firerain Posted May 14, 2020 Share Posted May 14, 2020 Does anyone try to contact SIG and see if they can replace the existing legion slide with a new one with RMR holes? Would be great if that's possible. This looks like a nice improvement to install SRO. But I can't justify the price to buy a new slide just for that. Link to comment Share on other sites More sharing options...
BobRockefeller Posted May 14, 2020 Share Posted May 14, 2020 5 hours ago, Boomstick303 said: How snug was the fit of the SRO into the mounting cutout? If the optic is not snug against the front and back of the cutout I would have some concerns if only the screws were taking the brunt of the blow as the slide actuates. This continue to be my concern and I have seen anything definitive to convince me either way. Link to comment Share on other sites More sharing options...
Boomstick303 Posted May 14, 2020 Share Posted May 14, 2020 1 hour ago, firerain said: Does anyone try to contact SIG and see if they can replace the existing legion slide with a new one with RMR holes? Would be great if that's possible. This looks like a nice improvement to install SRO. But I can't justify the price to buy a new slide just for that. Could never hurt to contact them. I knew someone that was trying to change out their LCI barrel for a non LCI barrel, and they ended up just sending him the LCI Barrel, where he had to do nothing. He didn't send the barrel or anything. My gut tells me they would not trade or just hand out slides though. You never know till you ask. On another note, it is crazy to me that Sig created a direct mounting option for the SRO/RMR and Holosuns, but have yet to create a direct mounting option for the Sig Romero 3 Max, or XL. Link to comment Share on other sites More sharing options...
s2000red Posted May 14, 2020 Share Posted May 14, 2020 8 hours ago, Boomstick303 said: How snug was the fit of the SRO into the mounting cutout? If the optic is not snug against the front and back of the cutout I would have some concerns if only the screws were taking the brunt of the blow as the slide actuates. My legion has a build date of February 2020. It has the cutout for SRO and no LCI. The SRO is not a snug fit on mine. There is a gap both front and back. I chose to mount it with a Springer Precision plate. Really only reason was I have another non-Legion X5 with SRO mounted on a plate, so now they match. Link to comment Share on other sites More sharing options...
jcm Posted May 15, 2020 Share Posted May 15, 2020 On 5/6/2020 at 1:53 PM, alien_pickles said: I can't speak to when this was manufactured since I purchased it second-hand, but it arrived today and has all these holes. So... I'm guessing they are now compatible with more stuff? So a Trijicon SRO should mount direct to this slide without the need for an adapter plate? (I have the same hole pattern. MFG date 27 February 2020) Link to comment Share on other sites More sharing options...
BigAm Posted May 15, 2020 Share Posted May 15, 2020 On 5/13/2020 at 7:15 PM, Rich406 said: 6-40 screws fit, the trijicon screws are 6-32. Had to take a slide to the hardware store to,figure it out. Thank you! Sending along to him! Appreciate it! Link to comment Share on other sites More sharing options...
Boomstick303 Posted May 15, 2020 Share Posted May 15, 2020 38 minutes ago, jcm said: So a Trijicon SRO should mount direct to this slide without the need for an adapter plate? (I have the same hole pattern. MFG date 27 February 2020) From previous posts in the thread it looks like that slide is machined to accept the SRO/RMR and Holosuns (since Holosuns have the same footprint as SRO/RMRS, if my memory serves me correct). Something I mentioned before in this thread, is that if that optic does not fit snug in the cutout only the screws used to mount the optic are taking the brunt of the shearing force as the slide reciprocates. Every adapter plate I have used has tabs that index the optic and share that shearing force with the screws. Something to keep in mind. Link to comment Share on other sites More sharing options...
mxj23 Posted May 15, 2020 Share Posted May 15, 2020 12 hours ago, Boomstick303 said: How snug was the fit of the SRO into the mounting cutout? If the optic is not snug against the front and back of the cutout I would have some concerns if only the screws were taking the brunt of the blow as the slide actuates. There is gap at the front and back of the optic, so the screws are all thats holding it. Its feels solid and held zero but I only fired a small number of rounds with it mounted this way. I definitely feel more comfortable using the optic plate but wanted to give it a try since it's lower to the slide. I'm planning on changing optics and using springer plate. Link to comment Share on other sites More sharing options...
jcm Posted May 15, 2020 Share Posted May 15, 2020 21 minutes ago, Boomstick303 said: From previous posts in the thread it looks like that slide is machined to accept the SRO... Something I mentioned before in this thread, is that if that optic does not fit snug in the cutout only the screws used to mount the optic are taking the brunt of the shearing force as the slide reciprocates. Every adapter plate I have used has tabs that index the optic and share that shearing force with the screws. Something to keep in mind. Thank you for clarifying! I feel the the same way about the optic not fitting snug. I will definitely be getting an adapter plate for mine! Link to comment Share on other sites More sharing options...
alien_pickles Posted May 15, 2020 Author Share Posted May 15, 2020 On 5/7/2020 at 8:53 AM, OhioLefty said: Looks like you got the newer revised mounting holes. Just FYI, if you got the original case with your X5, the manufacture date is in small print on a sticker at one end of the case. Ooooh, thanks, I never even thought to look there. February 13, 2020 Link to comment Share on other sites More sharing options...
Manwithnoname Posted May 17, 2020 Share Posted May 17, 2020 For those of you concerned about the gap when mounting the rmr or sro, Chpws made a filler plate with legs to support the rmr footprint. I was concerned just screws wouldn’t hold. Looks like I’ll get a legion and sro to try out now. Go to 1:30 for the plate info. http://www.chpws.com/product/sig-p320-w-r1p-dpp-cut-w-rmr-holosun-holes-filler-plate-for-rmr-sro-holosun Link to comment Share on other sites More sharing options...
Manwithnoname Posted May 17, 2020 Share Posted May 17, 2020 13 minutes ago, Manwithnoname said: For those of you concerned about the gap when mounting the rmr or sro, Chpws made a filler plate with legs to support the rmr footprint. I was concerned just screws wouldn’t hold. Looks like I’ll get a legion and sro to try out now. Go to 1:30 for the plate info. http://www.chpws.com/product/sig-p320-w-r1p-dpp-cut-w-rmr-holosun-holes-filler-plate-for-rmr-sro-holosun It looks like I was wrong. Below is the correct plate. http://www.chpws.com/product/sig-p320-x-five-legion-rmr-sro-holosun-407-507-508-adapter-plate Link to comment Share on other sites More sharing options...
Michael303 Posted May 19, 2020 Share Posted May 19, 2020 On 5/16/2020 at 9:18 PM, Manwithnoname said: It looks like I was wrong. Below is the correct plate. I have both of those plates. Your first link was correct if it has the RMR holes. The second plate is a bit more robust though. Link to comment Share on other sites More sharing options...
terrydoc Posted May 20, 2020 Share Posted May 20, 2020 On 5/14/2020 at 7:31 AM, Boomstick303 said: Someone owns a lot of X5 slides. No there's only 1 in the pic, not mine it came from one of the many Sig pages on FB Link to comment Share on other sites More sharing options...
Paul089 Posted June 9, 2021 Share Posted June 9, 2021 On 4/27/2020 at 8:41 PM, terrydoc said: Apparently X5 Legions made from about last week in Feb have the RMR mounting holes drilled, so you maybe in luck for a Holosun as they have the same mounting as RMR. Well, the pattern on my X5 looks totally different. Can anybody identify it and tell me what optics fit on my gun please? Link to comment Share on other sites More sharing options...
Boomstick303 Posted June 9, 2021 Share Posted June 9, 2021 1 hour ago, Paul089 said: Well, the pattern on my X5 looks totally different. Can anybody identify it and tell me what optics fit on my gun please? I believe that is a question for Sig. Unless you bought a used gun (or slide) to where someone had the slide milled, and/or modified for a different optic. Those patterns do no look familiar to any of the X5, X5 Legion slides I own (5 total). Link to comment Share on other sites More sharing options...
Rich406 Posted June 10, 2021 Share Posted June 10, 2021 6 hours ago, Paul089 said: Well, the pattern on my X5 looks totally different. Can anybody identify it and tell me what optics fit on my gun please? That’s an original X5 slide. Only the Romeo1 fits. Everything else needs a plate. Link to comment Share on other sites More sharing options...
Paul089 Posted June 10, 2021 Share Posted June 10, 2021 Thanks buddy! Link to comment Share on other sites More sharing options...
Jsjac Posted November 24, 2021 Share Posted November 24, 2021 On 4/27/2020 at 2:41 PM, terrydoc said: Apparently X5 Legions made from about last week in Feb have the RMR mounting holes drilled, so you maybe in luck for a Holosun as they have the same mounting as RMR. On the slide with the holes drilled and tapped for the RMR, what is the thread? I tried the screws that came with the SRO but the threads are not the same. Any help with this would be great. Thank you in advance Jeff Link to comment Share on other sites More sharing options...
terrydoc Posted November 25, 2021 Share Posted November 25, 2021 On 4/28/2020 at 4:14 AM, alien_pickles said: Thanks for the clarification! I didn't realize there was a difference in the mounts between the regular and the Pro! I'm hearing good things about the vortex venom warranty. Reliability is my main concern In regards to warranty its when you will need to use it NOT if you need to use it. Just the nature of the beast regardless of who manufactures them. Link to comment Share on other sites More sharing options...
gmantwo Posted January 25, 2023 Share Posted January 25, 2023 My x5 has 6 holes in the sight cut, looks nothing like those Link to comment Share on other sites More sharing options...
Rich406 Posted January 25, 2023 Share Posted January 25, 2023 28 minutes ago, gmantwo said: My x5 has 6 holes in the sight cut, looks nothing like those That’s pretty much the standard footprint these days. It will direct mount a romeo1 pro, dpp or any sight with a trijicon footprint. Link to comment Share on other sites More sharing options...
gmantwo Posted January 25, 2023 Share Posted January 25, 2023 My Burris Fastfire 4 lines up as far as mounting holes, but it overhangs the rear ledge a bit Link to comment Share on other sites More sharing options...
terrydoc Posted January 26, 2023 Share Posted January 26, 2023 That's the difference between footprint and fit, the holes might be ok BUT the body doesn't fit Link to comment Share on other sites More sharing options...
gmantwo Posted January 27, 2023 Share Posted January 27, 2023 On 1/25/2023 at 9:20 PM, terrydoc said: That's the difference between footprint and fit, the holes might be ok BUT the body doesn't fit Right. Gotta decide if this is going to be a dedicated optic slide. If so I’ll just mill the slide to match the rear of the dot Link to comment Share on other sites More sharing options...
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