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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. 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

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 spc2
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

6 8mm remington spc brief history
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
6 8mm remington spc specifications
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
6 8mm remington spc terminal performance at 50 yds
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

6 8mm remington spc terminal performance at 50 yds10
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

6 8mm remington spc terminal performance at 50 yds11
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

6 8mm remington spc terminal performance at 25 feet
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

6 8mm remington spc terminal performance at 25 feet13
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

6 8mm remington spc terminal performance at 25 feet14
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

6 8mm remington spc summary
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