Bushmaster XM15-E2S Forged 7075 Multi-Cal Stripped - Lower Receiver - $69.99

Description

Build any caliber on the Bushmaster legacy. The Bushmaster XM15-E2S Stripped Lower Receiver is a forged 7075 aluminum AR-15 lower marked 'Multi' — giving builders the flexibility to configure it for any AR-15-compatible caliber from 5.56 to 300 BLK — with a Type III hard coat anodize finish and an integrated 1/4x28 tension screw for a tight upper-to-lower fit.

The Bushmaster XM15-E2S Stripped Lower Receiver is a forged 7075 aluminum AR-15 lower receiver with a Multi-caliber marking, Type III hard coat anodize finish, Safe/Semi/Burst safety selector markings, and an integrated 1/4x28 tension screw for upper-to-lower play reduction.

Three features make the XM15-E2S a versatile build foundation. The 'Multi' caliber marking keeps the lower unrestricted to any single AR-15-compatible chambering — a practical choice for builders who intend to swap upper receivers across calibers or who want maximum resale and configuration flexibility. The Type III hard coat anodize finish delivers greater surface hardness and corrosion resistance than standard Type II anodize, protecting the receiver through hard use and extended service life. The integrated 1/4x28 tension screw allows the builder to reduce or eliminate play between the upper and lower receiver without aftermarket hardware, providing a tighter, more consistent fit across upper receivers of varying tolerance.

Compatible with mil-spec AR-15 upper receivers, lower parts kits, buffer systems, and furniture. Multi-caliber designation supports any AR-15-compatible cartridge. Stripped configuration ships without internal components. FFL transfer required — serialized receiver.

Forged 7075 aluminum alloy. Type III hard coat anodize. 1/4x28 tension screw. Safe/Semi/Burst markings. XM15-E2S rollmark. Made in the USA.

Suited for multi-caliber AR-15 builds, custom configurations, and any project requiring a proven Bushmaster-marked forged lower with flexibility across chamberings.

By Bushmaster. Made in the USA. FFL transfer required. Standard Bushmaster warranty applies.