SLR Rifleworks Sentry 7 Adjustable Gas Block


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  • Melonite QPQ Finish
  • 15-position adjustability from 0 – .125″ port opening
  • Metering screw and screw bore design allows repeatability and reliability only SLR has been able to deliver
  • Single tool click to adjust gas metering
  • Melonite finish 4140 Precision machined gas block
  • Melonite finish 4140 Nexturn Swiss precision metering screw
  • Proprietary Alloy Flat Spring with 1400deg temper
  • Melonite finish 4140 detent plunger
  • Uses standard gas tube
  • Tool, roll pin and mounting screws included

NOTE – If using underneath 1.3″ ID HGs we recommend using a set screw block.  Will work with 1.35″ ID HGs.

NOTE – If you have a barrel with no dimple or one dimple under the gas port either our .400 or .450 set screw spacing blocks will work fine. There is no difference in the blocks just the front set screw location.

Additional information

Weight 1.3 oz

Clamp, Set Screw