.223/5.56 AR-15 Build Kits and Assemblies

58 products

Midwest Industries 10.5 Inch Complete Upper with 9.25 Inch Combat Rail - AT3 Tactical

Midwest Industries 10.5 Inch Assembled AR-15 Upper with 9.25 Inch Combat Rail – No BCG/CH

Spike’s Tactical Complete Assembled AR-15 Upper Receiver with 16 Inch Midlength 5.56 NATO FN Barrel

Sons of Liberty Gun Works M4-EXO3 13.7 Inch Pinned and Welded Complete 5.56 NATO Upper Receiver - AT3 Tactical

Sons of Liberty Gun Works M4-EXO3 13.7 Inch Pinned and Welded Assembled 5.56 NATO Upper Receiver – No BCG/CH

(1)

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH - 3 Colors

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch VYPR® Handguard, BCG & CH – 3 Colors

NEW

3 options

10% off

STNGR HWK Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch HWK® Handguard, BCG & CH

3 options

STNGR RPTR Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch RPTR® Handguard, BCG & CH

3 options

(1)

10% off

STNGR VLCN Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Can - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 12.5 Inch VLCN® Handguard, BCG & CH

3 options

STNGR VLCN Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Black

STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10.5 Inch VLCN® Handguard, BCG & CH

3 options

AT3™ Assembled Upper for AR-15 - 5.56 NATO - 16" Barrel - 9" Free Float Quadrail - No BCG/CH. - 3 Colors

AT3™ Assembled Upper for AR-15 – 5.56 NATO – 16″ Barrel – 9″ Free Float Quadrail – No BCG/CH. – 3 Colors

3 options

AT3™ Assembled Forged Upper for AR-15 - 5.56 NATO - 16" Barrel - 9" Free Float Quadrail - No BCG/CH - 3 Colors

AT3™ Assembled Forged Upper for AR-15 – 5.56 NATO – 16″ Barrel – 9″ Free Float Quadrail – No BCG/CH – 3 Colors

3 options