SLR Rifleworks .750″ Sentry 7 – Set Screw Adjustable Gas Block



Product Description

Sentry .750″ Set Screw Version – Melonite QPQ Finish

  • .400″ Set Screw Spacing
  • 1.3 oz
  • 15-position adjustability from 0 – 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
  • Stamped Alloy Flat Spring with 1400deg temper
  • Melonite finish 4140 detent plunger
  • Uses standard gas tube
  • US PATENT NO. 9,410,756
  • Tool, roll pin and mounting screws included

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.




Technical Information

Color / Pattern
Finish Melonite , Nitride
Material Aluminum
Size .750"

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit