SLR Rifleworks Sentry 9 Gen 4 Clamp-On Adjustable Gas Block - .936

$ 118.49

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SLR Rifleworks Adjustable Gas BlockThe Sentry 9 clamp-on adjustable gas block by SLR Rifleworks stands in a class all its own. The only adjustable gas block on the market with a 100% gas seal allows full gas cut off and prevents gas from fouling the metering screw. Simple and easy to use single click adjustments allow the shooter to quickly fine tune the gas system for smoother operation, ammunition swaps or suppression. Precision CNC machined from 4140 steel with a Swiss metering screw. The Sentry 9 can be disassembled in less than 10 seconds for cleaning and has no tiny springs to corrode, break or seize and no tiny ball bearing to get lost. 

US PATENT NO. 9,410,756

  • Gen 4 Design
  • 100% Gas seal allows full cut off and prevents gas from fouling metering screw
  • Complete disassembly is simple and take less than 10 seconds
  • Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver
  • Single tool click to adjust gas metering
  • Clamp-On design allows an even seal covering the full diameter of your barrel
  • Precision Machined from 4140 Steel
  • Melonite QPQ Finish
  • .400" Set Screw Spacing
  • Proprietary Alloy flat spring with 1400deg temper
  • Melonite finish 4140 detent plunger
  • NO tiny springs to corrode, break or seize / NO tiny ball to seize or get lost
  • Tool, roll pin and mounting screws included