VFC HK416A5 V3 GBB Airsoft RifleThe HK416 A5 is a further development of the HK416 assault rifle in 5. 56 x 45 mm NATO caliber. The most striking changes compared to its previous versions as well as to market available AR platforms include an improved and tool less gas regulator for suppressor use, a redesigned, user friendly lower receiver, which allows complete ambidextrous operation of the weapon and ensures optimized magazine compatibility, as well as numerous technical