AT3 Tactical Upper Receivers & Parts

AT3 Tactical AR-15 Upper Receivers and Parts

AT3 Tactical AR-15 uppers and parts to piece together your build, your way. Save by bundling your upper and handguard!

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Sale!
AT3™ AR 15 Ejection Port Cover C Clip -2pcs
(38)

AT3™ AR-15 Ejection Port Cover C-Clip – Pack of 2
$1.39
Only
$1.18
Out of Stock
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Sale!
AT3 Tactical Firing Pin Retainer for AR-15 BCG
(15)

AT3 Tactical Firing Pin Retainer for AR-15 BCG
$1.99
Only
$1.69
Out of Stock
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Sale!
AT3™ AR15 Barrel Nut & Delta Ring Assembly
(41)

AT3™ AR-15 Barrel Nut & Delta Ring Assembly
$16.99
Only
$14.44
Out of Stock
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Sale!
AT3™ 16 Inch .300 BLK Complete AR-15 Upper - .300 AAC Blackout 16 Inch Ballistic Advantage Barrel - With Nickel Boron BCG and Mil-Spec CH

AT3™ .300 BLK 16″ Complete Assembled AR-15 Upper – With Nickel Boron BCG and Charging Handle
$572.99
Only
$487.04
Out of Stock
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Sale!
AT3™ 10.5 Inch .300 Blackout Pistol Upper for AR-15 - With Nickel Boron BCG and Mil-Spec CH

AT3™ 10.5 Inch .300 Blackout Complete Assembled Pistol Upper for AR-15 – With Nickel Boron BCG and Mil-Spec CH
$536.97
Only
$456.42
Out of Stock
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Sale!
AT3 Tactical Gas Rings for AR-15 Bolts - Set of 3
(6)

AT3 Tactical Gas Rings for AR-15 Bolts – Set of 3
$2.99
Only
$2.54
Out of Stock
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Sale!
AT3™ Handguard End Cap - Round
(10)

AT3™ Handguard End Cap – Round
$4.99
Only
$4.24
Out of Stock
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Sale!
AR-15 Extractor Pin
(2)

AT3 Tactical Extractor Retainer Pin for AR-15
$1.99
Only
$1.69
Out of Stock
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Sale!
AT3 Tactical Extractor O-Ring
(1)

AT3 Tactical Extractor O-Ring
$1.19
Only
$1.01
Out of Stock
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Sale!
AT3 Tactical Extractor Spring for AR-15 Bolts
(2)

AT3 Tactical Extractor Spring for AR-15 Bolts
$1.19
Only
$1.01
Out of Stock
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Sale!

AT3™ AR-15 Forward Assist Roll Pin
$1.19
Only
$1.01
Out of Stock
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Sale!
AT3 Tactical AR-15 Ejector Roll Pin
(1)

AT3 Tactical AR-15 Ejector Roll Pin
$1.19
Only
$1.01
Out of Stock
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Sale!
AT3 Tactical Extractor for .223/5.56 Bolts - Black Nitride
(1)

AT3 Tactical Extractor for .223/5.56 Bolts – Black Nitride
$11.99
Only
$10.19
Out of Stock
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Sale!
AT3™ AT-15 Lower and Upper Receiver Set - Raw Finish

AT3™ AT-15 Lower and Upper Receiver Set – Raw Aluminum Finish
$189.99
Only
$161.49
Out of Stock
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Sale!
AT3 Tactical Ejector for AR-15 Bolts
(1)

AT3 Tactical Ejector for AR-15 Bolts
$5.99
Only
$5.09
Out of Stock
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Sale!
AT3™ Forged AR-15 Stripped Upper Receiver - Raw Finish

AT3™ Forged AR-15 Stripped Upper Receiver – Raw Finish
$89.99
Only
$76.49
Out of Stock
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Sale!
AT3™ 10.5 Inch Complete AR-15 Pistol Upper - 10.5 Inch Faxon .223/5.56 SOCOM Barrel - With Nickel Boron BCG and Mil-Spec CH

AT3™ .223/5.56 10.5″ Complete Assembled AR-15 Upper – With Nickel Boron BCG and Charging Handle
$516.99
Only
$439.44
Out of Stock
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RECOMMENDED
Sale!
AT3 Slick Side Billet Upper Receiver - 7 Colors Available
(132)

AT3™ Slick Side Upper | Billet Upper Receiver for AR-15
8 Options
from $89.99
from $76.49
Out of Stock
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Sale!
(17)

AT3™ Forged Upper Receiver and SPEAR Handguard Combo
21 Options
from $146.99
from $124.94
Out of Stock
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Sale!
(11)

AT3™ Forged AR-15 Stripped Upper Receiver
7 Options
from $89.99
from $76.49
Out of Stock
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Sale!
AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo
(1)

AT3™ Slick Side Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo
16 Options
from $229.99
from $195.49
Out of Stock
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Sale!
(14)

AT3 Tactical™ Complete AR-15 Upper Parts Kit – Forward Assist & Dust Cover
9 Options
from $21.99
from $18.69
Out of Stock
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Sale!
AT3™ Forged Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo
(2)

AT3™ Forged Upper Receiver and SPEAR XL Suppressor Ready Handguard Combo
16 Options
from $221.99
from $188.69
Out of Stock
View Product
Sale!
Black Upper with BCG
(11)

AT3™ Slick Side AR-15 Upper with Black Nitride 5.56 Bolt Carrier Group
7 Options
from $171.98
from $146.18
Out of Stock
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