SKU: MXMSLBA
UPC: 855036004085
MPN: MS_LBA
The MagnetoSpeed Large Brake Adapter is a precision-engineered accessory designed to extend the compatibility of the MagnetoSpeed V3 Chronograph to large-caliber rifle platforms equipped with substantial muzzle brake systems. This milled 6061 aluminum fixture accommodates muzzle brakes up to 7.7 inches in length and barrel diameters up to 1.6 inches, making it the ideal solution for magnum and heavy-recoil shooters who need accurate velocity data during load development, ballistic testing, and field validation.
The Large Brake Adapter was engineered specifically to address the geometry challenges posed by rifles in calibers like .338 Lapua Magnum and .50 BMG, where factory muzzle devices often exceed the clearance envelope of standard chronograph mounting systems. The adapter uses the included V3 Rail Adapter to clamp securely onto your barrel, providing a stable, repeatable platform for the V3 Chronograph's bayonet mounting interface. The aluminum construction offers lightweight durability while maintaining the mechanical precision required for consistent shot-string velocity readings across multiple rounds and firing sessions.
This adapter is essential for precision rifle shooters, ammunition developers, and long-range competitors who rely on chronograph data to optimize powder charges, bullet selection, and velocity uniformity. Whether conducting factory-ammunition evaluation or validating handloads before field deployment, the MagnetoSpeed Large Brake Adapter ensures that large-caliber platforms can deliver the same quality velocity measurement that smaller systems provide. The quick-connect design integrates seamlessly with the V3 Chronograph ecosystem, requiring no additional tools or specialized knowledge to install and remove between shooting sessions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.