We offer match-grade barrels for the MR918/MR920 with spiral fluting, with threaded and unthreaded barrel options. The MR918/MR920 barrels also will work to fit your Glock for a custom upgrade. Our 416R Stainless Steel match-grade barrels come finished with industrial grade Bronze Titanium Carbo-Nitride or Black Diamond-Like Carbon. We machine spiral fluted barrels as a standard option.
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Why flutes versus a smooth barrel or another machining? Most external barrel machining offers fairly modest benefits, but in our opinion, flutes do the most. First, when the gun is truly filthy or full of mud, fluted barrels give debris a place to go when your slide is cycling, enhancing reliability. They also tend to “hold” lubricant, keeping your slide lubricated a little longer and distributing it evenly. There are some other lesser impacts, including better barrel rigidity, better cooling, and weight reduction. You can also choose whether you want your pistol to be suppressor ready, by selecting unthreaded or threaded barrel options. Our custom barrels will fit Glock pistols and are finished in two high-performance coatings: Bronze Titanium CarboNitride (TiCN) and Black Diamond-Like Carbon (DLC). Each of these finishes has been selected by Shadow Systems for their durability and lubricity.
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