5907-Brownells-Q4-Co-Op---Week-51---Brand-Package---Magpul-CP-Hero-1920x385
5907-Brownells-Q4-Co-Op---Week-51---Brand-Package---Magpul-CP-Hero-768x450

MAGPUL
SHIPS FREE

Mags to Stocks &
All Must-Have Accessories....
Shipping's On Us!

Upgrade Now!
5323 Brownells Site Banners - SC Brownells Tax Stamp Promo_Category Banner
5323 Brownells Site Banners - SC Brownells Tax Stamp Promo_Category Banner Mobile

ON SELECT SUPPRESSORS

From Banish, Gunwerks & Nosler
+ Delivered To Your Door!
Find Your New Can
3768-BOGO-Deals-CP-Hero-1920x385
3768-BOGO-Deals-CP-Hero-768x450

NEVER COMPROMISE

Fold Your AR And
Don't Sacrifice Reliability
Shop Now
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero Mobile(1)

BROWNELLS BRN-180® GEN3

See What You've Been Missing
Back In Stock!
4326-BRN-4-Complete-Uppers-CP-Hero-1920x385
4326-BRN-4-Complete-Uppers-CP-Hero-768x450

A RIFLE TO GET YOU
TO HELL AND BACK

Brownells HK416 Compatible BRN-4 Line
Explore The BRN-4
3989-Exclusive-KSPEC-Complete-Uppers-CP-Hero-1920x385
3989-Exclusive-KSPEC-Complete-Uppers-CP-Hero-746x450

NEW UPPERS FROM
KAK INDUSTRIES

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

Discover Now

Upper Receivers 92 Items

Upper Receivers Up To 29% Off— 92 Products In Stock / 27 Models

 

Sort by:
92 Results
You're viewing results for:
Products: – of 127
Number of results:
  • 32
  • 64
  • 96
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)

$1,564.00

In stock
BROWNELLS BUNDLES - M4A1 BLOCK II TRIBUTE BUNDLE BROWNELLS BUNDLES - M4A1 BLOCK II TRIBUTE BUNDLE
5 Stars
(5.0)

$1,499.00

In stock
DANIEL DEFENSE - MK18 5.56 UPPER RECEIVER GROUP COMPLETE DANIEL DEFENSE - MK18 5.56 UPPER RECEIVER GROUP COMPLETE
5 Stars
(5.0)

$1,412.00

Select Items In Stock
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
5 Stars
(5.0)

$1,187.50 - $1,282.50

Select Items 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)

$969.99 - $1,120.00

Select Items In Stock
COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS COLT - M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS
5 Stars
(5.0)

$749.99

Select Items In Stock
GEMTECH - M&P 15-22 INTEGRA SUPPRESSED UPPER RECEIVER .22LR GEMTECH - M&P 15-22 INTEGRA SUPPRESSED UPPER RECEIVER .22LR
5 Stars
(5.0)

$634.99

Online Only - In stock
Product badge
KAK INDUSTRY LLC. - 5.56X45 NATO COMPLETE UPPER RECEIVER KAK INDUSTRY LLC. - 5.56X45 NATO COMPLETE UPPER RECEIVER
5 Stars
(5.0)

$399.99

In stock
SONS OF LIBERTY GUN WORKS - BROADSWORD-89 BILLET UPPER RECEIVER SONS OF LIBERTY GUN WORKS - BROADSWORD-89 BILLET UPPER RECEIVER
5 Stars
(5.0)

$332.50

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

$260.99

In stock
ODIN WORKS INC. - AR-15 BILLET UPPER RECEIVER ODIN WORKS INC. - AR-15 BILLET UPPER RECEIVER
5 Stars
(5.0)

$160.55

In stock
SONS OF LIBERTY GUN WORKS - 5.56X45 NATO STRIPPED UPPER RECEIVER FOR AR-15 SONS OF LIBERTY GUN WORKS - 5.56X45 NATO STRIPPED UPPER RECEIVER FOR AR-15
5 Stars
(5.0)
Add to cart to see price

In stock
SPIKES TACTICAL - AR-15 9MM UPPER RECEIVER SPIKES TACTICAL - AR-15 9MM UPPER RECEIVER
5 Stars
(5.0)

$112.99

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

$899.99

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

$899.99

In stock
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

Select Items In Stock
FIGHTLITE INDUSTRIES - MCR BELT-FED UPPER RECEIVER FULL AUTO FIGHTLITE INDUSTRIES - MCR BELT-FED UPPER RECEIVER FULL AUTO
5 Stars
(4.8)
Add to cart to see price

In stock
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

Select Items In Stock
Product badge
DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.7)

$899.99

In stock
SPIKES TACTICAL - AR-15/M16 M4 UPPER RECEIVER SPIKES TACTICAL - AR-15/M16 M4 UPPER RECEIVER
5 Stars
(4.7)

$656.99

In stock
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
FN AMERICA LLC - FN15/AR 20" RIFLE UPPER RECEIVER ASSEMBLY FN AMERICA LLC - FN15/AR 20" RIFLE UPPER RECEIVER ASSEMBLY
5 Stars
(4.6)

$809.00

In stock
WILSON COMBAT - AR-15 BILLET UPPER RECEIVER WILSON COMBAT - AR-15 BILLET UPPER RECEIVER
5 Stars
(4.6)

$221.95

In stock
Product badge
DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER
5 Stars
(4.5)

$899.99

In stock
BROWNELLS - BRN-16A4 COMPLETE UPPER RECEIVER BROWNELLS - BRN-16A4 COMPLETE UPPER RECEIVER
5 Stars
(4.5)

$599.99

In stock
SONS OF LIBERTY GUN WORKS - EAST INDIA 5.56X45 ASSEMBLED UPPER RECEIVER STARTER KIT FOR AR15 SONS OF LIBERTY GUN WORKS - EAST INDIA 5.56X45 ASSEMBLED UPPER RECEIVER STARTER KIT FOR AR15
5 Stars
(4.5)

$475.00 - $498.75

Select Items In Stock
AERO PRECISION - M4E1 5.56MMX45 ASSEMBLED UPPER RECEIVERS FOR AR-15/M4 AERO PRECISION - M4E1 5.56MMX45 ASSEMBLED UPPER RECEIVERS FOR AR-15/M4
5 Stars
(4.4)

$124.99 - $159.99

Select Items In Stock
BROWNELLS - AR-15/M16 733 C7 11.5" 5.56 UPPER RECEIVER BROWNELLS - AR-15/M16 733 C7 11.5" 5.56 UPPER RECEIVER
5 Stars
(4.3)

$749.99

In stock
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

Select Items In Stock
COLT - AR15A4 UPPER RCVR ASSEMBLY, CARBINE COLT - AR15A4 UPPER RCVR ASSEMBLY, CARBINE
5 Stars
(4.1)

$175.99

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

Select Items In Stock
Products: – of 127