For players who like to be in the thick of the fight, this CQB M4 platform is perfect for you. Select your choice of metal or polymer receivers, and build your perfect CQB platform. If you haven't had enough …

Atlas Custom Works 14.5" Diamond Head Style M4 AEG (Color: Black) SKU: IU-DHM4-NB $299.00 $159.00 Add to Cart

Let Airsoft Megastore's experienced technicians assemble your custom built airsoft gun, ensuring that all components are properly installed and the gun performs at expected levels.

Shop CNC aluminum slides, inner barrels, hop-up units, triggers, guide rods, and recoil springs from top brands like CowCow, Dr. Black, Poseidon, Action Army, and LayLax—all compatible with popular …

Custom Oracle - MAYO GANG MGC4 MK3 FULL METAL M4 AEG W/ ETU AIRSOFT RIFLE (BLACK) SKU: DR-LT-340B10-G4-GI $769.00 Add to Cart

Atlas Custom Works 8 Inch M4 Carbine Outer Barrel for Airsoft AEGs (Color: Black)

Build your custom GBBR with our industry first Airsoft Gun Builder

Build it from scratch! The Golden Eagle Airsoft M4 AEG Upper and Lower Receiver Kit is a perfect and affordable option for building a custom M4 AEG Rifle.

Available now, the Custom Brimstone Lancer Tactical Archon 9 inch M LOK Proline Series M4 Airsoft Rifle with Delta Stock is built for players who want high performance and reliable durability in a …

Custom Infamous Angel M4 AEG with full metal build, 390-400 FPS, Nebula2 MOSFET, and premium upgrades for elite airsoft performance in tan and black.