25 mm AntiMaterial Payload Rifle AMPRXM 109 50

25 mm Anti-Material Payload Rifle (AMPR-XM 109) 50 TH ANNUAL NDIA SMALL ARMS SYMPOSIUM AND EXHIBITION Neil Lee U. S. Army ARDEC AMSRD-AAR-AEW-S(D) Bldg 65 Picatinny, NJ 07806 -5000 (973) 724 -6743 nelee@pica. army. mil Sergio Aponte U. S. Army ARDEC AMSRD-ARR-AEW-M (D); Bldg 7 Picatinny, NJ 07806 -5000 (973) 724 -3445 saponte@pica. army. mil Ralph Mazeski U. S. Army ARDEC AMSRD-AAR-AEM-I; Bldg 65 Picatinny, NJ 07806 -5000 (973) 724 -6453 rmazeski@pica. army. mil

25 mm Anti-Material Payload Rifle (AMPR-XM 109) Briefing Agenda: • Neil Lee: – The IPT – Facts & Claims – The Barrett 25 mm Rifle System – Project Schedule • Sergio Aponte: – Battelle Weaponeering Study – Niceville Armor Piercing Tech Demo – Technical Challenges – Recoil Mitigation • Ralph Mazeski – 25 mm Ammunition & etc. • Questions

25 mm Anti-Material Payload Rifle (AMPR-XM 109) IPT Arrangement Sponsor The U. S. Special Operations Command CPT Bowser USSOCOM Neil Lee Sergio Aponte Steve Small, Ph. D. Cape Aero Space Charles Poff Recoil Mitigation Bob Galleazzi M 107 PM Crew Served Weapons Ammunition Issues AETC Ralph Mazeski Dennis Durkin Weapon Developer Ronnie Barrett Bob Gates Recoil Mitigation Gamma Tim Lindsay Ammunition Developers GDOTS Matt Solverson Kaman Dayron

25 mm Anti-Material Payload Rifle (AMPR-XM 109) Facts & Claims Facts • A known commodity: The Barrett M 107 is combat proven and User respected—the XM 109 possesses much of the same architecture as the M 107 • Ammunition Availability: The 25 mm XM 109 will use the self-same 25 mm armor-piercing ammunition as the Objective Crew-Served Weapon (XM 307) Claims • The 25 mm XM 109 offers significantly greater lethality than the. 50 caliber XM 107 against C 4 I SAR targets – Near term: Penetration potential from optimizing warhead promises over 1 ½ -inches of RHA at 1200 meters and beyond – Long Term: Optimized AP ammunition offers 2 + inches of HHA

25 mm Anti-Material Payload Rifle (AMPR-XM 109) XM 107 Baseline System Specifications Caliber . 50 BMG (12. 7 X 99 mm) Chambered for commercial and MATCH ammunition Operation Semi-Automatic - Short Recoil Cycle Barrel Length 29 inches (73. 67 cm) Rifling Twist 1 turn in 15 inches (38. 1 cm) Rifle Weight 28. 5 pounds (12. 9 kg) Overall Length 57 inches (144. 78 cm) Disassembled Length 38 inches (96. 52 cm)

25 mm Anti-Material Payload Rifle (AMPR-XM 109) SYSTEM CHARACTERISTICS • WEAPON SYSTEM HAS RAPID CONVERSION CAPABILITY FROM M 107 TO XM 109 • XM 109 & M 107 HAVE 70% COMMONALITY • MAJORITY OF REPLACEMENT PARTS ARE CURRENTLY IN SUPPLY SYSTEM • WEAPON SYSTEM IS 10 INCHES SHORTER THAN M 107 • CAPABLE OF DEFEATING MOST LIGHT ARMOR AND MATERIEL TARGETS OUT TO 2000 METERS

25 mm Anti-Material Payload Rifle (AMPR-XM 109) XM 109 Prototype Specifications Caliber 25 mm Chambered for OCSW – XM 307 ammunition Operation Semi-Automatic - Short Recoil Cycle Barrel Length 29 inches (73. 67 cm) Rifling Twist TBD Rifle Weight <35 pounds (15. 9 kg) Overall Length 46 inches (144. 78 cm) Disassembled Length 38 inches (96. 52 cm)

25 mm Anti-Material Payload Rifle (AMPR-XM 109) Project Schedule • Fragmentation Testing of Baseline Ammunition May ’ 04 • Limited Safety Release scheduled for August ’ 04 – 3 weapon systems delivered to APG – 1675 total rounds of AP and TP ammunition • Initial Delivery of XM 1049 HEAP ammunition September ‘ 04 • User Assessment scheduled for October ’ 04 – 10 weapon systems delivered to SOCOM – 2000 total rounds AP and TP ammunition • User Assessment Report expected December ‘ 04

25 mm Anti-Material Payload Rifle (AMPR-XM 109) Battelle Weaponeering Study • Summarized Results: Probability of Target Defeat – Big Bird Radar • At 800 meters the XM 109 required half as many rounds as the XM 107. – BMP-3 • At 800 meters the XM 107 required 2 times more rounds than the XM 109.

25 mm Anti-Material Payload Rifle (AMPR-XM 109) Range Single Shot Test Barrel Using Mk 211 Ammunition (Mo. A) Single Shot Test Barrel Using 25 mm TP OCSW Ammunition (Mo. A) M 107 OTF 2 (SN 3629) Using Mk 211 Ammunition (Mo. A) XM 109 Using 25 mm TP OCSW Ammunition (Mo. A) 600 meter . 71 2. 49 2. 30 2. 53 800 meter 1. 34 2. 76 2. 74 3. 33

25 mm Anti-Material Payload Rifle (AMPR-XM 109) Tech Demo – 19 June 2003 Set-up: – High Speed and normal speed video record of pre-demo and demo at both target (perpendicular) and weapon (side view) locations – 6 foot x 1 inch thick armor target at 207 m (RHA) – All shots fired by remote operation • Location: – Niceville, Florida

25 mm Anti-Material Payload Rifle (AMPR-XM 109) 19 June 2003 – Niceville, FLA.

25 mm Anti-Material Payload Rifle (AMPR-XM 109) CARTRIDGE, 25 MILLIMETER: Target Practice (TP) XM 1050 • 20, 000 rounds built and fired to date • Mann barrel dispersion ~0. 25 mils @ 200 yards • System dispersion ~1. 1 mils @ 1350 meters • Simple two piece projectile construction • Integral rotating band • Common cartridge case, primer and propellant

25 mm Anti-Material Payload Rifle (AMPR-XM 109) CARTRIDGE, 25 MILLIMETER: Armor Piercing, XM 1049 • Off the shelf nose fuze with spitback • Advanced molybdenum shaped charge liner • Over 2 inches of armor penetration (Lab) • Flight tested to 963 Meters • Dispersion ~ 0. 75 mils Behind Armor Witness Plate First Generation

25 mm Anti-Material Payload Rifle (AMPR-XM 109) • • • CARTRIDGE, 25 MILLIMETER: Armor Piercing, XM 1049 Improvements: Remove nose fuze = greater penetration Base fuze utilizes existing HE safe and arm Reduced parasitic weight Addition of self destruct feature Provides basis for high explosive dual purpose (HEDP) airbursting capability Next Generation