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Brownells 75th Anniversary - A Shooting Heritage
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Made In USA, 223 Remington, 6.8 mm Remington SPC, Upper Receivers

(19 items)
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M4 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$459.99 - $959.99

4.2 (38)
M4E1 SUPERLATIVE ARMS PISTON COMPLETE UPPER RECEIVER GROUPS

AERO PRECISION

(In Stock)

$789.99 - $859.99

3.0 (2)
AR-15/M16 ASSEMBLED UPPER RECEIVER

AERO PRECISION

(In Stock)

$93.49 - $97.99

4.7 (19)
AR15A4 UPPER RCVR ASSEMBLY, CARBINE

COLT

(In Stock)

$222.99

4.1 (32)
AR-15/M16 G4 SIDE CHARGING UPPER RECEIVER

GIBBZ ARMS

(In Stock)

$245.99

4.5 (15)
AR-15 A3 UPPER RECEIVER ASSEMBLY 5.56MM LEFT HAND

STAG ARMS

(In Stock)

$129.99

4.8 (5)
AR-15/M16 STRIPPED UPPER RECEIVER

AERO PRECISION

(In Stock)

$67.99

4.9 (9)
AR-15/M16 NiB-X® COATED UPPER RECEIVER

WMD GUNS

(In Stock)

$98.99

3.6 (22)
AR-15 M4E1 ENHANCED UPPER RECEIVER

AERO PRECISION

(In Stock)

$134.99

4.5 (10)
AR-15 FLATTOP UPPER RECEIVER

D.S. ARMS

(In Stock)

$81.49

4.3 (21)
AR-15 LO DRAG UPPER RECIEVER

LUTH-AR LLC

(In Stock)

$73.32

0.0
AR-15 M4 STRIPPED UPPER RECEIVER

ATI

(In Stock)

$112.49

5.0 (2)