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Material: Made of high quality aluminum
Lightweight and high strength design
CNC machining process
Hard coat anodized finish surface
Features -14mm CCW threat
Compatible with M4A1 series AEG rifle
Dimensions (cm): 20 (L)x 4 (W) x 4 (H)
Weight (gram): 300
Package includes: Barrel x 1
This 5KU Standard M4A1 Series Aluminum Outer Barrel is made of high strength aluminum material with high precision CNC machining process. It has hard anodized surface which made it more durable. It features split structure and compatible with M4A1 series AEG.