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Bushmaster A4 Complete Upper Receiver 00-40002-BLK

Bushmaster A4 Complete Upper Receiver, Black, 00-40002-BLK
Bushmaster A4 Complete Upper Receiver, Black, 00-40002-BLK
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Bushmaster A4 Complete Upper Receiver, Black, 00-40002-BLK

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Questions & Answers
Customer Reviews
Most Recent Reviews
Complete build by AR builder, Verified Owner, February 25, 2026
As discribed. Perfect match for my lower. Fits flawlessly both are bushmaster.
Read 1 Review
Muzzle Device:
None
Color:
Black
Fabric/Material:
7075 Aluminum
Gun Type:
Rifle
Gun Make:
AR Platform
Magazine Included:
No

Code: 6C5-URC-A4CMP-00-40002-BLK

MPN: 00-40002-BLK

UPC: 604206200150

Product No Longer Available

Product Info for Bushmaster A4 Complete Upper Receiver

Bushmasters A4 Complete Upper Receiver is the perfect addition to your build list. Made with high-quality materials and expert craftsmanship, this upper receiver is the perfect choice for any gun enthusiast. Crafted from 7075 forged aluminum and finished in black Type III Hard Coat Anodizing, this A4 flat top upper receiver is durable and lightweight. Plus, with its M4 feed ramps, you can expect reliable feeding and smooth operation. It comes with the forward assist assembly and ejection port door installed, allowing for quick and easy installation on your build. But that's not all - our A4 Complete Upper Receiver makes a great option for replacing well-used and worn-out legacy Bushmaster upper receivers.image

Features of Bushmaster A4 Complete Upper Receiver

  • Bushmasters A4 Complete Upper Receiver is the perfect addition to your build list
  • Made with high-quality materials and expert craftsmanship, this upper receiver is the perfect choice for any gun enthusiast.

Package Contents:

  • Bushmaster A4 Complete Upper Receiver

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Bushmaster A4 Complete Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • Bushmaster A4 Complete Upper Receiver, Black, 00-40002-BLK , MPN: 00-40002-BLK , UPC: 604206200150 , Code: 6C5-URC-A4CMP-00-40002-BLK
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