Description Now changing powder meters is as easy as pushing a button with Hornady lock-n-load powder measure. To switch calibers, push the lock-n-load insert release button, remove the metering insert and put in another. Comes complete with mounting plate and standard lock-n-load metering insert. The plate mounts easily on your bench and features two openings to mount your lock-n-load powder measure. The standard metering insert features tension adjustment for easy setting and a .5 grain to 100 grain capacity, depending on your powder.The pioneering design of the quick change Lock-N-Load Powder Measure offers flexible operation and a wide range of use. The Lock-N-Load Powder Measure can handle charges of .5 to 265 grains of powder when paired with the appropriate insert and rotor.Metering inserts can be changed with the push of a button, giving handloaders the ability to load everything from small pistol cartridges to large magnums without having to purchase multiple powder measures. Includes rifle rotor and metering insert. Pistol rotor and inserts sold separately. 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.