Jaeger Precision shows how one owners of the Silverback Tac-41 can install the GBB type Hop-Up unit. The TAC-41 optional hopup unit is designed for use with "GBB" (Gas Blow Back) style inner barrels and hopup rubbers. It's made from high-quality CNC machined parts and includes a feeding system to prevent double feeding. This unit is compatible with most "GBB" type components and allows for some adjustment of the inner barrel for different brands.

L'Antre Du Dingo installs and checks the MAXX Hop-up For ASG Scorpion EVO A1. The Maxx CNC Aluminium Hopup Chamber EVO unit is an upgrade for ASG CZ Scorpion EVO-3 Airsoft Rifles, featuring a precisely machined design for accuracy and consistency. It has a rotary dial for fine-tuning hop-up adjustments and includes a bucking nub for both R-Hop and standard setups.

Explosive Enterprises spent some time improving the VFC M249 GBB and shows performance improvement in this video... "Iteration and improvement on VFC's gas blowback M249. The bucking we now recommend is a Maple Leaf Wonder, 70-degree- just be sure to modify it as shown for optimal function."

Clyde Santos got his hands on a prototype TTI Infinity brass TDC Hop-up chamber for the Hi-Capa gas blowback pistol and here is what he says about it... "The much awaited TTI Infinity brass chamber. Is it nexxspeed killer? Lets find out once they release the final product. This item is protype!"

Tutorial from the Airsoft Manuals series of Taiwan Gun shows how to upgrade the hop-up and inner barrel of Double Eagle Airsoft Gun... "The second movie from our new series shows how to in a fast, easy, and affordable way tune up greatly the performance of your replica. This time we change not only the hop-up bucking and the barrel but also the hop-up chamber. Check it out!"

A good look at the Friction Pro Single Point Hop-Up for AEGs and gas blowbacks by 4UAD Smart Airsoft, the outfit that developed this hop-up for better performance. They say that the Friction Pro hop-up bucking, designed for optimal consistency, ensures a perfectly centered spin axis for each shot.

JK Army does what it calls the ultimate test of the TM Hi-Capa TDC Hop Up Chamber Set. They have the sets available from different brands but which is the best? Watch the video below to find out and have an understanding what TDC is all about in airsoft.

Watch the Airsoft Camman as he shows how to install the Silent Industries MTW Alpha Hop Unit in the video... "Installing the Silent Industries Alpha Hop Unit into a Wolverine MTW. The Silent Industries Hop Chamber is a popular choice for lots of MTW owners."

Improving your airsoft guns performance also means doing some tweaking with the hop-up system, if it has one. In this video, Airsoft2Go shows you how to do it without breaking a sweat... "To maximize the precision of your airsoft you need to set up your HopUp correctly before the game! Brush shows you the different types of HopUp Chambers and how to set them up. Have fun with the video."

More teching by Sniper Mechanics as he upgrades the CYM CM701 airsoft sniper rifle... "In this video Snipermechanics will be continuing the upgrades to the CYMA CM701 airsoft sniper, specifically looking at the Hop unit & barrel. The CYMA CM701 is a VSR10 clone, which takes all of the same VSR-10 upgrade parts.

The Cyma CM701 is one of the better VSR-10 clones due to CYMA being 100% Tokyo Marui compatible and also very budget friendly.

For this CM701, we'll be installing: