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14.5, 9, Upper Receivers

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M4 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$519.99 - $959.99

4.2 (38)
AR-15 SUPER DUTY STRIPPED UPPER RECEIVERS 5.56MM

GEISSELE AUTOMATICS LLC

(In Stock)

$920.00 - $1,125.00

5.0 (4)
M4E1 SUPERLATIVE ARMS PISTON COMPLETE UPPER RECEIVER GROUPS

AERO PRECISION

(In Stock)

$799.99 - $1,399.99

3.0 (2)
AR-15 SUPER DUTY NANO COMPLETE UPPER RECEIVERS 5.56MM

GEISSELE AUTOMATICS LLC

(In Stock)

$1,200.00 - $1,405.00

5.0 (3)
M4 ENHANCED PATROL RIFLE 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$818.99 - $1,099.99

5.0 (3)
M4 5.56 COMPLETE MONOLITHIC UPPER RECEIVER GROUPS

COLT

(In Stock)

$944.99 - $1,240.49

4.0 (1)
AR-15 EAST INDIA UPPER RECEIVER STARTER KITS W/ COMBAT GRADE BBLS

SONS OF LIBERTY GUN WORKS

(In Stock)

$449.99

4.2 (6)
M4E1 ASSEMBLED UPPER RECEIVER 5.56 MID-LENGTH

AERO PRECISION

(In Stock)

$429.24 - $437.74

4.0 (1)
SR-15 E3 MOD 2 UPPER RECEIVERS M-LOK

KNIGHTS ARMAMENT

(In Stock)

$1,949.98 - $2,199.98

5.0 (1)
AR-15 M4E1-T 14.5" UPPER BUILD KIT 5.56MM

BROWNELLS

(In Stock)

$659.99

0.0
M4A1 STRIPPED SOCOM UPPER RECEIVER 14.5IN 5.56

DANIEL DEFENSE

(In Stock)

$944.99 - $959.99

4.6 (20)
M4 UPPER RECEIVER ASSEMBLY NO HANDGUARDS

COLT

(In Stock)

$799.99

0.0