AT3 Tactical AR-15 Lower Build Kit – UTG Furniture
Features
- Includes the parts needed to complete a stripped AR-15 lower receiver with UTG furniture
- UTG Ultra Slim pistol grip and UTG Pro Ops Ready S4 stock give this kit a compact, no-bulk furniture setup
- 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
- Good fit for builders who want a complete lower parts package with slim, practical furniture
The AT3 Tactical AR-15 Lower Build Kit with UTG Furniture gives you the parts needed to finish a stripped AR-15 lower receiver with a slim, practical furniture setup. It combines standard lower controls, fire control springs and pins, a carbine buffer assembly, STNGR trigger guard, UTG Ultra Slim pistol grip, and UTG Pro Ops Ready S4 stock for a straightforward general-purpose lower build.
Note: This kit is not assembled. Stripped lower receiver is not included.
Specifications
- Brand: AT3 Tactical
- Model: AR-15 Lower Build Kit – UTG Furniture
- MPN: AT3-AR15-LWRBK-UTGF
- Platform: AR-15
- Control Type: Mil-Spec
- Stock: UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock
- Grip: UTG Ultra Slim AR-15 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 UTG Ultra Slim AR-15 Pistol Grip – Black
- 1x UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock – Black


