Title: Metal Hop-Up vs. Plastic Hop-Up Weblog: GearHack. Excerpt: My friend mentioned to me that he's concerned with the plastic hop-up unit in his DBoys M4 ...

I have determined that the method documented in this article is a bad idea. See the "Aftermath" section below for details. The better solutions are the Bravo ...

Sep 11, 2013 · My friend mentioned to me that he's concerned with the plastic hop-up unit in his DBoys M4 CQB-R. In the past week, he has gotten some MilSim ...

Sure, it was easy to read about hop-up and how it is used to adjust pellet spin and feet-per-second (FPS). But it was very difficult to visualize what a hop-up ...

The stock APS metal hop-up unit has been adjusted to be accurate and precise out to over 30 feet in an outdoor environment. It has a stock plastic H-hop spacer.

The plastic H-type hop-up nubs came with all of our APS M4 airsoft guns--APS Mini Patriot M4 and APS M4 URX Raptor. These guns shoot extremely precise with this ...

The entire bucking and nub is covered in oil. That kind of explains the inconsistency. My well-worn M4 have dry bucking. They provide very consistent results.

The version 2 gearbox is rather impressive. It has 8mm metal bushings (see photo below). It also has a quick change spring guide at the back so that you don't ...

It's completely sealed, but has a easy to open cut-away on top. Once you rip the top off, you can open the zip-lock bag. The integrated zip-lock allow you to ...

Lancer Tactical Full Metal GP-25 AK Airsoft Grenade Launcher ... When this round button is pressed, the gas is released into the BB chamber, launching the BB's.