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6.8mm Remington SPC

6.8mm Remington SPC. NDIA Small Arms Symposium Las Vegas May 11, 2004 PRESENTED BY GREG DENNISON SENIOR RESEARCH ENGINEER REMINGTON ARMS COMPANY, INC. 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

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6.8mm Remington SPC

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  1. 6.8mm Remington SPC NDIA Small Arms Symposium Las Vegas May 11, 2004 PRESENTED BY GREG DENNISON SENIOR RESEARCH ENGINEER REMINGTON ARMS COMPANY, INC

  2. 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

  3. 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

  4. 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

  5. 6.8mm Remington SPCPerformance Comparisons – Velocity vs. Range

  6. 6.8mm Remington SPCPerformance Comparisons – Trajectory vs. Range

  7. 6.8mm Remington SPCPerformance Comparisons – Wind Drift vs. Range

  8. 6.8mm Remington SPCPerformance Comparisons – Energy vs. Range

  9. 6.8mm Remington SPCTerminal Performance at 50 yds 6.8mm Rem SPC – 115 gr OTM From 16” barrel Barrett Upper, velocity@12’ = 2608 ft/s 5.56 NATO - M855 From 18” barrel, velocity@12’ = 3071 ft/s

  10. 6.8mm Remington SPCTerminal Performance at 50 yds 6.8mm Rem SPC – 115 gr OTM From 16” barrel Barrett upper, velocity@12’ = 2608 ft/s 5.56 NATO – 77 gr Sierra HPBTMK From 18” barrel, velocity@12’ = 2760 ft/s

  11. 6.8mm Remington SPCTerminal Performance at 50 yds 6.8mm Rem SPC – 115 gr OTM From 16” barrel Barrett Upper, velocity@12’ = 2608 ft/s 6.8mm Rem SPC – 115 gr OTM From 16” barrel Barrett upper, velocity@12’ = 2608 ft/s 5.56 NATO – 77 gr Sierra HPBTMK From 18” barrel, velocity@12’ = 2760 ft/s 5.56 NATO - M855 From 18” barrel, velocity@12’ = 3071 ft/s

  12. 6.8mm Remington SPCTerminal Performance at 25 feet 6.8mm Rem SPC – 115 gr OTM From 12” barrel Barrett upper, velocity@12’ = 2445 ft/s 5.56 NATO - M855 From 14” barrel M4, velocity@12’ = 2900 ft/s

  13. 6.8mm Remington SPCTerminal Performance at 25 feet 6.8mm Rem SPC – 115 gr OTM From 12” barrel Barrett upper, velocity@12’ = 2445 ft/s 5.56 NATO – 77 gr Sierra HPBTMK From 14” barrel M4, velocity@12’ = 2613 ft/s

  14. 6.8mm Remington SPCTerminal Performance at 25 feet 6.8mm Rem SPC – 115 gr OTM From 12” barrel Barrett upper, velocity@12’ = 2445 ft/s 6.8mm Rem SPC – 115 gr OTM From 12” barrel Barrett upper, velocity@12’ = 2445 ft/s 5.56 NATO - M855 From 14” barrel M4, velocity@12’ = 2900 ft/s 5.56 NATO – 77 gr Sierra HPBTMK From 14” barrel M4, velocity@12’ = 2613 ft/s

  15. 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

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