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ATK Ammunition and Powder Company 25mm Barrett HEDP Cartridge 20 December 2019

ATK Ammunition and Powder Company 25mm Barrett HEDP Cartridge 20 December 2019. Design Discipline + Optimal Components = Mission Success!. Agenda. Overview Tactical Employment ATK 25mm Barrett HEDP System Ammunition Development Existing LW30mm Technology

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ATK Ammunition and Powder Company 25mm Barrett HEDP Cartridge 20 December 2019

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  1. ATK Ammunition and Powder Company 25mm Barrett HEDP Cartridge20 December 2019

  2. Design Discipline + Optimal Components = Mission Success! Agenda • Overview • Tactical Employment • ATK 25mm Barrett HEDP System • Ammunition Development • Existing LW30mm Technology • ATK Development Efforts • Static Spin Tests • Penetration Test Results • Summary

  3. Overview • What is the ATK 25mm Barrett HEDP? • High Explosive Point Detonating Rifle Delivered Shape Charge Munition • Based on Apache 30mm M789 HEDP technology • Off-the-shelf components and technology minimize development cost and time • Testing demonstrates: • Average > 1.75” RHA penetration at 500 meters • Numerous rounds penetrate 2” RHA target plate • 100% fuze function + 20 meter no-arm safety • Simulation and modeling indicates that the ATK 25mm Barrett HEDP will penetrate in excess of 2” of RHA armor at 1000 meters.

  4. Tactical Employment • Snipers require responsive technologies to enhance their already substantial effectiveness. • The lightweight 25mm Anti-Material Payload Rifle system is capable of interdicting light material and armored targets. • C4ISR • Mobile SCUDs • Support Facilities • Light Vehicles • Aircraft and Fuelers • Crew Served weapons

  5. 25mm Barrett HEDP System • The Barrett XM109 25mm Payload Rifle System is a unique weapon designed specifically to interdict light material targets. • Is ready for production • Kit conversion transforms Barrett .50 cal rifle to 25mm • XM109 needs tactical ammunition for fielding • Ammunition applicable to XM307 and XM25 system Payload Rifle is mod to existing .50 cal

  6. ATK 25mm HEDP Ammunition Development Objectives • Meet or exceed warhead performance criteria of 1.25” RHA penetration • Scale proven technology from existing LW30mm Apache ammunition • Maximize off-the-shelf components and technology to minimize development costs and time • Utilize modified liner components • Modify M759 fuze to compensate for lower spin rate/provide safe arming • Provide lightweight aluminum cartridge case

  7. Existing LW30mm Technology • Developed in the 1980s for the M230 chain gun on the AH-64 Apache helicopter • M789 High Explosive Dual Purpose (HEDP) • M788 Target Practice (TP) • ATK is the developer and only supplier of the M759 PD fuze • ATK has produced in excess of 10 million LW30mm cartridges • Scalable technology for 25mm application • Shaped charge jet formation for AP capability • Projectile body fragmentation for anti-personnel effects

  8. ATK Development Effort Two-Phase Development: • 25mm Anti Material Payload Rifle Assessment • Determine the validity of developing a 25mm Barrett HEDP round for a 25mm Anti-Material Payload Rifle using static spin tests. • 25mm ATK HEDP Tactical Cartridge Development • Develop a tactical cartridge based on ballistic assessment, evaluate dynamic penetration performance using proposed 25mm HEDP requirements.

  9. Static Spin Test • Penetration increases with range • Testing exceeded predictions

  10. Test Barrel Penetration Results • 2” RHA target at 500 meters • Dynamic performance exceeded static and predictive expectations • Average > 1.75” RHA penetration • Numerous rounds penetrated 2” RHA • 100% fuze function + 20 meter no-arm safety 2” RHA Dynamic Test Target Target 2” RHA

  11. Penetration Results Close-Up Front Back side Shot 5 Close-up Target 2” RHA at 500m Back side Shot 3 Close-up

  12. Summary • The ATK 25mm Barrett HEDP is an accurate, safe, and lethal cartridge capable of penetrating in excess of 1.5 “ of RHA armor at a range of 500 meters. • Development success achieved by a disciplined approach to design and testing. • Provides 250% lethality improvement over .50 Caliber API at 1000 meters. • Ammunition design is production ready and supports early fielding of 25mm Barrett Payload Weapon System. ATK 25mm Barrett HEDP is ready now!

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