Spike's Tactical Spider MK4 Complete .223 Remington Black Lower Receiver

The Spike’s Tactical Spider MK4 complete .223 Remington / 5.56mm NATO lower receiver is built as a semi-automatic AR-15 style foundation with a 6-position collapsible stock setup and a mil-spec buffer tube. It arrives in a black finish and includes the ST-T2 tungsten heavy buffer for reliable operation as part of your assembled AR platform.

Key features

• Complete AR-15 style lower receiver built for .223 Remington / 5.56mm NATO upper compatibility
• Semi-automatic fire control group and AR-15 style manual safety selector
• 6-position collapsible stock configuration for adjustable fit
• Mil-spec buffer tube with ST-T2 tungsten heavy buffer included

Pair this Spider MK4 lower with your preferred upper to build a dependable .223 Remington / 5.56mm NATO AR-15 style rifle setup.