KynSHOT AR-15 Hydraulic Recoil Buffer RB5000L

  • 2495:-

The KynSHOT RB5000L Hydraulic Recoil Buffer is optimized for use with light loads, including subsonic ammunition and .300 BLK.

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Artikelnummer: KSRB5000L

The KynSHOT RB5000L Hydraulic Recoil Buffer is optimized for use with light loads, including subsonic ammunition and .300 BLK. The RB5000L has seen heavy use with civilian competition shooters, law enforcement personnel, and the United Sates Armed Forces. This buffer has patented damping technology to absorb the shock of impact from the bolt carrier’s rearward motion and to prevent bolt bounce as a new cartridge is chambered. This model is made lighter and requires less force to cycle than the standard AR-15 KynSHOT Buffer. This is intended for soft cycling or under gassed guns that will not lock back on the last round with the standard carbine hydraulic buffer or heavier buffers. .300 BLK guns running exclusively supersonic ammo may be fine with a standard hydraulic buffer if the bolt cycles firmly and has proper ejection placement. 


  • Drop-In Replacement
  • Reduce felt recoil
  • Improve reliability
  • Reduce bolt carrier speed
  • Reduce wear on parts
  • Reduce shock and vibration to optics
  • Suppress bolt bounce
  • Decrease sight movement
  • Smoother operation
  • Faster shot recovery time
  • Military grade materials and manufacturing


  • Weight 4.0 Ounces
  • Length when compressed 3.25”
  • Designed for 5.56mm/.223 cal. AR-15 with a collapsible stock
  • DO NOT USE IN 9mm AR-15s. For 9mm AR-15s use KynSHOT P/N RB5007, RB5015HD or RB5020SS. See Selection matrix for porper buffer choice.
  • Mil-Spec Hydraulic Fluids and Seals- Ambient operating temp certified for -30F - +150F
  • High strength 17-4 Stainless Steel construction throughout the unit, making it virtually impervious to corrosion.
  • Designed for .300 BLACKOUT or any softer cycling AR-15.

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KynSHOT AR-15 Hydraulic Recoil Buffer RB5000

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