7.5" AR 15 upper 4.2" Quad QR Low Pro Gas Block 5.56

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If ordering the 300 Blackout model or 7.62x39 only choose one of those options

Aero Precision AR 15 7.5" Upper

This unit come with a Phosphate 7.5" barrel, M4 Feed Ramps.
A2 Flash Hider.
All NFA laws & Rules apply.
This unit is ships directly to your home.
Make sure this is legal where you live before you buy.
Barrel spec:
7.5 inch Mil Spec
1-9 twist
5.56 NATO chamber, M4 extension
This unit comes with The Aero Precision flat top upper, Orion Tactical 4.2" Free Float Quad rails HG's, A2 Bird cage Flash Hider, Quad Rail Gas Block.
Does not come with charging handle or Bolt & carrier group, they are options.