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Great upper with one caveat - Geissele Super Duty Mod1 5.56mm, 11.5in Complete Upper

by Alex, Verified Owner from MI, United States Written on September 15, 2025
Review for Geissele Super Duty Mod1 5.56mm, 11.5in Complete Upper
Geissele Super Duty Mod1 5.56mm, 11.5in Complete Upper
Geissele Super Duty Mod1 5.56mm, 11.5in Complete Upper
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Alex's Review of Geissele Super Duty Mod1 5.56mm, 11.5in Complete Upper

We all know this is a great upper and it is. The main issue is that they are using red loctite on the muzzle break. Even with map gas and yanking on it it took forever to get off and the handguard took some nicks. Not sure whose idea this was but I was shocked they would use red loctite on a muzzle device
Would Recommend: Yes
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Last updated 2026-10-07 UTC.