Description PRODUCT DETAILCaliber: 10mm Model: Critical Duty Manufacturer: Hornady Bullet Type: FlexLock Manufacturer Part #: 91256 Series: FlexLock Purpose: Personal Protection/Target 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.