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Upper Receivers

Upper Receivers

Engineered AR-15 and M4E1 upper receivers that enhance cycling reliability and shot-to-shot consistency. Built with high-end components for shooters who demand the highest performance.

368 Items
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Added
Aero Precision AR15 Complete Upper, 16" 5.56 Carbine Barrel w/ Pinned FSB, MOE Carbine
AR15 Complete Upper, 16" 5.56 Carbine Barrel w/ Pinned FSB, MOE® Carbine
Out of stock
Added
M4E1 Threaded 18" 6.5 Grendel Complete Upper Receiver w/ ATLAS S-ONE Handguard
M4E1 Threaded 18" 6.5 Grendel Complete Upper Receiver w/S-ONE Handguard
Out of stock
Added
M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver
M4E1 Enhanced 20" 6.5 Grendel Complete Upper Receiver
Out of stock
Sale
Bundle & Save
Added
M4E1 Enhanced 7.5" 5.56 Pistol Length Complete Upper Receiver
M4E1 Enhanced 7.3" 5.56 Pistol Length Complete Upper Receiver
$319.99 $434.99
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Sale
Discontinued
Added
Aero Precision AR15 Gen 2 Complete Upper, 16" .223 Wylde Mid-Length Barrel, ATLAS S-ONE Handguard
M4E1 Threaded 16" .223 Wylde Complete Upper Receiver w/S-ONE Handguard
Out of stock
SALE

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PRO

AR15 PRO Lineup:

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Builder Sets

Builder Sets:

Irish DPM Camo

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Sale
Discontinued
Added
Aero Precision M4E1 Threaded 7.5" 5.56 Complete Upper Receiver w/ ATLAS S-ONE Handguard
M4E1 Threaded 7.3" 5.56 Complete Upper Receiver w/S-ONE Handguard
Out of stock
Added
Aero Precision M4E1 Complete Upper, 16" .223 Wylde Fluted Mid-Length Barrel
M4E1 Enhanced 16" .223 Wylde Fluted Complete Upper Receiver
Out of stock
Sale
Discontinued
Added
M4E1 Threaded 7.5" 5.56 Complete Upper Receiver w/ ATLAS R-ONE Handguard
M4E1 Threaded 7.3" 5.56 Complete Upper Receiver w/ 7" M-LOK R-ONE Handguard
Out of stock
Added
M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/ ATLAS R-ONE Handguard
M4E1 Threaded 12.5" 5.56 Carbine Length Complete Upper Receiver w/R-ONE Handguard
Out of stock
new
Sale
Added
M4E1 Enhanced 10.5" 5.56 No Forward Assist Complete Upper Receiver w/ 9" M-LOK Handguard
M4E1 Enhanced 10.5" 5.56 No Forward Assist Complete Upper Receiver w/ 9" M-LOK Handguard
Out of stock
new
Added
M4E1 Threaded Complete Upper, 13.9" 5.56 CMV Mid-Length Barrel w/ 12.7" ATLAS R-ONE M-LOK Handguard
M4E1 Threaded Complete Upper, 13.9" 5.56 CMV Mid-Length Barrel w/ 12.7" R-ONE M-LOK Handguard
Out of stock
new
Sale
Added
AR15 16" 5.56 Carbine-Length M4 CHM/PH Complete Upper W/ 15" M-LOK S-ONE Handguard – Anodized Black
AR15 16" 5.56 Carbine-Length M4 CHM/PH Complete Upper W/ 15" M-LOK S-ONE Handguard – Anodized Black
Special Price $450.00 Regular Price $620.00
Out of stock
new
Added
M4E1 Enhanced 8" .300 Blackout No Forward Assist Complete Upper w/ 7.3" Enhanced M-LOK Handguard - Anodized Black
M4E1 Enhanced 8" .300 Blackout No Forward Assist Complete Upper w/ 7.3" Enhanced M-LOK Handguard - Anodized Black
$625.00
Out of stock
new
Added
M4E1 Threaded 16" 5.56 Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK ATLAS S-ONE Handguard - OD Green Anodized
M4E1 Threaded 16" 5.56 Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK S-ONE Handguard - OD Green Anodized
$720.00
Out of stock
new
Added
M4E1 Threaded 16" .223 Wylde SS Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK S-ONE Handguard - Anodized Black
M4E1 Threaded 16" .223 Wylde SS Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK S-ONE Handguard - Anodized Black
$720.00
Out of stock
new
Added
M4E1 Threaded 16" 5.56 Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK S-ONE Handguard - Anodized Black
M4E1 Threaded 16" 5.56 Hanson Pencil Mid-Length No Forward Assist Complete Upper w/ 15" M-LOK S-ONE Handguard - Anodized Black
$720.00
Out of stock
new
Added
AR15 16" 5.56 Mid-Length HBAR Complete Upper w/ 15" M-LOK ATLAS S-ONE Handguards - Anodized Black
AR15 16" 5.56 Mid-Length HBAR Complete Upper w/ 15" M-LOK S-ONE Handguards - Anodized Black
$620.00
Out of stock
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