6.8mm Remington SPC

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6.8mm Remington SPC

• NDIA Small Arms Symposium
• Las Vegas
• May 11, 2004
• PRESENTED BY GREG DENNISON
• SENIOR RESEARCH ENGINEER
• REMINGTON ARMS COMPANY, INC

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6.8mm Remington SPC
6.8mm Rem SPC 115 gr Sierra HPBT 6.8mm Rem SPC
115 gr Hornady OTM 5.56mm NATO 77 gr Sierra
HPBTMK 5.56mm NATO M855, 62 gr FMJ
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6.8mm Remington SPCBrief History

• Developed by Remington using internal funds
• 6.8mm Remington SPC cartridge developed to
  provide increased lethality and better long range
  capability than current 5.56mm NATO or 7.62x39
  through higher energies
• Shell body diameter is larger than 5.56mm NATO
  but smaller than 7.62x39
• Cartridge length same as 5.56mm NATO
• Modular approach of M16 weapons family allows use
  of 6.8mm Rem SPC cartridge with dedicated upper
  receiver and magazine

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6.8mm Remington SPCSpecifications

• Available with 115 gr Hornady Open-tipped match
  (OTM), 115 gr Sierra HPBT Match and 115 gr FMJ
• Muzzle velocity of 2800 ft/s from a 24 barrel,
  2625 ft/s from 16 barrel and 2475 ft/s from a
  12 barrel
• 1 MOA dispersion typical
• Chamber pressure is 55,000 psi MAP via conformal
  transducer
• 28 rds of 6.8mm Rem SPC 115 gr OTM weighs 1.06
  lbm
• 30 rds 5.56mm NATO 62 gr FMJ weighs 0.76 lbm
• 20 rds 7.62mm NATO 150 gr FMJ weighs 1.07 lbm

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6.8mm Remington SPCPerformance Comparisons
Velocity vs. Range
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6.8mm Remington SPCPerformance Comparisons
Trajectory vs. Range
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6.8mm Remington SPCPerformance Comparisons
Wind Drift vs. Range
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6.8mm Remington SPCPerformance Comparisons
Energy vs. Range
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6.8mm Remington SPCTerminal Performance at 50 yds
6.8mm Rem SPC 115 gr OTM From 16 barrel
Barrett Upper, velocity_at_12 2608 ft/s
5.56 NATO - M855 From 18 barrel, velocity_at_12
3071 ft/s
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6.8mm Remington SPCTerminal Performance at 50 yds
6.8mm Rem SPC 115 gr OTM From 16 barrel
Barrett upper, velocity_at_12 2608 ft/s
5.56 NATO 77 gr Sierra HPBTMK From 18 barrel,
velocity_at_12 2760 ft/s
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6.8mm Remington SPCTerminal Performance at 50 yds
6.8mm Rem SPC 115 gr OTM From 16 barrel
Barrett Upper, velocity_at_12 2608 ft/s
6.8mm Rem SPC 115 gr OTM From 16 barrel
Barrett upper, velocity_at_12 2608 ft/s
5.56 NATO 77 gr Sierra HPBTMK From 18 barrel,
velocity_at_12 2760 ft/s
5.56 NATO - M855 From 18 barrel, velocity_at_12
3071 ft/s
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6.8mm Remington SPCTerminal Performance at 25
feet
6.8mm Rem SPC 115 gr OTM From 12 barrel
Barrett upper, velocity_at_12 2445 ft/s
5.56 NATO - M855 From 14 barrel M4, velocity_at_12
2900 ft/s
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6.8mm Remington SPCTerminal Performance at 25
feet
6.8mm Rem SPC 115 gr OTM From 12 barrel
Barrett upper, velocity_at_12 2445 ft/s
5.56 NATO 77 gr Sierra HPBTMK From 14 barrel
M4, velocity_at_12 2613 ft/s
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6.8mm Remington SPCTerminal Performance at 25
feet
6.8mm Rem SPC 115 gr OTM From 12 barrel
Barrett upper, velocity_at_12 2445 ft/s
6.8mm Rem SPC 115 gr OTM From 12 barrel
Barrett upper, velocity_at_12 2445 ft/s
5.56 NATO 77 gr Sierra HPBTMK From 14 barrel
M4, velocity_at_12 2613 ft/s
5.56 NATO - M855 From 14 barrel M4, velocity_at_12
2900 ft/s
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6.8mm Remington SPCSummary

• 6.8mm Rem SPC can be used with existing M16/M4
  lowers with dedicated upper receiver and
  magazines
• 6.8mm Rem SPC offers higher energy for improved
  down range performance versus 5.56mm NATO and
  7.62x39
• Terminal performance in gelatin has been
  illustrated at 25 feet with short barreled
  weapons and at 50 yds with intermediate length
  barreled weapons
• 115 gr Hornady OTM provides for greater and more
  immediate temporary expansion cavity
• 6.8mm Rem SPC has been submitted to SAAMI