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.

Features :

• Simple, one-button cycling display
• Battery : 9-Volt (included)
• Easy access battery compartment, no need for a screwdriver to swap batteries
• Three sensitivity settings for fine-tuning
• Integral, quick-attach strapping system
• Proven technology with updated sensor design
• Integral 3.5 foot sensor cord
• Includes: Display Unit, Bayonet-style sensor, V-block spacers, strap with thumb nut tightener and Ultra-compact storage container