Arcturus 30/130 Rds AR Mod 1 M4 AEG Magazine (Tan) Gas Airsoft Sniper both the radio communication sound

both the radio communication sound and the environmental sound is coming through the earpiece

Guarder Stainless Steel Standard Hammer For Tokyo Marui Hi Capa GBB Airsoft (Silver)

5 inch barrel but the beauty of the M16 family is their ability to modify the length with a lot more options than that

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SG551 Airsoft Gun

Arcturus 30/130 Rds AR Mod 1 M4 AEG Magazine (Tan) Gas Airsoft Sniper both the radio communication soundArcturus 30 130 Rds AR Mod 1 M4 AEG Magazine (Tan) Polymer Construction (Lightweight) Able to switch between 30 and 130 rounds capacity Suitable for M4 Series Airsoft AEG Rifle Best accompanied with Plastic Bullet Loading Too or Speed Loader Suitable for 6mm Plastic Bullet only