800-741-0015

Live Chat

Live Chat

Brownells 75th Anniversary - A Shooting Heritage
Menu
Menu

Narrow By…

Made In USA, New, AR-15, Upper Receivers

(169 items)
  • then GO
  • Grid View List View
AR-15 BLEMISHED SLICKSIDE UPPER RECEIVER

BROWNELLS

(In Stock)

$139.99

4.2 (6)
BRN-180S™ AR-15 300 BLK COMPLETE UPPER RECEIVER ASSEMBLY

BROWNELLS

(In Stock)

$899.98 - $999.99

4.1 (11)
AR-15 BLEMISHED M16 A1 UPPER RECEIVER

BROWNELLS

(In Stock)

$149.99

3.5 (13)
BRN-PROTO UPPER RECEIVERS & CHARGING HANDLE

BROWNELLS

(In Stock)

$166.99 - $177.99

5.0 (6)
AR-15 9MM UPPER RECEIVERS M-LOK ASSEMBLED

FOXTROT MIKE PRODUCTS

(In Stock)

$379.99 - $429.99

4.9 (36)
M4 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$549.99 - $969.99

4.5 (23)
6MM ARC COMPLETE UPPER RECEIVER GROUPS

AERO PRECISION

(In Stock)

$749.99 - $799.99

3.8 (11)
BRN-180S™GEN 2 AR-15 UPPER W/ FOLDING BRACE 300 BLACKOUT

BROWNELLS

(In Stock)

$1,059.98

5.0 (1)
M4 ENHANCED PATOL RIFLE 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$779.99 - $1,215.99

0.0
MK18 5.56 UPPER RECEIVER GROUP COMPLETE

DANIEL DEFENSE

(In Stock)

$1,291.99

5.0 (1)
M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS

COLT

(In Stock)

$861.99

0.0
M16 R0901 5.56 COMPLETE UPPER RECEIVER GROUPS

COLT

(In Stock)

$529.99 - $729.99

0.0
AR-15/M16 G4 SIDE CHARGING UPPER RECEIVER

GIBBZ ARMS

(In Stock)

$245.99

4.6 (13)
STAG 15 5.56 16IN TACTICAL NITRIDE UPPER RECEIVERS

STAG ARMS

(In Stock)

$549.99 - $599.99

0.0
M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS

COLT

(In Stock)

$899.99 - $1,215.99

4.0 (1)
BRN-180S™ GEN 2 AR-15 UPPER W/ FOLDING BRACE 223 WYLDE

BROWNELLS

(In Stock)

$1,059.98

0.0
AR15A4 UPPER RCVR ASSEMBLY, CARBINE

COLT

(In Stock)

$211.99

4.4 (27)
FM-9 ENHANCED PISTOL UPPER RECEIVERS

FOXTROT MIKE PRODUCTS

(In Stock)

$329.00 - $349.00

0.0
AR-15 BILLET UPPER RECEIVER

WILSON COMBAT

(In Stock)

$234.95

0.0
AR-15 SAGE DYNAMICS UPPER RECEIVER ASSEMBLY 5.56

SONS OF LIBERTY GUN WORKS

(In Stock)

$1,215.99

0.0
STAG 15 5.56 10.5IN TACTICAL NITRIDE UPPER RECEIVERS

STAG ARMS

(In Stock)

$524.99 - $574.99

0.0
STAG 15 5.56 M4 UPPER RECEIVERS

STAG ARMS

(In Stock)

$449.99 - $499.99

0.0
STAG 15 5.56 7.5IN TACTICAL NITRIDE UPPER RECEIVERS

STAG ARMS

(In Stock)

$499.99 - $549.99

0.0
SR-15 E3 MOD 2 UPPER RECEIVERS M-LOK

KNIGHTS ARMAMENT

(In Stock)

$1,949.98 - $2,199.98

5.0 (1)
AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM

GEISSELE AUTOMATICS LLC

(In Stock)

$800.00 - $1,025.00

5.0 (3)
AR-15 223 WYLDE COMPLETE UPPER RECEIVER GROUPS

RADIAN WEAPONS

(In Stock)

$1,219.99

0.0
FM-9 ENHANCED FORWARD CHARGING UPPER RECEIVERS

FOXTROT MIKE PRODUCTS

(In Stock)

$399.00 - $459.00

5.0 (2)
M4E1 ASSEMBLED UPPER RECEIVER 5.56 MID-LENGTH

AERO PRECISION

(In Stock)

$474.99 - $499.99

4.0 (1)
DDM4 300s 10.3" 300 AAC BLACKOUT UPPER RECEIVER BLACK

DANIEL DEFENSE

(In Stock)

$1,236.99

0.0
M4 UPPER RECEIVER 5.56 SOCOM BARREL

COLT

(In Stock)

$629.99

0.0
AR-15 SUPER DUTY NANO COMPLETE UPPER RECEIVERS 5.56MM

GEISSELE AUTOMATICS LLC

(In Stock)

$1,080.00 - $1,305.00

5.0 (2)
KE-15 STRIPPED UPPER RECEIVER 5.56MM

KE ARMS LLC

(In Stock)

$89.96

0.0
AR-15 FM-45 COMPLETE UPPER RECEIVERS

FOXTROT MIKE PRODUCTS

(In Stock)

$379.99 - $439.99

4.8 (6)
AR-15 M4E1 ASSEMBLED UPPER RECEIVER 5.56MM

AERO PRECISION

(In Stock)

$119.99

4.0 (6)
AR-15 SLH M-LOK ASSEMBLED UPPER RECEIVER

MIDWEST INDUSTRIES, INC.

(In Stock)

$535.99

3.0 (2)
AR-15/M4 FLATTOP UPPER RECEIVER ASSEMBLY

BRAVO COMPANY

(In Stock)

$119.99

4.3 (12)
AR-15 M4E1 STRIPPED UPPER RECEIVER 5.56MM

AERO PRECISION

(In Stock)

$99.99

5.0 (2)
STAG 15 300 BLACKOUT 8IN UPPER RECEIVERS

STAG ARMS

(In Stock)

$499.99 - $549.99

0.0
AR-15 M4E1 ENHANCED UPPER RECEIVER

AERO PRECISION

(In Stock)

$154.99

4.5 (8)
AR-15 MK1 MOD 1-M UPPER RECEIVER ASSEMBLY 223 WYLDE M-LOK

PRIMARY WEAPONS

(In Stock)

$999.95 - $1,049.98

0.0
AR-15/M16 MODULAR UPPER RECEIVER

VLTOR WEAPON SYSTEMS

(In Stock)

$174.99 - $199.99

4.3 (13)
AR-15 COMPLETE UPPER RECEIVERS 9MM

FAXON FIREARMS

(In Stock)

$508.25 - $522.50

0.0
AR-15 UPPER RECEIVER ASSEMBLED NO AUTO SEAR CUT

AERO PRECISION

(In Stock)

$153.99 - $169.99

0.0
STAG 15 223 VARMINTER UPPER RECEIVERS

STAG ARMS

(In Stock)

$499.99 - $549.99

5.0 (1)
AR-15 M4 STRIPPED UPPER RECEIVER

ATI

(In Stock)

$106.99

5.0 (2)
AR-15 MK12 MOD 0 GEN III UPPER RECEIVER

PRECISION REFLEX, INC.

(In Stock)

$1,761.99

0.0
STAG 15 300 BLACKOUT 16IN UPPER RECEIVERS

STAG ARMS

(In Stock)

$549.99 - $599.99

0.0
AR-15 A3 UPPER RECEIVER ASSEMBLY 5.56MM LEFT HAND

STAG ARMS

(In Stock)

$129.99

5.0 (2)
M4A1 STRIPPED SOCOM UPPER RECEIVER 14.5IN 5.56

DANIEL DEFENSE

(In Stock)

$899.99

4.4 (5)
AR-15 MK57 BANSHEE 100 UPPER RECEIVER 5.7X28MM

CMMG

(In Stock)

$749.95

0.0
AR-15 PSC-11 SIDE CHARGE GUNSMITH KIT

J P ENTERPRISES

(In Stock)

$854.99

5.0 (1)
M4E1 ASSEMBLED UPPER RECEIVER .300 BLACKOUT BLACK

AERO PRECISION

(In Stock)

$444.99 - $509.99

0.0
M4E1-T ATLAS R-ONE COMPLETE UPPER RECEIVERS 10.5" 5.56MM

AERO PRECISION

(In Stock)

$434.99 - $464.99

5.0 (1)
AR-15 SP223 UPPER RECEIVER

SEEKINS PRECISION

(In Stock)

$239.99

5.0 (1)
AR-15 5.56 16" BLACK DIAMOND SPECTER UPPER RECEIVER

YANKEE HILL MACHINE CO., INC.

(In Stock)

$1,090.99

4.5 (4)
STAG 15 5.56 18IN 3GUN ELITE UPPER RECEIVERS

STAG ARMS

(In Stock)

$599.99 - $649.99

3.5 (2)
AR-15/M16 NiB-X® COATED UPPER RECEIVER

WMD GUNS

(In Stock)

$98.99

3.8 (19)
KE-9 STRIPPED UPPER RECEIVER 9MM

KE ARMS LLC

(In Stock)

$89.96

0.0
KE-15 UPPER RECIEVER W/ FORWARD ASSIST & DUST COVER

KE ARMS LLC

(In Stock)

$116.96

0.0
AR-15 UPPER RECEIVER ASSEMBLY 300BLK NO BCG

ANDERSON MANUFACTURING

(In Stock)

$281.99

5.0 (3)
AR-15 SD MOD 5 9MM UPPER RECEIVERS M-LOK COMPLETE

STERN DEFENSE, LLC

(In Stock)

$470.99 - $486.99

5.0 (1)
AR15 CMT BILLET UPPER RECEIVER .458 SOCOM

CROSS MACHINE TOOL CO., INC.

(In Stock)

$210.99

0.0
M4E1 ASSEMBLED UPPER RECEIVER 10.5" 5.56MM CARBINE LENGTH

AERO PRECISION

(In Stock)

$439.99 - $444.99

5.0 (2)
AR-15/M16 M4 UPPER RECEIVER

SPIKES TACTICAL

(In Stock)

$625.99

4.7 (3)
AR-15 BILLET UPPER RECEIVER

FORWARD CONTROLS DESIGN LLC

(In Stock)

$196.65

0.0
AR-15 UPPER RECEIVER LITHIUM ALUMINUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$338.99

5.0 (1)
AR-15/M16 STRIPPED UPPER RECEIVER

AERO PRECISION

(In Stock)

$79.99 - $89.99

4.9 (6)
AR-15 C7 STRIPPED UPPER RECEIVER

BROWNELLS

(In Stock)

$133.99

3.4 (24)
DDM4V7 16" 5.56MM NATO UPPER RECEIVER BLACK

DANIEL DEFENSE

(In Stock)

$1,008.99

0.0
AR-15 TSAR-223 UPPER RECEIVER

TACTICAL SOLUTIONS, LLC

(In Stock)

$999.00

0.0
AR-15 BILLET UPPER RECEIVER

ODIN WORKS INC.

(In Stock)

$154.99 - $170.99

0.0
9MM BILLET UPPER RECEIVER

ODIN WORKS INC.

(In Stock)

$122.99

0.0
DDM4V7 S 11.5" 5.56MM NATO UPPER RECEIVER BLACK

DANIEL DEFENSE

(In Stock)

$1,111.99

0.0
AR-15 MK4 BANSHEE 300 UPPER RECEIVER 5.7X28MM

CMMG

(In Stock)

$724.95

0.0
AR-15 SD MOD 4 9MM UPPER RECEIVER 4IN M-LOK COMPLETE

STERN DEFENSE, LLC

(In Stock)

$429.99

5.0 (1)
458 SOCOM STRIPPED UPPER RECEIVER

ANDERSON MANUFACTURING

(In Stock)

$73.99

5.0 (1)
AR-15 UPPER RECIEVER ASSEMBLED

SHARPS BROS

(In Stock)

$198.99

0.0
AR-15 M4 STRIPPED UPPER RECEIVER BLACK

BROWNELLS

(In Stock)

$69.99

4.4 (26)
AR-15 BILLET UPPER RECEIVER W/O FORWARD ASSIST

FORWARD CONTROLS DESIGN LLC

(In Stock)

$187.15

0.0
AR-15/M16 ASSEMBLED UPPER RECEIVER

AERO PRECISION

(In Stock)

$99.99 - $109.99

4.7 (19)
AR-15 MK57 RESOLUTE 100 UPPER RECEIVER 5.7X28MM

CMMG

(In Stock)

$824.95

0.0
AR 308 MK2 MOD 1-M UPPER RECEIVER 6.5 CREEDMOOR M-LOK

PRIMARY WEAPONS

(In Stock)

$1,399.95

0.0
AR-15 ASSEMBLED XL UPPER RECEIVER

AERO PRECISION

(In Stock)

$104.99

4.0 (3)
A4 9MM UPPER RECEIVER

ROCK RIVER ARMS

(In Stock)

$692.99

5.0 (2)
AR-15 14.5 COMPLETE UPPER RECEIVER

COLT

(In Stock)

$1,337.99

5.0 (1)
AR-15 UPPER RECEIVER STRIPPED 5.56

FOSTECH OUTDOORS, LLC.

(In Stock)

$95.99

0.0
AR-15 FORGED UPPER RECEIVER

GREY GHOST PRECISION

(In Stock)

$104.99

5.0 (1)
AR-15 MK4/MK9 UPPER RECEIVER 22LR

CMMG

(In Stock)

$124.58

0.0
AR-15 9MM UPPER RECEIVER

SPIKES TACTICAL

(In Stock)

$112.99

5.0 (1)
AR-15 LIGHTWEIGHT UPPER RECEIVER W/ COMBAT RAIL HANDGUARDS

MIDWEST INDUSTRIES, INC.

(In Stock)

$579.99 - $584.99

0.0
M4E1 ASSEMBLED UPPER RECEIVER 16" 5.56 CARBINE LENGTH

AERO PRECISION

(In Stock)

$494.99

4.0 (1)
AR-15 M16 A1 UPPER RECEIVER

BROWNELLS

(In Stock)

$149.99

4.2 (20)
AR-15 SLICKSIDE UPPER RECEIVER

BROWNELLS

(In Stock)

$149.99

2.9 (14)
AR-15 16" UPPER ASSEMBLY 300 BLK HBAR HYBRID RAIL NO BCG OR CH

RADICAL FIREARMS

(In Stock)

$291.99

4.5 (2)
AR-15 UPPER RECEIVER ASSEMBLY 300 BLACKOUT 16"

RADICAL FIREARMS

(In Stock)

$244.99

4.5 (11)
AR-15 STRIPPED XL UPPER RECEIVER

AERO PRECISION

(In Stock)

$79.99

5.0 (1)