Technology for a sustainable future: Modifying an airsoft HK 416 UMAREX with 11,1V for increased rate of fire: from 13 bps to 18 bps

Technology for a sustainable future: Modifying an airsoft HK 416 UMAREX with 11,1V for increased rate of fire: from 13 bps to 18 bps

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Umarex HK Heckler & Koch HK416 AEG 6mm BB Rifle Airsoft Gun, Black : Airsoft Rifles : Sports & Outdoors

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Umarex HK Heckler & Koch HK416 AEG 6mm BB Rifle Airsoft Gun, Black : Airsoft Rifles : Sports & Outdoors

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Umarex HK Heckler & Koch HK416 AEG 6mm BB Rifle Airsoft Gun, Black : Airsoft Rifles : Sports & Outdoors