Proport LTD, based in Harrison Township, MI, is the original inventor of barrel porting, setting them apart from imitators in the industry. Their innovative EDM process effectively reduces recoil and muzzle lift on various firearms, offering a range of services including handgun porting, shotgun porting, rifle porting, and custom handgun conversions.
With a commitment to design, fitting, threading, and performance, Proport LTD takes pride in their superior muzzle brake, which has been proven effective on shotguns of all types, including single, over under, side-by-side, rifled, and slug barrels.
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