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SOLGW M89 Heavy Arca handguard

PRSDietitian

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Minuteman
Jan 11, 2023
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Texas
I saw SOLGW released a new handguard for the AR-10 based on their M89 design and it has a built in ARCA rail. I'm building an ar-10 with a .936 gas block and trying to see if it'll fit. I called and I think they mis-measured because somehow the ID they measured was smaller than the AR-15 version which makes no sense to me because the ar-10 barrel nut is larger, so you'd expect the ID of the ar-10 rail to be larger, and the ar-15 version is 1.40 and they measured 1.325.

Has anyone picked one of these up that could get me an accurate measurement of the ID?
 
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