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.

101 products

Daniel Defense M4A1 URG 14.5 Inch Pinned and Welded Complete 5.56 AR-15 Upper Receiver - AT3 Tactical

Daniel Defense M4A1 URG 14.5 Inch Pinned and Welded Complete Assembled 5.56 AR-15 Upper Receiver

Open Box Return -STNGR 11.5 Inch 5.56 Complete Assembled Upper w/ 10 Inch RPTR® Handguard, BCG & CH – Black

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Open Box Return -AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny – Od-green-2, 15-inch

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Open Box Return -AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny – Flat-dark-earth, 9-inch

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Open Box Return -AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny – Od-green-2, 9-inch

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Open Box Return -AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny – Tungsten, 7-inch

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Open Box Return -AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny – Black, 15-inch

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Open Box Return -AT3™ Pro Quad Rail Free Float AR-15 Handguard – 7, 9, 12, & 15 Inch – Picatinny – Black, 9-inch

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Open Box Return -Lancer L5AWM GEN 2 Advanced Warfighter .223/5.56 NATO AR-15 Magazine – 30 Round – Flat-dark-earth

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Open Box Return -Lancer L5AWM GEN 2 Advanced Warfighter .223/5.56 NATO AR-15 Magazine – 30 Round – Translucent-smoke

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Springfield SAINT Victor V2 AR-15 Rifle – .223/5.56 – 16" Barrel – B5 Furniture - MLOK Freefloat Handguard - 30 Round - FDE

Springfield SAINT Victor V2 AR-15 Rifle – .223/5.56 – 16″ Barrel – B5 Furniture – MLOK Freefloat Handguard – 30 Round – FDE

Aero Precision ATLAS R-ONE free Float Handguard – M-LOK – Full Top Rail – 6 Lengths Available

29 options

(19)

Daniel Defense MK18 10.3″ 5.56 NATO Complete Upper Receiver – RIS II – Multiple Colors

NEW

2 options

Aero Precision Atlas S-One Free Float AR-15 Handguard – M-LOK – 6 Lengths Available

+129 options

(11)

Aero Precision Gen 2 Enhanced Free Float AR-15 Handguard – M-LOK – 2 Lengths Available

9 options

(4)

10% off

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

3 options

STNGR RPTR 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 RPTR® Handguard, BCG & CH

3 options

(1)

Aero Precision M4E1 16" Complete AR15 MLOK Mid-Length Free-Float Upper - .223/5.56

Aero Precision M4E1 16″ Assembled AR-15 MLOK Mid-Length Free-Float Upper – .223/5.56 – No BCG/CH

2 options

Aero Precision Gen 2 AR-15 Stripped Lower Receiver - FDE

Aero Precision X15 AR-15 Gen 2 Stripped Lower Receiver

5 options

(7)

Lancer L5AWM Advanced Warfighter .223 Rem/556NATO AR-15 Magazine – 20 Round

5 options

(5)

10% off

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

3 options

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

3 options

Geissele Super Duty MOD1 16 Inch 5.56mm Complete Assembled AR-15 Upper

2 options

Aero Precision 16" Complete AR15 Magpul SL FSP Mid-Length Upper - .223/5.56

Aero Precision 16″ Assembled AR-15 Magpul SL FSB Mid-Length Upper – .223/5.56 – No BCG/CH

2 options