AT3 Tactical AR-15 Lower Build Kit – FAB Defense Furniture
Features
- Includes the parts needed to complete a stripped AR-15 lower receiver with FAB Defense furniture
- FAB Defense AG-43 grip gives the lower a more ergonomic grip angle and hand-filling shape than a basic A2 grip
- FAB Defense GL-CORE stock fits mil-spec and commercial buffer tubes for broader stock compatibility
- Includes mil-spec lower controls, fire control springs and pins, and lower receiver small parts
- Carbine buffer assembly includes buffer tube, buffer spring, 3.0 oz carbine buffer, castle nut, and end plate
The AT3 Tactical AR-15 Lower Build Kit with FAB Defense Furniture gives you the parts needed to finish a stripped AR-15 lower receiver with a more ergonomic furniture setup. It combines standard lower controls, fire control springs and pins, a carbine buffer assembly, STNGR trigger guard, FAB Defense AG-43 pistol grip, and FAB Defense GL-CORE buttstock for a practical lower build with upgraded handling parts.
Note: This kit is not assembled. Stripped lower receiver is not included.
Specifications
- Brand: AT3 Tactical
- Model: AR-15 Lower Build Kit – FAB Defense Furniture
- MPN: AT3-AR15-LWRBK-FABDF
- Platform: AR-15
- Control Type: Mil-Spec
- Stock: FAB Defense GL-CORE Buttstock
- Grip: FAB Defense AG-43 Tactical Ergonomic Pistol Grip
- Trigger Guard: STNGR Mil-Spec 7075 Trigger Guard Assembly
- Buffer System: Carbine buffer assembly
- Buffer Weight: 3.0 oz
- Color: Black
What’s Included
- 1x AT3 AR-15 Mil-Spec Bolt Catch – Black
- 1x AT3 Mil-Spec AR-15 Bolt Catch Plunger
- 1x AT3 Mil-Spec AR-15 Bolt Catch Pin
- 1x AT3 Mil-Spec AR-15 Bolt Catch Spring
- 1x AT3 Mil-Spec AR-15 Buffer Retainer
- 1x AT3 Mil-Spec AR-15 Buffer Retainer Spring
- 1x AT3 Mil-Spec AR-15 Magazine Catch – Black
- 1x AT3 Mil-Spec AR-15 Magazine Catch Button – Black
- 1x AT3 Mil-Spec AR-15 Magazine Catch Spring
- 1x AT3 Mil-Spec AR-15 Pivot Pin – Black
- 2x AT3 Mil-Spec AR-15 Pivot Pin/Takedown Pin Detent
- 2x AT3 Mil-Spec AR-15 Pivot Pin/Takedown Pin Detent Spring
- 1x AT3 Mil-Spec AR-15 Safety Selector – Black
- 1x AT3 Mil-Spec AR-15 Selector Detent
- 1x AT3 Mil-Spec AR-15 Selector Detent Spring
- 1x AT3 Mil-Spec AR-15 Takedown Pin – Black
- 1x AT3 Mil-Spec AR-15 Pistol Grip Screw
- 1x AT3 Carbine Buffer – 3.0 oz
- 1x AT3 Carbine Buffer Spring for AR-15
- 1x AT3 Castle Nut for AR-15 Buffer Tubes – Black
- 1x AT3 Mil-Spec Buffer Tube – AR-15 – Black
- 1x AT3 Mil-Spec End Plate for AR-15 – Black
- 1x AT3 Mil-Spec AR-15 Disconnector Spring
- 1x AT3 Mil-Spec AR-15 Hammer Spring
- 2x AT3 Mil-Spec AR-15 Hammer/Trigger Pin
- 1x AT3 Mil-Spec AR-15 Trigger Spring
- 1x AT3™ GI Mil-Spec AR-15 Trigger – Curved
- 1x STNGR Mil-Spec 7075 Trigger Guard Assembly
- 1x FAB Defense AG-43 Tactical Ergonomic Pistol Grip for AR-15/M4/M16 – Black
- 1x FAB Defense AR-15/M4 GL-CORE Buttstock – Black


