• AR-15 barrels with a .750" journal — check your barrel spec before ordering
  • Does NOT fit .625" or .875" journals
  • Not intended for use under a front sight base or FSB-height handguard
  • Micro profile — minimum outside dimensions for maximum handguard clearance
  • Steel body, matte finish

Full details and secure checkout: https://3crtactical.com/750-micro-profile-gas-block-with-roll-pin-123/?utm_source=armslist&utm_medium=referral&utm_campaign=listing