This ammunition is sold for salvage only as there may be some misfires.
The components alone are worth the price.
$50.oo per 250rds belt OR
$280.oo for a metal case of 1,250rds (7 belts in combat packs)
Less the returnable belts make for inexpensive components.
Mail back the empty belts for a $15.oo (each) in store credit note at Marstar.