The LNL Powder Measure Standard Metering Assembly measures approximately 5 to 100 grains of typical rifle powder. This is not compatible Will not work with the Lock-N-Load Bench Rest or Black Powder Measurers.
Please contact Hornady directly with any concern about performance, manufacturing defects, or warranty issues. Their contact information is found on their web site www.hornady.com. Their main switchboard phone number is 308-382-1390 Monday thru Friday 8am to 430pm Central Time.