M203 Red Bag
Full Charge Long Range propellant
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RESTRICTED / MILITARY USE ONLY
STEC ARMOUR MALAYSIA
O F F I C I A L D E F E N C E P R O C U R E M E N T & T E C H N I CA L CATA LO G U E
TECHNICAL SPECIFICATIONS OF 155MM M203 PROPELLING CHARGE
Designation: Charge, Propelling, 155mm, M203 (Red Bag, Zone 8S Full Charge) • Standard: US Military Standard MIL-P-48367B
1. BASIC MODEL AND APPLICABLE ARTILLERY
Physical Reference
M203 red bag propelling charge physical object, annular flash reducer structure.
Common Name
Red Bag Zone 8 Super Charge (Single-increment Full Charge)
Applicable Artillery
39-caliber 155mm howitzers (M109A6/A7, M777, etc.) and 52-caliber 155mm long-range howitzers.
Applicable Projectiles
Extended Range Full Bore (ERFB) projectiles, standard M107 high-explosive projectiles.
Charge Zone Configuration
Zone 8S maximum charge, establishing the highest operating chamber pressure level of the entire weapon system. Dedicated exclusively for long-range strike missions.
2. TECHNICAL DIMENSIONS & WEIGHT COMPOSITION
Overall Dimensions
Maximum Length: 30.250 inches (~768.35 mm) | Maximum Outer Diameter: 6.125 inches (~155.58 mm)
Central Ignition Tube
Maximum Outer Diameter: 1.4 inches | Total Length: 27 inches (685.8 mm)
Main Propellant M30A1
26.0 lbs (11.79 kg) | Tubular dual-base configuration | Web thickness: 0.078 inches (0.198 mm)
Donut Flash Reducer
16 oz (453.6 g) Potassium Sulfate filler to suppress intense muzzle flash and protect night vision signatures.
Wear-reducing Additive
17.5 oz (496.1 g) mixed powder of Titanium Dioxide (TiO₂) and Paraffin Wax to reduce barrel inner wall ablation.
Copper Removing Agent
5.5 oz (155.9 g) Lead Foil to dissolve copper residue on projectile bands and maintain ballistic stability.
Ignition System Black Powder
Total weight: 5 oz (141.7 g) Class 1 Black Powder (Base Igniter Pad: 1 oz | Central Ignition Tube internal charge: 4 oz)
Auxiliary & End Protection
Class 2 resin-impregnated viscose-rayon fabric substrate (6.5 oz/sq yd), scarlet dyed acrylic-viscose lacing fabric, and hard flame-retardant boxboard caps for buffering protection.
3. DETAILED COMPONENT PARAMETERS
< >Ignition Architecture: Features a dual-stage central flame transmission structure. The molded nitrocellulose combustible central tube runs through the full length of the package to guarantee uniform and synchronous propellant ignition.Main Propellant System (M30A1): Composed of high-energy Nitroglycerin and Nitrocellulose dual-base tubular elements complying with MIL-P-48367B. Formulated to safely deliver maximum peak chamber pressure and long-range muzzle velocities.Exterior Identification Feature: Outfitted with a fully sewn, distinct scarlet fabric shell marked with a clear black "8S" zone stamp down the side of the barrel.Combustion Characteristics: All integrated fabric casings, lacing matrices, and nitrocellulose ignition tubes undergo complete combustion upon firing, leaving zero hard residue or debris in the chamber.
4. BALLISTIC PERFORMANCE INDICATORS
PERFORMANCE METRIC TECHNICAL OUTPUT VALUE
Standard Muzzle Velocity 826 m/s (when firing standard M107 high-explosive projectiles)
39-Caliber Artillery Range 24.7 km for standard projectiles | 30 km for extended-range projectiles
52-Caliber Long-Barrel Range Over 40 km for extended-range projectiles
Chamber Pressure Level
Highest operating operational baseline baseline; restricted to certified long-range tactical strikes
5. SAFETY CLASSIFICATION & LOGISTICS REGULATIONS
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Hazard Classification: Class 1.3C explosive hazardous material, incorporating dual-base propellants and highly reactive black powder ignition composition keys.
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Logistics Packaging: Bound strictly by UN-certified combination packages composed of internal galvanized steel drums housed within secure external wooden transit cases.
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Design Legacy Source: Finalized technical drawings via the US Army Field Artillery Weapons and Automation Command (PM-CAWS-AM), dated January 1979.
6. SYSTEM DIFFERENTIATION: M203 VS. M92 BMCS
The M203 propelling charge is an established legacy soft-bag single-increment full charge system, whereas the modern M92 BMCS is a rigid, combustible multi-module configuration. The two systems are completely non-interchangeable.
Legacy M203 System: Modern M92 BMCS:
Soft scarlet fabric bag structure utilizing M30A1 tubular Rigid, fully combustible structural modules engineered with double-base propellant, ignited via a traditional black powder an advanced black-powder-free ignition matrix. Combined central flame transmission tube. Restricts operations to a multi-module stacking covers all increments (Zones 1-8/10) single maximum Zone 8S high-pressure charge. with significantly superior Insensitive Munitions (IM) safety
performance.