The Aero Precision M4E1 Complete Lower Receiver with SB Tactical Stabilizing Brace is the perfect starting place for your AR pistol build. This complete lower features an M4E1 Lower and is upgraded to include an SB Tactical SBM4 Stabilizing Brace. The SBM4 is an ATF Compliant Pistol Stabilizing Brace that provides increased stability and accuracy for your AR Pistol. Save when you buy this Complete Lower Receiver and let our specialists do the installation for you!
Includes:
- M4E1 Lower Receiver
- MOE Grip
- SBA4 Brace
- Lower Parts Kit
- Pistol Receiver Extension
- AR15 Pistol Buffer and Spring
- These parts are installed