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Great upper - Fortis Manufacturing Billet Upper Receiver, Stripped
by
cptn2469,
Verified Owner
from AZ, United States
Written on February 19, 2026
cptn2469's Review of Fortis Manufacturing Billet Upper Receiver, Stripped
Bought this and a geissele mk4 handguard. I had to take a small amount off of the anti rotation pins on the handguard like under .005 on just one side. And it fit perfect on this upper. Since it is a billet up that is pretty common practice. But the upper itself is rock solid, feels great, light weight, strong, highly recommended
Would Recommend:
Yes
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