621227711526

• 6 — Number system
• 21227 — Manufacturer code
• 71152 — Product code
• 6 — Check digit (confirms the number is well-formed)

UPC-A ✓ Valid check digit

• 818503019708 — American Defense Trijicon Mro Mount - 1.5" Center Height Ad-Mro-Co-Std

American Defense Trijicon® Rmr Mount Co-Witness - Black

Search for American Defense Trijicon® Rmr Mount Co-Witness - Black on Amazon (or for the code 621227711526)