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The Aero Precision M4E1 Complete Lower Receiver with Magpul SL-S Carbine Stock is the perfect upgrade for your AR build. This complete lower features an M4E1 Gen 2 Lower and is upgraded to include an Magpul SL-S Carbine Stock. The storage-capable version of the flagship Magpul MOE SL™ carbine stock, the MOE SL-S (Storage) Stock is a direct replacement buttstock for AR15/M4 carbines.
Includes:
M4E1 Lower Receiver
Magpul MOE Grip
Magpul SL-S Stock
Lower Parts Kit
Carbine Receiver Extension
Enhanced Carbine Buffer Tube (Kodiak Brown & OD Green Anodized)
AR15 Carbine Buffer and Spring
These parts are installed