AR-15 iron sights: cleaning carbon near the rail

View FBUIS-B on Amazon

  1. Remove gross carbon with brush
  2. Keep solvent out of detents
  3. Dry; cycle flip-ups
  4. Wiggle-test clamps

Buy Ozark Armament Flip Up Iron Sights (FBUIS-B) on Amazon

Specs from the public Amazon listing for ASIN B01AISP1KW only. No false claims.