M.A.S.S. GEN.2 PENTRU M4

M.A.S.S. - Mancraft Air Stock Support - stock for M4.

It can accommodate 13ci (0,21l) HP tank.

Material: Aluminium, Anodized black.

Itself it weights around 400g (0,4kg / 0,9lb)

Stock itself can be mounted on any kind of rifle where you are able to connect standard M4 stock (also using adapters, for example for AK/G36 etc). 

Micro HRR Regulator that's included with the stock has an output pressure range of 40-250psi which is easily adjusted using 2mm allen key.

3 output possibilities will allow you to use with with almost every HPA conv kit at the market!