Description Switch this metering unit in and out of your lock-n-load powder measure with just a push of a button. (Not compatible with the bench rest grade or black powder measure.)PRODUCT DETAILSwitch this metering unit in and out of your lock-n-load powder measure with just a push of a button NOT Compatible with the bench rest grade or black powder measure Lock-n-load powder measure rifle micrometer metering Assembly Country of Origin:United States Firearms, trailers, and some accessories are only available for purchase in stores. Each location follows all BATF and individual state/county/city laws to insure the desired product is legal for sale. Any info provided online is subject to change, please go to your local store for more accurate information.