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Spooky Savings Up To 30% Off | Shop Now

9mm AR-15 Build Kits and Assemblies

10 products

Doorbuster

AT3 Tactical AT-15 M-LOK Builder Set - Lower, Upper, and SPEAR M-LOK Handguard

AT3™ AT-15 M-LOK Builder Set – Anodized and Cerakote

RECOMMENDED

+125 options

(9)

AT3 Tactical AT-15 Quad Rail Builder Set - Lower, Upper, and Pro Quad Rail Handguard

AT3™ AT-15 Quad Rail Builder Set – Anodized and Cerakote

RECOMMENDED

32 options

(6)

10% off

AT3 AR-9 Barrel Builder Kit – 8.3″ 9mm Straight Profile Barrel & BCG

20% off

AT3 Tactical 10.5 Inch 9mm Complete AR-15 Upper Assembly - No BCG or Charging Handle copy

AT3™ 10.5 Inch Assembled PCC AR-15 Upper – 9mm 10.5 Inch Faxon Firearms Barrel – No BCG/CH

DAILY DEAL

8 options

(3)

AT3 Tactical 16 Inch 300 BLK Complete AR-15 Upper Assembly - No BCG or Charging Handle

AT3™ 16 Inch Assembled AR-15 PCC Upper – 9mm 16 Inch Faxon Firearms Barrel – No BCG/CH

8 options

(4)

Luth-AR Mil-Spec 9mm Buffer Tube Assembly for AR-15 - AT3 Tactical

Luth-AR Mil-Spec 9mm Buffer Tube Assembly for AR-15

AT3™ 10.5 Inch Assembled PCC AR-15 Upper – 9mm 10.5 Inch Faxon Firearms Barrel – No BCG/CH - w/Sylvan Magazine Block

AT3™ 10.5 Inch Assembled PCC AR-15 Upper – 9mm 10.5 Inch Faxon Firearms Barrel – No BCG/CH – w/Sylvan Magazine Block – 8 Colors

8 options

AT3™ 16 Inch Assembled AR-15 PCC Upper – 9mm 16 Inch Faxon Firearms Barrel – No BCG/CH - w/Sylvan Magazine Block

AT3™ 16 Inch Assembled AR-15 PCC Upper – 9mm 16 Inch Faxon Firearms Barrel – No BCG/CH – w/Sylvan Magazine Block – 8 Colors

8 options

AT3 10.5" 9mm PCC AR-15 JNL Ready Build Kit

AT3 10.5″ 9mm PCC AR-15 JNL Ready Build Kit

AT3™ 9MM 16″ Assembled Upper – 2A Basics ASAL Handguard – No BCG/Charging Handle - w/Sylvan Magazine Block

AT3™ 9MM 16″ Assembled Upper – 2A Basics ASAL Handguard – No BCG/Charging Handle – w/Sylvan Magazine Block