Allows the use of the Magneto Speed V3 Chronograph bayonet without affecting barrel harmonics. Attach directly to your chassis and extend the bayonet to your muzzle. With component prices on the rise, save time and money by being able to zero your rifle and get accurate speeds at the same time without affects to your point of impact. Features: Machined from 6061 AluminumBlack and Red anodizing on aluminum partsBlack Nitride tight tolerance steel rods for rust and corrosion protectionErgonomic comfortable adjustment knobsFully adjustable for any barrel lengths from SBR’s to 30” +Atlas style footprint for mounting either our QD throw lever or any other atlas compatible clampVery rigid design for minimal movement after setup is completeRepeatable locating after initial setup MagnetoSpeed Gray Ops CNC V3 Off-Barrel Mount w/Arca Clamp 0933GO01