25mm Anti-Material Payload Rifle (AMPR-XM109)

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25mm Anti-Material Payload Rifle (AMPR-XM109)
50TH 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_at_pica.army.mil
Ralph Mazeski U.S. Army ARDEC AMSRD-AAR-AEM-I
Bldg 65 Picatinny, NJ 07806-5000 (973)
724-6453 rmazeski_at_pica.army.mil
Sergio Aponte U.S. Army ARDEC AMSRD-ARR-AEW-M
(D) Bldg 7 Picatinny, NJ 07806-5000 (973)
724-3445 saponte_at_pica.army.mil
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• Briefing Agenda
• Neil Lee
• The IPT
• Facts Claims
• The Barrett 25mm Rifle System
• Project Schedule
• Sergio Aponte
• Battelle Weaponeering Study
• Niceville Armor Piercing Tech Demo
• Technical Challenges
• Recoil Mitigation
• Ralph Mazeski
• 25mm Ammunition etc.
• Questions

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IPT Arrangement
Sponsor The U.S. Special Operations Command
Neil Lee Sergio Aponte Steve Small, Ph.D.
CPT Bowser USSOCOM
Weapon Developer Ronnie Barrett Bob Gates
Bob Galleazzi M107 PM Crew Served Weapons
Cape Aero Space Charles Poff Recoil Mitigation
Ammunition Developers GDOTS Matt Solverson
Kaman Dayron
Ammunition Issues AETC Ralph Mazeski Dennis
Durkin

Recoil Mitigation Gamma Tim Lindsay
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Facts Claims

• Facts
• A known commodity The Barrett M107 is combat
  proven and User respectedthe XM109 possesses
  much of the same architecture as the M107
• Ammunition Availability The 25mm XM109 will use
  the self-same 25mm armor-piercing ammunition as
  the Objective Crew-Served Weapon (XM307)
• Claims
• The 25mm XM109 offers significantly greater
  lethality than the .50 caliber XM107 against C4I
  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

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XM107Baseline System
Specifications


  Caliber .50 BMG (12.7 X 99mm)
  Chamber 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 (12.9kg)
  Overall Length 57 inches (144.78 cm)
  Disassembled Length 38 inches (96.52 cm)
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SYSTEM CHARACTERISTICS

• WEAPON SYSTEM HAS RAPID CONVERSION CAPABILITY
  FROM M107 TO XM109
• XM109 M107 HAVE 70 COMMONALITY
• MAJORITY OF REPLACEMENT PARTS ARE CURRENTLY IN
  SUPPLY SYSTEM
• WEAPON SYSTEM IS 10 INCHES SHORTER THAN M107
• CAPABLE OF DEFEATING MOST LIGHT ARMOR AND
  MATERIEL TARGETS OUT TO 2000 METERS

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XM109 Prototype
Specifications


  Caliber 25mm
  Chamber Chambered for OCSW XM307 ammunition
  Operation Semi-Automatic - Short Recoil Cycle
  Barrel Length 29 inches (73.67 cm)
  Rifling Twist TBD
  Rifle Weight lt35 pounds (15.9kg)
  Overall Length 46 inches (144.78 cm)
  Disassembled Length 38 inches (96.52 cm)
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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 XM1049 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

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Battelle Weaponeering Study

• Summarized Results Probability of Target Defeat
• Big Bird Radar
• At 800 meters the XM109 required half as many
  rounds as the XM107.
• BMP-3
• At 800 meters the XM107 required 2 times more
  rounds than the XM109.

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Range Single Shot Test Barrel Using Mk 211 Ammunition (MoA) Single Shot Test Barrel Using 25mm TP OCSW Ammunition (MoA) M107 OTF2 (SN 3629) Using Mk 211 Ammunition (MoA) XM109 Using 25mm TP OCSW Ammunition (MoA)
600 meter .71 2.49 2.30 2.53
800 meter 1.34 2.76 2.74 3.33
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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 6 foot x 1 inch thick armor target at
  207m
• (RHA)
• All shots fired by remote operation
• Location
• Niceville, Florida

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Training-Practice and Armor-Piercing Ammunition,
and the Target Effects
19 June 2003 Niceville, FLA.
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CARTRIDGE, 25 MILLIMETER Target Practice (TP)
XM1050

• 20,000 rounds built and fired to date
• Mann barrel dispersion 0.25 mils _at_ 200yards
• System dispersion 1.1 mils _at_ 1350 meters
• Simple two piece projectile construction
• Integral rotating band
• Common cartridge case, primer and propellant

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CARTRIDGE, 25 MILLIMETER Armor Piercing, XM1049

• 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

First Generation
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CARTRIDGE, 25 MILLIMETER Armor Piercing, XM1049

• 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