106 mm

Description

Double base seven perforated propellant cylindrical grain, category M26 is a kind of double base propellant containing Nitrocellulose (NC), Nitroglycerine (NG), Barium Nitrate, Potassium Nitrate, Centralite and Graphite (as glazing agent). This propellant is used in 106mm anti-tank and anti-personnel ammunitions for M40 recoilless gun. TECHNICAL SPECIFICATIONSAverage length (L)13 ± 1 mmDiameter (D)5.5 ± 0.5 mmWeb (W)0.9 ± 0.1 mmPerforation diameter (d)0.55 ± 0.05 mmTotal volatilesMax. 0.7 %Chemical stability (120 °C )40 min.Heat of explosion (Max.)1020 cal/gr  BALLISTIC SPECIFICATIONSTested itemsAntitankAntipersonnelTotal charge (gr)~3600~3800Mean Muzzle Velocity (m/s)503 ± 15485 ± 15Average Pressure at 21°C (kg/cm²)≤ 680≤ 680Std. Dev. of Velocity (m/s)≤ 3.5≤ 3.5