Rat Worx (Research And Testing Worx, Inc.) is known in the industry as a class II firearms manufacturer. Our focus is primarily gun and suppressor sales, along with manufacturing of gun parts, and suppressors.
Rat Worx is home of the only Rat Worx MRX automatic chain drive knife.
Rat Worx, Inc. was founded in 2002 and is headquartered in Mt. Morris, IL.
Thread: M18x1 - These interchangeable modular thread adapters are available in a variety of different thread pitches to allow the Harvester Big Bore to be mounted on virtually any barrel up to .338 Lapua. Sold individually.