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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.
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LAW FOLDER GEN S
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LAW FOLDER GEN S
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GEISSELE
12% OFF
TRIGGERS
Full-Power Springs &
An Unmatched Break.
Use Code: TRIGGER12
GEISSELE
12% OFF
TRIGGERS
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An Unmatched Break.
Use Code: TRIGGER12
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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 65 Items

Upper Receivers — 65 Products In Stock / 28 Models

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Products:  1  –  32  of 82
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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
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

In stock
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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

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

In stock
Product badge ONE HORSE - 6MM ARC COMPLETE UPPER RCVR W/HBAR RIFLE BARREL FOR AR-15 ONE HORSE - 6MM ARC COMPLETE UPPER RCVR W/HBAR RIFLE BARREL FOR AR-15
5 Stars
(5.0)

$523.99

In stock
BROWNELLS - BRN16A2 5.56 20" COMPLETE UPPER RECEIVER BROWNELLS - BRN16A2 5.56 20" COMPLETE UPPER RECEIVER
5 Stars
(3.6)

$816.05

In stock
DANIEL DEFENSE - DDM4V7 PRO 18" 5.56MM NATO COMPLETE UPPER RECEIVER BLACK DANIEL DEFENSE - DDM4V7 PRO 18" 5.56MM NATO COMPLETE UPPER RECEIVER BLACK
5 Stars
(5.0)

$1,659.00

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
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

Select Items In Stock
Product badge LMT DEFENSE - MRP-L M-LOK 5.56MM ASSEMBLED UPPER RECEIVER LMT DEFENSE - MRP-L M-LOK 5.56MM ASSEMBLED UPPER RECEIVER
5 Stars
(0.0)

$890.10 - $940.50

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
BROWNELLS - GAU-5A 12.7" 1-12 UPPER RECEIVERS BROWNELLS - GAU-5A 12.7" 1-12 UPPER RECEIVERS
5 Stars
(0.0)

$736.69 - $985.99

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BATTLE ARMS DEVELOPMENT INC. - AR-15 LIGHTWEIGHT BILLET UPPER RECEIVER BATTLE ARMS DEVELOPMENT INC. - AR-15 LIGHTWEIGHT BILLET UPPER RECEIVER
5 Stars
(5.0)

$250.95

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
WILSON COMBAT - AR-15 BILLET UPPER RECEIVER WILSON COMBAT - AR-15 BILLET UPPER RECEIVER
5 Stars
(4.5)

$218.99

In stock
Product badge LMT DEFENSE - MRP-H M-LOK 7.62MM ASSEMBLED UPPER RECEIVER LMT DEFENSE - MRP-H M-LOK 7.62MM ASSEMBLED UPPER RECEIVER
5 Stars
(0.0)

$1,300.99 - $1,413.90

In stock
RISE ARMAMENT - RISE .22 ARC COMPLETE UPPER RECEIVER FOR AR-15 RISE ARMAMENT - RISE .22 ARC COMPLETE UPPER RECEIVER FOR AR-15
5 Stars
(0.0)

$999.00

In stock
RISE ARMAMENT - WATCHMANXR 6MM ARC COMPLETE UPPER RECEIVER FOR AR-15 RISE ARMAMENT - WATCHMANXR 6MM ARC COMPLETE UPPER RECEIVER FOR AR-15
5 Stars
(0.0)

$999.00

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

$814.95 - $924.95

Select Items In Stock
BRAVO COMPANY - 5.56MM MID-LENGTH COMPLETE UPPER RECEIVER W/MOD3 COMP FOR AR15 BRAVO COMPANY - 5.56MM MID-LENGTH COMPLETE UPPER RECEIVER W/MOD3 COMP FOR AR15
5 Stars
(0.0)

$881.40

In stock
CMMG - RESOLUTE® MK4 300 BLACKOUT ASSEMBLED UPPER RECEIVER CMMG - RESOLUTE® MK4 300 BLACKOUT ASSEMBLED UPPER RECEIVER
5 Stars
(0.0)

$595.38

In stock
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

In stock
ONE HORSE - 5.56MM COMPLETE UPPER RECEIVER W/MID-LENGTH SOCOM BBL FOR AR-15 ONE HORSE - 5.56MM COMPLETE UPPER RECEIVER W/MID-LENGTH SOCOM BBL FOR AR-15
5 Stars
(0.0)

$353.99

In stock
BRAVO COMPANY - 5.56MM CARBINE COMPLETE UPPER RECEIVER W/A2 FLASH HIDER FOR AR15 BRAVO COMPANY - 5.56MM CARBINE COMPLETE UPPER RECEIVER W/A2 FLASH HIDER FOR AR15
5 Stars
(0.0)

$775.35

Out of Stock
KNIGHT'S ARMAMENT - SR-25 PRECISION RIFLE COMPLETE UPPER RECEIVER 6.5 CREEDMOOR M-LO KNIGHT'S ARMAMENT - SR-25 PRECISION RIFLE COMPLETE UPPER RECEIVER 6.5 CREEDMOOR M-LO
5 Stars
(0.0)

$4,299.99

Out of Stock
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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

Out of Stock
FAXON FIREARMS - ENHANCED FORGED STRIPPED UPPER RECEIVER FAXON FIREARMS - ENHANCED FORGED STRIPPED UPPER RECEIVER
5 Stars
(0.0)

$91.99

Out of Stock
LUTH-AR LLC - M16 A1 5.56 NATO ASSEMBLED UPPER RECEIVER LUTH-AR LLC - M16 A1 5.56 NATO ASSEMBLED UPPER RECEIVER
5 Stars
(5.0)

$225.55

Out of Stock
LUTH-AR LLC - AR-15 11.5" GOVERNMENT UPPER RECEIVER 2-PC HANDGUARD 1-7 LUTH-AR LLC - AR-15 11.5" GOVERNMENT UPPER RECEIVER 2-PC HANDGUARD 1-7
5 Stars
(5.0)

$382.99

Out of Stock
AERO PRECISION - M5 (.308) ASSEMBLED UPPER RECEIVER /NO BARREL FOR AR .308 AERO PRECISION - M5 (.308) ASSEMBLED UPPER RECEIVER /NO BARREL FOR AR .308
5 Stars
(4.5)

$151.99 - $199.99

Out of Stock
COLT - AR-15 LE6960-CCU UPPER RECEIVER 5.56 M-LOK COLT - AR-15 LE6960-CCU UPPER RECEIVER 5.56 M-LOK
5 Stars
(3.9)

$659.99

Out of Stock
Products:  1  –  32  of 82

Our Upper Receivers selection features 65 in-stock products including from 31 premium brands including AERO PRECISION, BROWNELLS, & BROWNELLS BUNDLES.  Browse our full selction of Rifle Receivers & Parts.