BLEM .750" Low Profile Set Screw Gas Block - Black Nitride

MSRP: $49.99
Was: $44.99
Now: $34.99
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BLEMISHED: These gas blocks have some form of cosmetic defect but are otherwise 100% functional. Defects may be in the form of dents, dings, scratches, inconsistent finish, etc.

Our low profile set screw gas blocks are machined from 4140CMV steel and are held to a strict tolerance standard for improved gas efficiency. All gas blocks include knurled set screws for a superior connection between the gas block and the barrel, as well as a short gas tube roll pin for your convenience. All gas blocks are nitrided for a deep black finish that also improves surface hardness and corrosion resistance.

100% Made in the USA

A note from Phillip: When tightening the two knurled set screws, torque to 30 inch pounds of force using a 1/4" drive torque wrench, Wheeler Fat Wrench, or similar tool.


  • .750" Size
  • Low Profile Set Screw Design
  • 4140CMV Steel Construction
  • Tight Tolerances for Improved Gas Efficiency
  • Knurled Set Screws
  • Short Gas Tube Roll Pin Included
  • Black Nitride Finish
  • 100% Made in USA