800-741-0015

Live Chat

Live Chat

Brownells 75th Anniversary - A Shooting Heritage
Menu
Menu

Narrow By…

AR-15, 300.00 TO 799.99, Upper Receivers

(59 items)
  • then GO
  • Grid View List View
M4 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$459.99 - $959.99

4.2 (38)
AR-15 M4 UPPER RECEIVERS M-LOK 5.56MM

BROWNELLS

(In Stock)

$299.99 - $389.99

3.0 (2)
FM-9 ENHANCED FORWARD CHARGING UPPER RECEIVERS

FOXTROT MIKE PRODUCTS

(In Stock)

$379.99 - $399.99

4.9 (7)
M4E1 SUPERLATIVE ARMS PISTON COMPLETE UPPER RECEIVER GROUPS

AERO PRECISION

(In Stock)

$789.99 - $859.99

3.0 (2)
M16 R0901 5.56 COMPLETE UPPER RECEIVER GROUPS

COLT

(In Stock)

$556.49 - $719.99

4.7 (3)
M4E1-T ATLAS S-ONE COMPLETE UPPER RECEIVERS 11.5" 5.56MM

AERO PRECISION

(In Stock)

$389.99

5.0 (2)
M4E1-T ATLAS R-ONE COMPLETE UPPER RECEIVERS 5.56MM

AERO PRECISION

(In Stock)

$395.24 - $414.99

5.0 (1)
FN15/AR 20" RIFLE UPPER RECEIVER ASSEMBLY

FN

(In Stock)

$769.00

4.7 (6)
AR-15 9MM UPPER RECEIVERS M-LOK ASSEMBLED

FOXTROT MIKE PRODUCTS

(In Stock)

$349.99

4.9 (39)
STAG 15 5.56 16IN TACTICAL NITRIDE UPPER RECEIVERS

STAG ARMS

(In Stock)

$459.99

0.0
AR-15 M4 BUILD KIT M-LOK 5.56MM

BROWNELLS

(In Stock)

$529.99

0.0
AR-15 LE6960-CCU UPPER RECEIVER 5.56 M-LOK

COLT

(In Stock)

$669.99

4.1 (17)