Racinready300ex Posted September 16, 2022 Share Posted September 16, 2022 Just got my slide back from being machined for a optic. I happened to notice if I hold it up to a light, I can see light between the optic and the slide in the front but not the back. Should I be concerned? Link to comment Share on other sites More sharing options...
BRuss Posted September 16, 2022 Share Posted September 16, 2022 Are there also recoil bosses, or is it just supposed to be supported front/back? If there's bosses I wouldn't worry. Link to comment Share on other sites More sharing options...
Racinready300ex Posted September 16, 2022 Author Share Posted September 16, 2022 There should be. I didn't remove it to confirm. The company does claim to cut them with bosses and I can see a little spot where there is not light so I think that is accurate. Link to comment Share on other sites More sharing options...
Racinready300ex Posted September 16, 2022 Author Share Posted September 16, 2022 I should clarify, the light is under the optic. A little light gets through at the front and it tapers back to no light getting through in the rear. Link to comment Share on other sites More sharing options...
Nathanb Posted September 16, 2022 Share Posted September 16, 2022 For me it makes me leery. Slide ride optics die early deaths a lot and the lack of surface contact makes me uneasy. Puts more stress on the bosses as well as presents that stress at a different angle and uneven spread. did they mount the optic for you? How big are talking can you slide paper under it? Link to comment Share on other sites More sharing options...
Racinready300ex Posted September 16, 2022 Author Share Posted September 16, 2022 23 minutes ago, Nathanb said: For me it makes me leery. Slide ride optics die early deaths a lot and the lack of surface contact makes me uneasy. Puts more stress on the bosses as well as presents that stress at a different angle and uneven spread. did they mount the optic for you? How big are talking can you slide paper under it? They did mount it, can't get paper under it. My concerns were basically the same as yours, just not sure at what point it would be a issue. Link to comment Share on other sites More sharing options...
Boomstick303 Posted September 16, 2022 Share Posted September 16, 2022 Curious. With a milled slide I would suspect either the milling or the optic is not true. I am assuming you are not using an adapter plate. The only other thing I could see happening is the milling is not allowing the optic to sit flush? What I mean by this is the front "wall" of the milled area the front of the optic pressed against. Not the area under the optic. Most likely the front if that is where the gap is. Or are the bosses holding the optic up? I have seen gaps in adapter plates between the slide and the plate, but since the plate is held firmly in place from the manufacturers optic milled area I have not worried about a failure. I have also not experienced any failures with any of the plates I have used. I would be worried in this case, if the optic is not sitting flush from front to back damage may occur to the optic. Link to comment Share on other sites More sharing options...
Joe4d Posted September 16, 2022 Share Posted September 16, 2022 1 hour ago, Boomstick303 said: Curious. With a milled slide I would suspect either the milling or the optic is not true. I am assuming you are not using an adapter plate. The only other thing I could see happening is the milling is not allowing the optic to sit flush? What I mean by this is the front "wall" of the milled area the front of the optic pressed against. Not the area under the optic. Most likely the front if that is where the gap is. Or are the bosses holding the optic up? I have seen gaps in adapter plates between the slide and the plate, but since the plate is held firmly in place from the manufacturers optic milled area I have not worried about a failure. I have also not experienced any failures with any of the plates I have used. I would be worried in this case, if the optic is not sitting flush from front to back damage may occur to the optic. Sounds almost like something you would get with not true scope rings on a bolt gun.. GO clamping down on them and warp the scope. Maybe take off the opptic, and clean and dry everything. Could be something as simple as a hydraulic lock with a dab of oil in the boss holes. Or a slight bur somewhere. Link to comment Share on other sites More sharing options...
HesedTech Posted September 16, 2022 Share Posted September 16, 2022 4 hours ago, Racinready300ex said: I can see light between the optic and the slide in the front but not the back You didn't write who milled it for you, but the mill work should/must have lugs to fit into the optic holes. If they aren't there then yes this is a problem, but if they are as long as the optic bottom/base sits snug against the slide it should be okay. Remember if you purchase an adapter plate from EGW for the dove tail there isn't a front or rear edge for the optic to rest against, only the lugs. Also don't forget the cut is made to fit the type of optic mounted, Trijicon, Burris, ..., and often the optics vary in length while using the same lugs and mounting holes. Link to comment Share on other sites More sharing options...
Racinready300ex Posted September 16, 2022 Author Share Posted September 16, 2022 53 minutes ago, HesedTech said: You didn't write who milled it for you, but the mill work should/must have lugs to fit into the optic holes. If they aren't there then yes this is a problem, but if they are as long as the optic bottom/base sits snug against the slide it should be okay. Remember if you purchase an adapter plate from EGW for the dove tail there isn't a front or rear edge for the optic to rest against, only the lugs. Also don't forget the cut is made to fit the type of optic mounted, Trijicon, Burris, ..., and often the optics vary in length while using the same lugs and mounting holes. The bottom is where the space is. It tapers from front to back with a small amount of light in the front and none in the back. Link to comment Share on other sites More sharing options...
Racinready300ex Posted September 16, 2022 Author Share Posted September 16, 2022 1 hour ago, Joe4d said: Sounds almost like something you would get with not true scope rings on a bolt gun.. GO clamping down on them and warp the scope. Maybe take off the opptic, and clean and dry everything. Could be something as simple as a hydraulic lock with a dab of oil in the boss holes. Or a slight bur somewhere. I'm going to try that when I get home. Link to comment Share on other sites More sharing options...
HesedTech Posted September 17, 2022 Share Posted September 17, 2022 19 hours ago, Racinready300ex said: The bottom is where the space is. It tapers from front to back with a small amount of light in the front and none in the back. Not the best news, it should be milled flat. Take the optic off and use a straight edge, a perfectly straight one, and check the milled surface. Do the same to the bottom of the optic. Both should be flat, but if it's the optic it's a lot easier to replace than a slide. If it's the slide contact the shop. If all else fails you could use the old stand by fix; JB Weld to fill the gap . However, the milling job should have been perfect considering the quality of CNC tools these days. I hope the optic is your issue. Link to comment Share on other sites More sharing options...
jkrueger Posted September 22, 2022 Share Posted September 22, 2022 you could bed it with jb weld like a rifle scope but I would find out where the problem lies first and try to fix that, either the optic, the cut, or something between the 2. Take the optic off and make some observations Link to comment Share on other sites More sharing options...
pcar157 Posted September 22, 2022 Share Posted September 22, 2022 Why not call/send an email to the company that milled the slide and ask for their input? Seems like that would be the first option. Link to comment Share on other sites More sharing options...
Racinready300ex Posted September 22, 2022 Author Share Posted September 22, 2022 45 minutes ago, pcar157 said: Why not call/send an email to the company that milled the slide and ask for their input? Seems like that would be the first option. Actually that was my first move, and I posted here while awaiting a response to see what people thought. They said as long as it's tight and can be zeroed they're not concerned. They've seen issues with the optic body not being true, or even flexing when tightened down. Link to comment Share on other sites More sharing options...
Boomstick303 Posted September 22, 2022 Share Posted September 22, 2022 An electronic board lives in the bottom of that optic. Flexing the case with the violent moment of the action of a slide mounted optic would be worth taking a chance in my eyes. I cannot imagine flexing of the optic in any manner is acceptable, but its not my optic so.... Link to comment Share on other sites More sharing options...
CGoodwin Posted September 25, 2022 Share Posted September 25, 2022 I've had this issue with one shop I no longer use. I had them mill the slide and than I mounted the optic when I received it back. Guess what their response was... I sent the slide and the optic back to them and it came back mounted with the identical issue. When I asked they basically said I was acting stupidly and the set up was fine. I placed the SRO on a perfectly flat surface and it is absolutely true, sent pictures. The recoil bosses were cut badly and the pocket was a little too tight. A little file work and I got it worked out, but I will never use ZR Tactical again. Link to comment Share on other sites More sharing options...
WYgunner Posted October 8, 2022 Share Posted October 8, 2022 I have an S2 that I bought from a friend that was direct milled for a specific Trijicon SRO (exact optic). Holding it up to the light, you can see under the optic almost all the way across with the exception of the front, back, and center (where the screws are). The optic is fit so tightly into the slide that I usually have to tap it in with a plastic mallet. Funny enough, when I take the optic off for cleaning, the zero seems to remain unchanged. There are no recoil bosses and the optic is basically supported by the housing front to back. I am not sure how you could have recoil bosses on a standard S2 mill job as the SRO actually hangs over the sides and you can see into the recesses for the bosses. I have absolutely hammered on the gun and had no issues to date. Granted, the optic could die tomorrow... Link to comment Share on other sites More sharing options...
CGoodwin Posted October 9, 2022 Share Posted October 9, 2022 Have you all seen the Fire 4 Effect milling? Pretty impressive how low they can get with their proprietary method. Link to comment Share on other sites More sharing options...
mveto Posted October 10, 2022 Share Posted October 10, 2022 I had the RDS plate system from CZC milled onto a Bull shadow and there were areas where light would come through from between the slide and the plate, when the optic was mounted there was no light between the optic and plate however. I shot that gun for two years without a problem. I now have a S2 milled by F4E and there is no light at all and yes it is mounted very low. Link to comment Share on other sites More sharing options...
bravofox Posted December 26, 2022 Share Posted December 26, 2022 I would take the optic off and reinstall it to see if it was torqued down unevenly, that could cause your issue Link to comment Share on other sites More sharing options...
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