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Q Sugar Weasel 13” Upper

Written on May 13, 2025

Fantastic upper. I really like how easy it is to access (right side of handguard) and adjust the gas block to fine tune for your specific ammo. I’m getting good accuracy with all ammo grains I’ve tested— 55gr/69gr/77gr. I’d absolutely recommend this upper.

Awesome if running a suppressor!

Written on Jun 03, 2017

This thing is phenomenal! I'm running it in a suppressed 10.5" pistol. So impressed I just ordered another for my next build. If you don't want to run an adjustable gas block, this is by far the way to go!
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Last updated 2026-07-19 UTC.