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Krytac M4 Rotary Hop-Up Unit

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Krytac M4 Rotary Hop-Up Unit

Quick Overview

Krytac rotary-style Hop-Up for M4 AEGs.

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This is Krytac's improved M4 hop-up unit. Rather than a set of rotating gears that move up or down in the available space, the Krytac unit rotates around the barrel and gives a positive "click" when adjusted to indicate that it has moved completely into a new position. This also helps to keep the unit adjusted, even through extended use, as it won't unspool itself like other gear-based M4 hop-ups can.
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