Save $50 On $250+ Orders w/ Code: SITE50 *some exclusions apply

Save $50 On $250+ Orders w/ Code: SITE50 *some exclusions apply

3993-Daniel-Defense-Uppers-CP-Hero-1920x385
3993-Daniel-Defense-Uppers-CP-Hero-768x450

DANIEL DEFENSE MK18
& M4A1 STRIPPED UPPERS

Just $764.99 This Week Only!
Get Yours 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 102 Items

Upper Receivers Up To 15% Off— 102 Products In Stock / 27 Models

 

Sort by:
102 Results
You're viewing results for:
Products: – of 124
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
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
DANIEL DEFENSE - DDM4V7 16" 5.56MM NATO UPPER RECEIVER BLACK DANIEL DEFENSE - DDM4V7 16" 5.56MM NATO UPPER RECEIVER BLACK
5 Stars
(5.0)

$1,208.00

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

In stock
COLT - M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS COLT - M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS
5 Stars
(5.0)

$729.99 - $999.99

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

$749.99

In stock
AERO PRECISION - M4E1 6.5 GRENDEL ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE AERO PRECISION - M4E1 6.5 GRENDEL ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE
5 Stars
(5.0)

$579.99 - $689.99

Select Items In Stock
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
5 Stars
(5.0)

$484.99 - $599.99

Select Items In Stock
AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER RIFLE LENGTH W/G2 HANDGUARD AERO PRECISION - M4E1 5.56 ASSEMBLED UPPER RECEIVER RIFLE LENGTH W/G2 HANDGUARD
5 Stars
(5.0)

$599.99

In stock
AERO PRECISION - M4E1 300BLK ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD AERO PRECISION - M4E1 300BLK ASSEMBLED UPPER RECEIVER W/ATLAS R-ONE HANDGUARD
5 Stars
(5.0)

$499.99 - $589.99

Select Items In Stock
MIDWEST INDUSTRIES, INC. - AR-15 10.5" CARBINE UPPER RECEIVER 1-7 M-LOK BLK 5.56MM MIDWEST INDUSTRIES, INC. - AR-15 10.5" CARBINE UPPER RECEIVER 1-7 M-LOK BLK 5.56MM
5 Stars
(5.0)

$579.95

In stock
AERO PRECISION - M4E1 .300BLK ASSEMBLED UPPER RECEIVER W/ATLAS S-ONE HANDGUARD AERO PRECISION - M4E1 .300BLK ASSEMBLED UPPER RECEIVER W/ATLAS S-ONE HANDGUARD
5 Stars
(5.0)

$494.99 - $554.99

Select Items In Stock
AERO PRECISION - 5.56X45 NATO ASSEMBLED UPPER RECEIVER W/BARREL FOR AR-15 AERO PRECISION - 5.56X45 NATO ASSEMBLED UPPER RECEIVER W/BARREL FOR AR-15
5 Stars
(5.0)

$355.99 - $553.09

Select Items In Stock
FAXON FIREARMS - BANTAM 9MM LUGER COMPLETE UPPER RECEIVERS FOR AR-15 FAXON FIREARMS - BANTAM 9MM LUGER COMPLETE UPPER RECEIVERS FOR AR-15
5 Stars
(5.0)

$492.20 - $506.60

Select Items In Stock
AERO PRECISION - 5.56X45MM NATO ASSEMBLED UPPER W/BARREL & PINNED FSB FOR AR-15 AERO PRECISION - 5.56X45MM NATO ASSEMBLED UPPER W/BARREL & PINNED FSB FOR AR-15
5 Stars
(5.0)

$389.99 - $414.99

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
LUTH-AR LLC - AR-15 16" LO-DRAG BULL UPPER RECEIVERS LUTH-AR LLC - AR-15 16" LO-DRAG BULL UPPER RECEIVERS
5 Stars
(5.0)

$357.15 - $385.35

Select Items 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
AERO PRECISION - M4E1 5.56MMX45 NATO STRIPPED UPPER RECEIVER FOR AR-15 AERO PRECISION - M4E1 5.56MMX45 NATO STRIPPED UPPER RECEIVER FOR AR-15
5 Stars
(5.0)

$110.99 - $154.99

Select Items 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
AERO PRECISION - 5.56MM STRIPPED UPPER RECEIVERS WITH NO AUTO SEAR CUT FOR AR-15 AERO PRECISION - 5.56MM STRIPPED UPPER RECEIVERS WITH NO AUTO SEAR CUT FOR AR-15
5 Stars
(5.0)

$119.99

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

$764.99

$899.99

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

$764.99

$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

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

$764.99

$899.99

In stock
Products: – of 124