Bushmaster M4 Built Lower Receiver — 7075 Forged XM15-E2S

Description

The Bushmaster M4 Built Lower Receiver is a complete AR-15 lower assembled on a 7075 forged XM15-E2S receiver. It ships in a matte black finish and includes a BFI M4 carbine stock, A2 pistol grip, mil-spec trigger and mil-spec safety selector. The component is listed with a weight of 2 lbs and is identified as made in the U.S.A. This lower is intended for use by builders and those assembling compliant firearms components.

Key Specifications

• Caliber is listed as Multi.
• The receiver is made from 7075 Forged XM15-E2S.
• The finish is Matte Black.
• The included stock is a BFI M4 Carbine Stock.
• The grip is an A2 Pistol Grip.
• The trigger is specified as Mil-Spec.
• The safety selector is a Mil-Spec Selector.
• The listed weight is 2 lbs..
• The ATF model designation is XM15-E2S.
• The ATF manufacturer is B.F.I..

Durable materials and mil-spec components make this built lower a straightforward choice for experienced builders seeking a reliable foundation. Its 7075 forged receiver and standard AR-15 controls provide familiar handling and serviceability for range use, training, or recreational shooting projects.