Adjustable Gas Block Window

[@hairydogstail]

Nice job, It came out very nice..

[@fastshuther]

Got the same handguard and was thinking the same thing

[@johnanon658]

what barrel length was that? ETA: I see a Faxon 7.5. But what HG is that exactly?

[@GunFudded]

Aero Precision Gen 2 Enhanced Quad Rail 7.2”