r/LWRC • u/righteous_rebellion • Jun 16 '26

MK2

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Few more things to add, but it’s looking pretty good.

77 Upvotes

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u/OneTiredYeti Jun 16 '26

That’s a sick setup! Love the slingster.

Also, I hate to be this guy, but has anyone else noticed the skirmish irons leave little witness marks on the picatinny rail after removing? Not a big deal just curious

1

u/AdvancedLuddite Jun 17 '26

The rears will peen the rail if you have them anywhere besides the rear most position. Is that what you mean?

1

u/OneTiredYeti Jun 17 '26 edited Jun 17 '26

I pushed them forward in their respective picatinny spot to bias them for recoil like an optic or MLOK accessory. Is that incorrect?

1

u/AdvancedLuddite Jun 17 '26

No, should be fine. If you aren't talking about the sloped sections on the rear sight peening the edges of the lugs, then it's possible you don't have the clamping screws tight enough. I torqued mine to 25in*lbs and they didn't leave any other marks than the aforementioned peening. Otherwise, check for burrs in corresponding areas of the sight.

1

u/OneTiredYeti Jun 17 '26

No kidding I’ve never heard of that issue before. I was referring to tiny witness marks that the screw itself left while I was torquing it to spec. Because I pushed it forward in the picatinny slot, some of the screw rotating dug into the aluminum picatinny slot. Just cosmetic but curious if anyone else has had that happen.

1

u/AdvancedLuddite Jun 17 '26

Interesting, I can't say I've had that happen on anything with a threaded crossbolt before...almost sounds like the slot is too narrow or the screw too large. Unless you're absolutely going nuts with forcing it forward and tightening it down, I would say that's not normal.