Air Volume Calculator The Standard TM Spec VSR10 Cylinder Volume: 35864 mm Airsoft Volume & Ratio Calculators Cylinder Volume Calculator Cylinder Diameter (mm): Standard Cylinder = 24.0mm Bore Up = 24.7mm Custom Cylinder Length (mm): Standard Cylinder Length = 72mm 95% = 68.40mm 90% = 64.80mm 85% = 61.20mm 80% = 57.60mm 75% = 54.00mm 70% = 50.40mm 65% = 46.80mm 60% = 43.20mm 55% = 39.60mm 50% = 36.00mm 45% = 32.40mm 40% = 28.80mm 35% = 25.20mm 30% = 21.60mm 25% = 18.00mm SR25/R85/PSG-1(V2.5) = 82mm Custom Cylinder Head + Sorbo (mm): Standard = 7.20mm AOE = 8.70mm Custom Piston Head + AOE (mm): Standard = 7.70mm AOE = 8.70mm Custom Calculate Cylinder Volume Barrel Volume Calculator Barrel Diameter (mm): 6.00mm 6.01mm 6.02mm 6.03mm 6.05mm 6.23mm Custom Barrel Length (mm): 100mm 140mm 150mm 200mm 210mm 230mm 250mm 260mm 270mm 280mm 290mm 310mm 320mm 350mm 370mm 410mm 430mm 455mm 510mm 590mm 650mm Custom Calculate Barrel Volume CV / BV Ratio Calculator Cylinder Volume (mm³): Barrel Volume (mm³): Calculate Ratio Best BB Weight Calculator CV / BV Ratio: Calculate Best BB Weight Barrel Length Calculator Cylinder Volume (mm³): Barrel Diameter (mm): 6.00mm 6.01mm 6.02mm 6.03mm 6.05mm 6.23mm Custom BB Weight (g): 0.20g 0.23g 0.25g 0.28g 0.30g 0.32g 0.36g 0.40g 0.43g 0.45g 0.48g 0.50g 0.58g 0.62g 0.68g Custom Calculate Barrel Length