Big Fall Sale – Save up to 35% | Shop Now

Big Fall Sale – Save up to 35% | Shop Now

Flat Dark Earth .223 and 5.56 AR-15 Parts

Need FDE .223/5.56 AR Parts? AT3 has you covered – with fast & free shipping, hassle-free returns, and friendly customer service.

Showing 1–24 of 101 results

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Sale!

AT3 Tactical Flatline AR-15 Rifle - 5.56 NATO - Flat Dark Earth

(1)

AT3™ AT-15 FLATLINE Rifle 16 Inch 5.56 NATO – 15 Inch M-LOK Handguard

Sale!

AT3 Tactical SPEAR M-LOK Handguard - 9 Inch Flat Dark Earth

(727)

AT3™ SPEAR Free Float AR-15 Handguard – 9, 12, & 15 Inch – M-LOK

Sale!

AT3™ Pro Quad Rails - Free Float AR15 Handguards - FDE

(308)

AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny

RECOMMENDED

Sale!

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - RPTR Handguard, Flat Dark Earth

(1)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ RPTR® Handguard, BCG & CH

RECOMMENDED

Sale!

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - VYPR Handguard, Flat Dark Earth

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ VYPR® Handguard, BCG & CH

Sale!

(23)

Magpul Cerakote PMAG AR-15 Magazine – 30 Round – FDE, ODG, and Pink Coated by AT3

Sale!

Magpul MOE M-LOK Carbine Length Handguard for AR-15 - MAG424 - FDE

(85)

Magpul MOE Drop-In AR-15 Handguard – Carbine Length – M-LOK – MAG424

Sale!

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - HWK Handguard, Flat Dark Earth

(2)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ HWK® Handguard, BCG & CH

RECOMMENDED

Sale!

STNGR Complete AR-15 Upper Receiver with 16 Inch Barrel, BCG and Charging Handle - VLCN Handguard, Flat Dark Earth

(1)

STNGR 16″ .223 Wylde Complete Assembled Upper Receiver w/ 15″ VLCN® Handguard, BCG & CH

Sale!

STNGR HWK Complete 5.56 Pistol Upper with 12.5 Barrel and Flash Can - Flat Dark Earth

STNGR 12.5 Inch 5.56 Complete Assembled Upper w/ 13.5 Inch HWK® Handguard, BCG & CH

Sale!

STNGR HWK Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Flat Dark Earth

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

Sale!

STNGR RPTR Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Flat Dark Earth

(1)

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

Sale!

STNGR VLCN Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Hider - Flat Dark Earth

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

Sale!

STNGR VLCN Complete 5.56 Pistol Upper with 11.5 Barrel and Flash Can - Flat Dark Earth

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

Sale!

(93)

AT3™ Mil Spec Buffer Tube Kit For AR-15 – 9 Colors Available

Sale!

STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH

STNGR 14.5 Inch 5.56 Complete Upper w/ 15 Inch HWKXL® Handguard, BCG & CH

Sale!

AT3 Tactical Rifle Kit with Lightweight Barrel FDE

(7)

AT3 Tactical 16″ 5.56 NATO Pencil Barrel AR-15 JNL Ready Build Kit – M-LOK / Magpul CTR

Troy Carbine Length Battle Rail AR-15 Drop-In Quad Rail

(20)

Troy Carbine Length Battle Rail AR-15 Drop-In Quad Rail

Duramag AR-15 30 Round Aluminum Magazine - .223/5.56 NATO

(2)

Duramag Speed .223/5.56 NATO AR-15 Magazine – Aluminum – 30 Round – Orange Follower

FDE Warhammer with BCG

(54)

AT3™ Black Nitride 5.56 Bolt Carrier Group with Breek Arms Warhammer AR-15 Charging Handle

RECOMMENDED

(9)

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

(12)

Hexmag Shorty Compliant .223/5.56 NATO AR-15 Magazine – 10 Round

RECOMMENDED

AT3 Tactical AT-15 Quad Rail Builder Set - Upper, Lower, and Handguard - 15 Inch - Flat Dark Earth

(6)

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

(9)

Hexmag Shorty .223/5.56 NATO AR-15 Magazine – 20 Round