it possible a heavier projectile, specifically 135gr, will help with this issue? KG I haven’t tried it as I shoot CMP Action Pistol. Slower projectiles are not optimal for the snap turning targets and would push the point of aim on the moving target event off the leading edge of the target at the 25 yard line. Link to comment Share on other sites More sharing options...
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