After a few months of deliberation over 7.62 platforms, I went ahead and ordered a SCAR17. I’ve been reading about how the rifle breaks optics, but it all seems like second-hand info (hearsay). Has this actually happened to anyone here? How long did it take? What type of optic are you using? Are there certain brands that don’t have an issue on the 17?
I’ve seen a document from Crane that the SCARs weren’t to be user with certain optics but I can’t find it again.
No issues. I’ve had a Leupold illuminated Vari-X III with German #4 reticle mounted in a Larue LT104 since day one with zero issues. It’s been run through a couple of carbine courses (though I did limited firing at one of them as the AI) and has around 3K rounds through it total.
Stephen
No issues. That said I’ve been using an H1 (well, actually an R1) so I wouldn’t expect any. It’s been through a couple classes/clinics, but probably only about 1000-1100 rounds total.
They were probably running crap plastic like Bushnell and BSA…Hell maybe even a Tasco…
Yeah, I doubt a quality optic from Aimpoint or Trijicon will give you any issues.
They eat EoThingys like popcorn.
I have had an ACOG on one for two years, and fired around 5k rounds through it with no trouble.
What exactly does the SCAR do to these optics?
They won’t hurt an ACOG, but they’re hard on electronics.
Does a SCAR cause more problems than other similar .308 rifles? What is it about the SCAR that’s rough on electronics.
I ask because I am heading to a Costa 7.62 Heavy class in FL next month as was thinking about an Aimpoint or Eotech with magnifier.
I’ve read that as well, but I haven’t seen any first hand accounts of it happening. Have you broken any electronics or optics on a SCAR? Do you have a link to reports of someone who has?
Not trying to be a dick about it, I just want to chase this down and find someone who has had it happen.
The issue definitely exists in military guns, and not with BS optics. I have yet to see a report from the non-Mil side. I have no idea why.
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From what I understand the EOTech XPS/EXPS is the only series the military deemed able to handle it regularly.
My groups opened up more than enough to notice and (over time and 1,900 rounds) I saw a 1 MOA change in the elevation setting with my standard surplus load. (Zero Stop went from -1.5 to -2.5 MOA.)
I switched out the LT-104 to a ADM Delta mount and those issues appear to have been no BS fixed. Optic is a NF with no indications of any problems - now at 2,400+ rounds on the SCAR 17.
I assume you mean within the EoTech line, because if you don’t, I highly disagree.
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Maybe it’s because of full-auto usage?
I would guess that most civilian shooters can’t afford to dump large enough amounts of 7.62 to see any meaningful trends emerge. Military shooters have unlimited ammunition and the benefit of full auto.
I have a little over 3k through mine now, with a T1 in larue mount. So far so good, despite the rail slots being a little dinged up. This is despite pushing it up and keeping the lever tight.
I wonder if a strip or three of Teflon tape would help take up the slack on the rail slots.
Seen too many EoTechs fail on 556 cal ARs to blame those failures on the SCAR.
I think the suspicion is is that the SCAR’s heavy* bolt carrier is knocking stuff loose inside the failing optics.
H
*1lb, 2oz.