Latest video from Airsoft Taiwan shows the new SAT Stainless Steel Inner Barrel for the Tokyo Marui M4A1 MWS Gas Blowback Rifle. A comparison is done showing that the SAT verion is longer than the original inner barrel. A longer barrel can also help improve performance, increasing FPS, range and accuracy.

RA-Tech released a video showing a prototype they are making for a WE Airsoft "new" design. In this case, it looks like another Glock-like gas blowback pistol, though we cannot make out what model it is based on. The video is a test and comparison between the original one and their prototype, showing air seal and accuracy.

Here's how to install your hop-up unit and inner barrel from Echo1 USA as done by Brian Holt. This includes a video and photos for better understanding... "It is time to either upgrade your hop up unit or inner barrel but you don’t quite know how? Check out this quick 'how to' video and blog to learn and save yourself some time and money for more parts later on!

You have heard about rifled airsoft inner barrels before, now the question, do they really work? Hear it from Jonathan Higgs in this episode of Airsoftology Mondays... "Mondays returns post-SHOT Show with answers on; do rifled airsoft barrels work, a safe kind of dryfiring and what really happens if you leave BBs in your magazine."

Penn Yan Tactical announces that the Solid Steel Magnum Airsoft Barrel has started production and will hit retailer shelves soon... "Its official. Production is underway for the Solid Stainless Steel single piece Magnum airsoft barrel. Penn Yan Tactical has been moving towards this day since Dobey's first concept barrel was made and tested back in 2012.

For owners of the new Silverback Airsoft DesertTech SRS Sniper Rifle, here are two videos released to help you maintain the rifle. The first is howto change an inner barrel and followed by a howto video on changing the spring. Just remember any modifications might just void your warranty.

The Japanese-made Orga Widebore Barrel gets reviewed by the Airsoft & Military News Blog... "There have been many independent studies into what is best for improving the range and accuracy of an airsoft gun. Whether it be a longer inner barrel, or a tighter bore. There are many methods and many variables. One of these methods has questioned what most airsofters have believed to be best. Having a tighter bore inner barrel should increase accuracy and improve range.

Red Army Airsoft Club writes about a new product from Airsoft Rus... "The largest airsoft store in Russoa, Airsoft Rus , announced the release of a composite inner barrel that they produced in-house. The idea is that by changing the length of inner barrel to change the speed of the ball flight. The owner He took off the muzzle, unscrewed Barrel: 115 m\s, screwed inner barrel and a silencer: 145 m\s. Convenient! No need to change springs."

This video made by ASTKilo23 is interesting to watch as he compares the MadBull 6.03 Steel Inner Barrel, MadBull 6.03 Aluminium Inner Barrel, and a stock Brass Inner Barrel... "Madbull has produced cost effective tight bore barrels for many years now. Their Black Python V2 barrels have evolved to become some of the one of the most widely purchased aftermarket barrel upgrade on the market. Now, however, they have released their steel construction barrels.

Now in stock at WGC Shop are the A Plus Airsoft 6.08 Nickel Coated Copper Rectifier Inner Barrels for the GHK Gas Blowbacks and available in different sizes... "Pressure-balancing design, relieves pressure difference between atmosphere and inner barrel, minimizing turbulent flow's effect on BBs. These have 6.08mm Inner Diameters, made of Copper Material, and 60 Degree Chamber Packing included.