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DANIEL DEFENSE MK18
& M4A1 STRIPPED UPPERS

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BROWNELLS BRN-180® GEN3

See What You've Been Missing
Back In Stock!
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A RIFLE TO GET YOU
TO HELL AND BACK

Brownells HK416 Compatible BRN-4 Line
Explore The BRN-4
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NEW UPPERS FROM
KAK INDUSTRIES

Feature Packed Exclusive Uppers Including
Down Vent BCG, Chrome Lining & MORE

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Upper Receivers 71 Items

Upper Receivers Up To 19% Off— 71 Products In Stock / 27 Models

 

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PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER
5 Stars
(5.0)

$1,349.00

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Product badge SONS OF LIBERTY GUN WORKS - BROADSWORD-89 6MM MAX ASSEMBLED UPPER RECEIVER FOR AR-15 SONS OF LIBERTY GUN WORKS - BROADSWORD-89 6MM MAX ASSEMBLED UPPER RECEIVER FOR AR-15
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$1,187.50 - $1,282.50

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COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS
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$749.99

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Product badge DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.9)

$749.99

$899.99

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GEISSELE AUTOMATICS LLC - MK16 URG-I COMPLETE UPPER RECEIVERS 5.56MM GEISSELE AUTOMATICS LLC - MK16 URG-I COMPLETE UPPER RECEIVERS 5.56MM
5 Stars
(4.7)

$1,429.99

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Product badge DANIEL DEFENSE - M4A1 SOCOM BLOCK II 5.56 NATO STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 SOCOM BLOCK II 5.56 NATO STRIPPED UPPER RECEIVER
5 Stars
(4.6)

$749.99 - $854.99

$899.99 - $949.99

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GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY MOD1 5.56X45 NATO COMPLETE UPPER RECEIVER GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY MOD1 5.56X45 NATO COMPLETE UPPER RECEIVER
5 Stars
(4.1)

$1,259.99 - $1,410.00

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Product badge KAK INDUSTRY LLC. - K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER KAK INDUSTRY LLC. - K-SPEC 5.56X45MM NATO COMPLETE UPPER RECEIVER
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$539.99 - $599.99

$599.99

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BROWNELLS BUNDLES - DD 14.5" M4A1 FSP UPPER RECEIVER W/ EOTECH OPTICS BROWNELLS BUNDLES - DD 14.5" M4A1 FSP UPPER RECEIVER W/ EOTECH OPTICS
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$1,529.99 - $1,697.29

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BROWNELLS BUNDLES - DD 14.5" M4A1 SOMCOM UPPER RECEIVER W/ EOTECH OPTIC BROWNELLS BUNDLES - DD 14.5" M4A1 SOMCOM UPPER RECEIVER W/ EOTECH OPTIC
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$1,429.99 - $1,612.99

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SONS OF LIBERTY GUN WORKS - BROADSWORD-89 223 WYLDE ASSEMBLED UPPER RECEIVER FOR AR-15 SONS OF LIBERTY GUN WORKS - BROADSWORD-89 223 WYLDE ASSEMBLED UPPER RECEIVER FOR AR-15
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$1,140.00 - $1,235.00

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PRIMARY WEAPONS - MK114 MOD 1-M 223 WYLDE COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK114 MOD 1-M 223 WYLDE COMPLETE UPPER RECEIVER
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$1,049.95

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CMMG - RESOLUTE® MK4 300 BLACKOUT ASSEMBLED UPPER RECEIVER W/P&W BRAKE CMMG - RESOLUTE® MK4 300 BLACKOUT ASSEMBLED UPPER RECEIVER W/P&W BRAKE
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$524.99

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CMMG - RESOLUTE® MK4 5.56 NATO ASSEMBLED UPPER RECEIVER W/P&W BRAKE CMMG - RESOLUTE® MK4 5.56 NATO ASSEMBLED UPPER RECEIVER W/P&W BRAKE
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$524.99

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MEAN ARMS - BEARING DELAY 9MM LUGER COMPLETE UPPER RECEIVER MEAN ARMS - BEARING DELAY 9MM LUGER COMPLETE UPPER RECEIVER
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$1,399.99 - $1,499.99

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Product badge BROWNELLS - BRN-4® BLEM UPPER RECEIVER ASSEMBLIES WITH NITRIDE BARRELS BROWNELLS - BRN-4® BLEM UPPER RECEIVER ASSEMBLIES WITH NITRIDE BARRELS
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$1,047.05

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COLT - M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS COLT - M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS
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$729.99 - $999.99

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Product badge AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD AERO PRECISION - M4E1 5.56MM ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD
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$429.99 - $599.99

$484.99 - $574.99

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Product badge DANIEL DEFENSE - M4A1 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.9)

$749.99

$899.99

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COLT - M4 5.56 UPPER RECEIVER GROUPS COLT - M4 5.56 UPPER RECEIVER GROUPS
5 Stars
(4.3)

$444.99 - $909.99

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BROWNELLS - BRN-4® UPPER RECEIVER ASSEMBLIES WITH CHROME LINED BARRELS BROWNELLS - BRN-4® UPPER RECEIVER ASSEMBLIES WITH CHROME LINED BARRELS
5 Stars
(4.2)

$1,299.99 - $1,399.99

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BROWNELLS - BRN-4® COMPLETE UPPER RECEIVERS BROWNELLS - BRN-4® COMPLETE UPPER RECEIVERS
5 Stars
(4.2)

$1,299.99

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Product badge AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER MID LENGTH W/G2 HANDGUARD AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER MID LENGTH W/G2 HANDGUARD
5 Stars
(4.0)

$499.99 - $565.99

$574.99

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COLT - M4 UPPER RECEIVER 5.56 SOCOM BARREL COLT - M4 UPPER RECEIVER 5.56 SOCOM BARREL
5 Stars
(4.0)

$499.99

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Product badge LUTH-AR LLC - AR-15 14.5" SOCOM UPPER RECEIVER 1-7 LUTH-AR LLC - AR-15 14.5" SOCOM UPPER RECEIVER 1-7
5 Stars
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Product badge BROWNELLS - BRN-4® UPPER RECEIVER ASSEMBLIES BROWNELLS - BRN-4® UPPER RECEIVER ASSEMBLIES
5 Stars
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$947.64 - $1,199.99

$1,199.99

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BROWNELLS BUNDLES - DD 14.5" M4A1 RIII UPPER RECEIVER W/ EOTECH OPTICS BROWNELLS BUNDLES - DD 14.5" M4A1 RIII UPPER RECEIVER W/ EOTECH OPTICS
5 Stars
(0.0)

$1,529.99 - $1,697.29

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PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER PRIMARY WEAPONS - MK114 MOD 2-M 223 WYLDE COMPLETE UPPER RECEIVER
5 Stars
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$1,299.95

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SONS OF LIBERTY GUN WORKS - BROADSWORD-89 6MM ARC ASSEMBLED UPPER RECEIVER FOR AR-15 SONS OF LIBERTY GUN WORKS - BROADSWORD-89 6MM ARC ASSEMBLED UPPER RECEIVER FOR AR-15
5 Stars
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$1,140.00 - $1,235.00

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KNIGHT'S ARMAMENT - SR-25 COMBAT CARBINE COMPLETE UPPER RECEIVERS 308 WIN M-LOK KNIGHT'S ARMAMENT - SR-25 COMBAT CARBINE COMPLETE UPPER RECEIVERS 308 WIN M-LOK
5 Stars
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$3,999.99

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Products: – of 30