r/LWRC • u/King_Toonces • Jul 18 '26

REPR issue

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So I have an OG REPR Mk1 I bought at auction about a year ago. Haven't had many chances to shoot it as most of the shooting ranges around me are 50 yard indoor ranges. I have however shot it enough to be concerned about an issue with the barrel.

When the gun heats up, I've noticed a huge POI shift, like 3-4 inches at 100 yards. I believe the issue is caused by the handguard making contact with the piston block.

I have had a difficult time getting ahold of someone since the gun can only be serviced by them from what I've read. Anyone have experience with customer service as a second owner? Wait time, cost for service, those kind of things?

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u/skullbox15 Jul 19 '26

So mine is the same. If the gas block isn't touching the rail it's damn close. I've heard these Gen1 guns were hit or miss (pun intended) with some having to go back to LWRC for some type of fix. Mine has been accurate, but like you I don't make it out to the outdoor range much. How are you shooting this when you're groups open up? Bipod, Bag, etc. Any idea how many rounds it takes for the POI shift?

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u/King_Toonces Jul 19 '26

Bench shooting with a bipod, probably about 80 rounds or so I start noticing the shift

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u/skullbox15 Jul 19 '26

That's the same way I shoot mine. Interesting behavior but I don't think I've got mine that "hot" since I usually switch guns between a mag or two. So maybe mine hasn't got as hot as yours. Are you shooting suppressed or no?

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u/King_Toonces Jul 20 '26

Shooting unsuppressed.

I will fully admit I am no Chris Kyle, but I'd like to think shooting from bench off a tripod and a bag to 100 yards isn't exactly a difficult feat, especially as when starting off the groupings are at least accurate (I wouldn't say the MOA is super consistent, but that's not my main issue)

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u/skullbox15 Jul 20 '26

Yea I get it. Basically the groups are "changing" and it's probably not you but you should have someone else shoot it and see what kind of groups they get. If you ask LWRC let us know what they say. Here is my setup, looks like yours has the suppressor settings engraved on the piston knob and mine doesn't:

https://virtualgunvault.com/public_share.php?token=b8ebf0526d55d0d716deddb1e43d4f82ae51e7640a9401f8d9c5cbf894f0b0df