AR15 / AR10 Bolt Carrier Gas Key Screws - ASTM A574

MSRP: $2.00
Was: $2.00
Now: $1.75
(You save $0.25 )


These ASTM A574 Gas Key Screws for AR15 / AR10 and variant bolt carriers are manufactured to meet current U.S. military specifications. Perfect for replacing worn out parts or as an essential component of your field replacement parts kit. Sold in packs of 2.


  • Set of 2 Screws
  • Manufacturing Specification: ASTM A574
  • Function Specification: U.S. Mil-Spec
  • Tensile / Wedge Tensile Strength (ksi min): 180
  • Proof Load / Stress (ksi): 140
  • Rockwell (HRC): 39 - 45
  • Torque Value (Gas Key): 50 - 58 in/lbs
  • Finish: Black Oxide
  • Made in the U.S.A.

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