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9/8/2023 8:44:23 AM EDT
[Last Edit: Mrspine][Edited]
Some of us still prefer a solid quad rail over mlok, it looks like I may have gotten the last Midwest Industries quad extention.

Scar with mi quad rail

Are any companies out there besides pmm still doing quads for the scar? I like the Midwest quad I have but the aluminum front yoke causes me problems whenever I take the gun apart, they use helicoils for the front barrel screws, which they list torque at 45 inch lbs... every time I have tried to achieve that it has pulled the helicoils out. I have recoiled the yoke several times, once I started torquing those screws to 30 inch lbs, it stopped being an issue.
30inch lbs is what pmm uses for their front extentions, I believe they use helicoils as well.
I would rather have a steel yoke with the same dimensions as the Midwest aluminum yoke, so I could not risk messing it up each time. I never had an issue with the factory steel yoke, the screws can be torqued to 62inch pounds for that one.

Anyway that is today ramble
9/8/2023 7:15:01 PM EDT
[#1]
Some early SCARs had a factory aluminum yoke. FN changed that pretty quickly

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