Recently picked up the hpa adapter for this here smc9. I can't find a straight answer for what hpa products I should get, however. Considering it's a gbb, what psi should I
Réplique SMC9 Carbine Conversion Kit G&G Armament
G and G SMC-9 with 4 mags and Primary arisoft HPA M4 mag adaptor Waterlooville - Used Airsoft ' The Leading Marketplace for Second hand and Used Airsoft Guns'