The Phoenix, Gen2 version features Polymer80's proprietary polymer composite, a solid core design, stiffened magwell and beefier mil-spec buffer tube housing. The pistol grip area features a strong and unique no-thread design specific to Polymer80 lowers.

Each Kit comes with the following:
G150 Phoenix 2 (latest version) AR-15 80% completed Lower Receiver
Set Screw Bolt Catch Pin
Dowel Pin for Bolt Catch
Pistol Grip Nut
Pistol Grip Bolt
Allen Wrench
AR-15 Jig
Quality End Mill with Laser Cut Stop-Mark for Fire Control Pocket
Drill Bit for Trigger Pin Hole
Drill Bit for Safety Selector Switch Hole
Drill Bit for trigger and hammer Pin Holes
6 Screws for tightening the Jig

See the "instructional videos" page for more information.