The ER-hop is an accuracy upgrade which replaces the hopup mound with an extended concave contact patch. The ER-hop applies smooth acceleration and even backspin resulting in a more stable, flatter BB trajectory. This improves accuracy, consistency and range to the highest levels currently possible in airsoft.
Hristo Airsoft Store offers professional R-hop installation service for most airsoft guns we sell. Our technician has years of experience and has installed hundreds of R-hops. All you have to do is check this option in dropdown menu when adding the gun to you shopping cart.
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