MagnetoSpeed Sporter (Internet packaging)

The MagnetoSpeed Sporter chronograph was designed to be used on barrels from 1/2 inch up to 1 inch in diameter. In can also accommodate muzzle brakes and flash hiders up to 2.7 inches in length. Ideal for contoured rifle barrels (sporter barrels) and long-barreled revolvers. (Note: Not compatible with the Large Brake Adapter or the V3 Rail Adapter.)MagnetoSpeed Sporter features :Simple, one-button cycling display (shows recent shot velocity and statistics, plug in to turn on)Battery : 9-Volt (in