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LIMITED EDITION
BRN-180® SCNR
TIGER STRIPE
Only 50 Build Kits Available
When They're Gone, They're Gone
Save $300 W/ Code!
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BRN®-180 SCNR
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Brownells Exclusive
DANIEL DEFENSE
MK18 & M4A1
STRIPPED UPPERS
 
Featuring RIS II & RIS III rails, cold hammer forged barrels & legendary Daniel Defense quality.
Explore The Uppers
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SMALLER.
LIGHTER.
STRONGER.
Meet the New
LAW FOLDER GEN S
SMALLER.
LIGHTER.
STRONGER.
Meet the New
LAW FOLDER GEN S
Take A Look
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A RIFLE TO GET YOU
TO HELL AND BACK

Brownells HK416 Compatible BRN-4 Line
Explore The BRN-4

Upper Receivers 61 Items

Upper Receivers — 61 Products In Stock / 28 Models

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Products:  1  –  32  of 128
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DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER
5 Stars
(4.5)

$899.99

In stock
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DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.8)

$899.99

In stock
Product badge 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)

$1,325.00 - $1,450.00

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DANIEL DEFENSE - M4A1 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.7)

$899.99

In stock
BROWNELLS BUNDLES - DD 10.3" MK18 SOCOM UPPER RECEIVERS W/ OPTICS BROWNELLS BUNDLES - DD 10.3" MK18 SOCOM UPPER RECEIVERS W/ OPTICS
5 Stars
(0.0)

$1,263.99 - $1,402.99

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DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.8)

$899.99

In stock
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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)

$899.99 - $949.99

In stock
BROWNELLS BUNDLES - DD 10.3" MK18 RIII UPPER RECEIVER W/ EOTECH OPTICS BROWNELLS BUNDLES - DD 10.3" MK18 RIII UPPER RECEIVER W/ EOTECH OPTICS
5 Stars
(0.0)

$1,263.99 - $1,402.99

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Product badge BROWNELLS - BRN-15 FORGED STRIPPED UPPER RECEIVER FOR AR-15 BROWNELLS - BRN-15 FORGED STRIPPED UPPER RECEIVER FOR AR-15
5 Stars
(0.0)

$69.99

In stock
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)

$1,263.99 - $1,402.99

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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
(4.8)

$1,525.00

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PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 GEN III 5.56X45 NATO UPPER RECEIVER PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 GEN III 5.56X45 NATO UPPER RECEIVER
5 Stars
(0.0)

$1,709.00 - $1,729.00

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GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM
5 Stars
(5.0)

$1,025.00 - $1,150.00

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LUTH-AR LLC - SLICK SIDE A1 5.56 NATO ASSEMBLED UPPER RECIEVER LUTH-AR LLC - SLICK SIDE A1 5.56 NATO ASSEMBLED UPPER RECIEVER
5 Stars
(4.5)

$202.05

In stock
PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 SPR GEN II 5.56X45 NATO UPPER RECEIVER PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 SPR GEN II 5.56X45 NATO UPPER RECEIVER
5 Stars
(4.0)

$1,757.00 - $1,777.00

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Product badge COLT - M16 20 INCH 5.56 COMPLETE UPPER RECEIVER GROUPS COLT - M16 20 INCH 5.56 COMPLETE UPPER RECEIVER GROUPS
5 Stars
(4.9)

$499.99 - $679.99

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Product badge BRAVO COMPANY - BCM MID-LENGTH COMPLETE UPPER RECEIVER W/A2 FLASH HIDER FOR AR15 BRAVO COMPANY - BCM MID-LENGTH COMPLETE UPPER RECEIVER W/A2 FLASH HIDER FOR AR15
5 Stars
(0.0)

$786.35

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

$1,263.99 - $1,402.99

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BATTLE ARMS DEVELOPMENT INC. - WORKHORSE BLEM STRIPPED UPPER RECEIVER FOR AR-15 BATTLE ARMS DEVELOPMENT INC. - WORKHORSE BLEM STRIPPED UPPER RECEIVER FOR AR-15
5 Stars
(5.0)

$79.99

In stock
LUTH-AR LLC - AR-15 A2 UPPER RECEIVER LUTH-AR LLC - AR-15 A2 UPPER RECEIVER
5 Stars
(3.0)

$103.35

In stock
ZRO DELTA - AR-15 FORGED M4 UPPER RECEIVER 5.56MM ZRO DELTA - AR-15 FORGED M4 UPPER RECEIVER 5.56MM
5 Stars
(5.0)

$69.99

In stock
Product badge ONE HORSE - 300BLK COMPLETE UPPER RECEIVER W/SOCOM PISTOL BBL FOR AR-15 ONE HORSE - 300BLK COMPLETE UPPER RECEIVER W/SOCOM PISTOL BBL FOR AR-15
5 Stars
(2.0)

$353.99

In stock
RADIAN WEAPONS - MODEL 1 UPPER & HANDGUARD SET RADIAN WEAPONS - MODEL 1 UPPER & HANDGUARD SET
5 Stars
(0.0)

$814.95 - $924.95

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BATTLE ARMS DEVELOPMENT INC. - AR-15 WORKHORSE UPPER RECEIVERS- NO BCG OR CHARGING HANDLE BATTLE ARMS DEVELOPMENT INC. - AR-15 WORKHORSE UPPER RECEIVERS- NO BCG OR CHARGING HANDLE
5 Stars
(0.0)

$524.95

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LUTH-AR LLC - M16 A1 5.56 NATO STRIPPED UPPER RECEIVER LUTH-AR LLC - M16 A1 5.56 NATO STRIPPED UPPER RECEIVER
5 Stars
(0.0)

$164.45

In stock
Product badge CMMG - RESOLUTE® MK4 5.56X45MM NATO ASSEMBLED UPPER RECEIVER CMMG - RESOLUTE® MK4 5.56X45MM NATO ASSEMBLED UPPER RECEIVER
5 Stars
(0.0)

$476.39

$595.38

In stock
FAXON FIREARMS - ENHANCED FORGED ASSEMBLED UPPER RECEIVER FAXON FIREARMS - ENHANCED FORGED ASSEMBLED UPPER RECEIVER
5 Stars
(0.0)

$115.00

In stock
BROWNELLS - AR-15/M16 M16A2 STRIPPED UPPER RECEIVER BROWNELLS - AR-15/M16 M16A2 STRIPPED UPPER RECEIVER
5 Stars
(1.5)

$149.99

In stock
FN AMERICA LLC - FN15/AR 16" CARBINE UPPER RECEIVER ASSEMBLY FN AMERICA LLC - FN15/AR 16" CARBINE UPPER RECEIVER ASSEMBLY
5 Stars
(4.0)

$1,013.02

In stock
NORDIC COMPONENTS - 22RB DEDICATED 22 LONG RIFLE UPPER RECEIVER NORDIC COMPONENTS - 22RB DEDICATED 22 LONG RIFLE UPPER RECEIVER
5 Stars
(2.8)

$585.00

In stock
DANIEL DEFENSE - MK12 SPR 18" 5.56MM NATO UPPER RECEIVER BLACK DANIEL DEFENSE - MK12 SPR 18" 5.56MM NATO UPPER RECEIVER BLACK
5 Stars
(4.5)

$1,765.00

In stock
Product badge FAXON FIREARMS - ASCENT 22 ARC COMPLETE UPPER RECEIVER FOR AR-15 FAXON FIREARMS - ASCENT 22 ARC COMPLETE UPPER RECEIVER FOR AR-15
5 Stars
(1.0)

$621.00

In stock
Products:  1  –  32  of 128

Our Upper Receivers selection features 61 in-stock products including from 31 premium brands including AERO PRECISION, BROWNELLS, & BROWNELLS BUNDLES.  Browse our full selction of Rifle Receivers & Parts.