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    Machined to mil-spec dimensions, our lowers work with standard AR15 components and ensure the highest quality with a correct component interface.
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    Mil-spec dimensions and coating ensure the highest quality and correct component interface for your next big-bore AR.
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    The EPC-9 lineup is perfect for your next 9mm or 40S&W AR build.
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Upper Receivers

Upper Receivers

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Upper Receivers

RECEIVER SETS

COMPLETE UPPERS

ASSEMBLED UPPERS

STRIPPED UPPERS

Added

Aero Precision M4E1 Threaded Complete Upper, 10.5" 5.56 Barrel, 9" M-LOK ATLAS S-ONE Handguard - Anodized Black

M4E1 Threaded 10.5" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

Added

Aero Precision AR15 Gen 2 Complete Upper, 14.5" 5.56 Carbine Length Barrel, 12" M-LOK ATLAS S-ONE Handguard - Anodized Black

M4E1 Threaded 14.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS S-ONE Handguard

Added

Aero Precision AR15 Gen 2 Complete Upper, 14.5" 5.56 Mid Barrel, 12" M-LOK ATLAS S-ONE Handguard - Anodized Black

M4E1 Threaded 14.5" 5.56 Mid-Length Complete Upper Receiver w/ ATLAS S-ONE Handguard

Added

Aero Precision AR15 Gen 2 Complete Upper, 14.7" 5.56 Mid Pencil Barrel, 12" M-LOK ATLAS S-ONE Handguard - Anodized Black

M4E1 Threaded 14.7" 5.56 Pencil Complete Upper Receiver w/ ATLAS S-ONE Handguard

Added

Aero PrecisionAR15 Gen 2 Complete Upper, 16" 5.56 M4 Barrel, 12" M-LOK ATLAS S-ONE Handguard, Anodized Black

M4E1 Threaded 16" 5.56 M4 Complete Upper Receiver w/ ATLAS S-ONE Handguard

September 2023 Builder Sets

September Builder Sets

Tropical Splash Sets Available Now!

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Added

Aero Precision AR15 Gen 2 Complete Upper, 16" 5.56 Mid Pencil Length Barrel, 12" M-LOK ATLAS S-ONE Handguard - Anodized Black

M4E1 Threaded 16" 5.56 Pencil Complete Upper Receiver w/ ATLAS S-ONE Handguard

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Added

Aero Precision AR15 Gen 2 Complete Upper, 16" 5.56 Mid-Length Barrel, 12" M-LOK ATLAS S-ONE Handguard, Anodized Black

M4E1 Threaded 16" 5.56 Mid-Length Complete Upper Receiver w/ ATLAS S-ONE Handguard

Added

Aero Precision AR15 Gen 2 Complete Upper, 18" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard, Anodized Black

M4E1 Threaded 18" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

Added

Aero Precision AR15 Gen 2 Complete Upper, 20" 5.56 Rifle Length Barrel, 15" M-LOK ATLAS S-ONE Handguard, Anodized Black

M4E1 Threaded 20" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard

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