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Upper Receivers & Parts

We have what you need for your next upper receiver build. 

Looking for complete upper receiver assemblies with barrel and handguard? Check out out complete upper assemblies category.

Want to learn more about upper receivers? Check out our article on Choosing the Right AR-15 Upper

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5 reviews
$74.99 $79.99

Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Matches with all mil-spec lower receivers for a dependable fit. Made in the USA. Features: M4 Feedramps .250 takedown pin holes Laser engraved T-marks Specifications: PLATFORM: AR15 MATERIAL: Machined from 7075-T6 forged aluminum FINISH: Anodized Black COMPATIBILITY: Works with standard AR15/M16 components...

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4 reviews
$16.99 $17.99

This upper parts kit includes the parts you need to assemble a stripped AR15 Upper Receiver.Includes: Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port Cover Spring Specifications: FINISH: N/A PLATFORM: AR15/Multi Platform WEIGHT: 1.5 oz

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6 reviews
$93.99 $99.99

This quality AR15 Assembled Upper Receiver comes with the port door and forward assist already installed. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil- spec M16/M4 specifications and features M4 feedramps. Features: M4 Feedramps .250 takedown pin holes Laser engraved T-marks Includes port door and forward assist Specifications: PLATFORM: AR15 MATERIAL: Machined from 7075-T6 forged aluminum...

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5 Piece AR Upper Receiver Spring Replacement Kit. Kit Includes: - Ejector Spring - Forward Assist Spring - Port Cover Spring - Extractor Spring - Extractor Spring Buffer