This is a Spike's Tactical Stripped Lower Receiver known as the STLS034 chambered in 223 Remington, model STLS034.
The Spikes Tactical Forged AR-15 lower receiver is perfect for your next AR-15 build. This particular lower receiver features the Gadsden logo which has not been color filled. The lower is made from 7075 T6 aluminum and is finished with a Type III hard coat anodized finish.
Features:
Black finish
Gadsden logo
223 Rem/556NATO
Non-color filled ingravings