Airsoft M4 Prowin/Dytac spec variable Hopup wheels

So these are for Prowin/Dytac m4 hop ups. They fit like a key and work very well. They allow a more precise adjustment by limiting the range of adjustment overall. Each wheel is a bit different. 1 is factory spec, 1 is tight mid range, 1 is tight low range and 1 is tight high range.

Nothing is worse than moving your hop up wheel a hair and it curves to the sky, then a hair down and it drops right infront of you, this product solves that for better on the fly adjustments.

This is more for those with flat or R hop setups. I also make a kit with custom r hop arms that includes 3 of these wheels.

This will work with some clones but youll have to change the o ring where the hop up sits to a diff size to fit it snug.

Smoothest fine detail plastic and pa12 have been tested and worked fine. The pa12 can take a hit, but the fine detail looks fantastic and is smooth.