Ok, this will be a new thread on my first build. I am using a Hardened Arms 16" 556 M4 Mel 1/9 Tactical 10" Quad Rail Upper with BCG and mil spec CH upper. A 80 Percent Arms Complete AR-15 Lower Kit that has the CMMG complete lower hardware kit, Magpul stock and BCM buffer and 80% Arms billet 80% lower. I looked at the CMMG website and they have a complete parts kit that is CA compliant with the bullet button in it. I would assume what I am receiving from 80% Arms has the bullet button it since they are based in CA. I will see when I get it in today. I also purchased the Magpul Gen 2 front and rear flip sights, a roll pin punch set and punch set.
Looking forward to this build and will update with progress and pictures.
Looking forward to this build and will update with progress and pictures.

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