The MagnetoSpeed Sporter Chronograph is designed for precision and versatility, accommodating barrels from 1/2 to 1 inches in diameter. It can also handle muzzle brakes and flash hiders up to 2.7 inches in length, making it perfect for contoured rifle barrels (sporter barrels) and long-barreled revolvers. Ideal for use with center-fire rifles and revolvers, this chronograph ensures accurate readings during testing. Please note, it is not compatible with airguns, rim-fire firearms, the Large Brake Adapter or the V3 Rail Adapter. Whether you're tuning your rifle or testing performance, the MagnetoSpeed Sporter delivers reliable results every time.