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JP Competition Jam Nut for Compensator, 5/8x24, Stainless .875
Jam Nut 5/8x24 Stainless

JP Competition Jam Nut for Compensator, 5/8x24, Stainless .875

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On sale: $12.95 $11.95
Retail Price:$12.95
You Save:$1.00(8%)
Part Number: 135-JPJN-58S-875
Availability: IN STOCK

JP Competition Series AR10 Compensator
Do-It-Yourself Installation, Replaces 5/8x24 Flash Suppressor, Includes Crush Washer
Developed and evolved from YEARs of competitive shooting, the JP Competition Series Compensator has reached an optimum level of effectiveness while keeping a low, traditional looking profile. The gas ports have been tuned to match our most effective "Howitzer" brake as closely as possible, resulting in a virtually flat, neutral hold. For the hungry competitor, that means getting back on target cracking followup shots as fast as possible.


  • 5/8x24 TPI
  • .875 OD
  • .350 exit
  • Black oxide carbon steel
  • Package includes compensator, crush washer, and instruction sheet.
  • This compensator meets and maximizes the potential allowed by the 1" x 3" dimensional rule, making it SOF/Tactical/USPSA Limited legal and optimal.


  • Extremely balanced and neutral fire
  • Redirects muzzle gasses to cancel out a large portion of recoil impulse
  • Provides dramatically improved sight recovery for faster follow-up shots
  • Minimized muzzle rise
  • Reduced recoil fatigue
  • Longer design to allow for pin-and-weld installation on shorter barrels
  • SOF/Tactical/USPSA Limited legal

E. Arthur Brown Company, Inc
4088 County Road 40 NW, Garfield, MN 56332

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