The ZSR 5.56x45mm [M855] (SS109) and [M856] (L110) Tracer rounds are engineered for superior penetration and visibility. These rounds are designed to meet the rigorous demands of both military and law enforcement operations, offering enhanced capabilities for engaging targets in varied operational scenarios. Certified to NATO STANAG 4172 and AEP-97 standards, these rounds provide reliable performance and consistent quality.
Technical Specifications:
| Specification | M855 (SS109) | M856 (L110) Tracer |
|---|---|---|
| Ammo Caliber | 5.56x45mm | 5.56x45mm |
| Bullet Type | Penetrator FMJ | Tracer FMJ |
| Bullet Weight | 62 gr (~4.0 g) | 61 gr (~3.92 g) |
| Bullet Material | Tombak jacket, Steel core | Tombak coated steel |
| Bullet Length | 23.4 mm | 28.45 mm |
| Ammo Casing | Brass (CuZn30) | Brass (CuZn30) |
| Casing Length | Max. 44.7 mm | Max. 44.7 mm |
| Primer Type | 5.56 mm Boxer | 5.56 mm Boxer |
| Powder Type | Double-base powder | Double-base powder |
| Muzzle Velocity (fps) | 3018 ± 66 fps | 2939 ± 39 fps |
| Max Chamber Pressure | < 4450 Bar | < 4450 Bar |
| Barrel Pressure | Port – 3Sd > 560 Bar | Port – 3Sd > 560 Bar |
| Spread at 550m | Max. 22 cm | Max. 30 cm |
| Action Time | < 3 ms | < 3 ms |
| Bullet Pull Force | Min. 20.4 kgf | Min. 20.4 kgf |
| Cartridge Length | Max. 57.4 mm | Max. 57.4 mm |
| Waterproof | Yes | Yes |
| Temperature Resistance | From -54°C to +52°C | From -54°C to +52°C |
Performance and Features:
- M855 (SS109): Known for its high penetration capabilities, the M855 round can penetrate a 3.5 mm thick AISI 1020 steel plate at a distance of up to 570 meters. This makes it exceptionally suitable for use against hard targets where standard FMJ rounds might not suffice.
- M856 (L110) Tracer: Provides visual feedback by emitting a bright trace that is visible in low-light conditions, aiding in target acquisition and correction of fire. The tracer composition ensures visibility without compromising the bullet’s structural integrity.
Durability and Standards: These rounds are constructed to withstand extreme conditions and maintain their ballistic properties. The double-base propellant used enhances the performance by providing a consistent burn rate and stable muzzle velocity across different environmental conditions.
Description: ZSR’s 5.56x45mm rounds are meticulously crafted to provide an optimal balance between penetration and precision. The non-corrosive, Boxer-primed brass casings ensure that the ammunition is safe for prolonged storage and reliable under diverse shooting conditions. Whether for tactical engagements or training exercises, ZSR ammunition is designed to perform when it matters most.
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