My friend bought a new GSG5 and dressed it up using accessories meant for the airsoft MP5. We tried it out last Saturday in Bulacan. We were using the Armscor .22 LR subsonic rounds at first and there were several failures, probably because the round was too weak to effectively cycle the weapon. When we used the CCI standard velocity lead rounds, the weapon had no more failures. Target was an IPSC board at 15 meters more or less. All our shots from a standing position was inside the alpha zone (the groupings could have been better) using the iron sights (the red dot meant for airsoft couldn't maintain zero). Anyway, it was a fun gun. Hardly any recoil at all.