The Krytac bucking and nub is made of nonporous silicone polymer with almost nonporous characteristics. It helps prevent the bucking from swelling when in contact with lubricants. The Krytac bucking works best when used with the Krytac Rotary Hop Up unit but can also be used with other aftermarket hop up assembly. It also features an enhanced contact patch for a more uniform spin and increased accuracy.
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