BOLT MP5 SWAT MPD B.R.S.S. AEG & chrono.

Measured with Rockets Professional 0,20 g BB & iPower 11,1 V/1100 mAh LiPo battery & M115 spring (with the original spring it was : 95 m/s and at the same time, the manufacturer stated on the attached protocol: 115 m/s ! )Distance : 6 m.Weight with magazine : +- 3200 g.B.R.S.S. recoil ON / OFF. B.R.S.S. = bolt recoil shock system.