It's already out, the Vega Force Company VFC Colt M733 Gas Blowback Rifle, making fans of the "Heat" movie happy. But will it fare well in this test by the guys of 4UAD Smart Airsoft as they put through their Grading System Challenger Program. Airsoft companies that want their expert tests can contact them whenever they are going to release a new airsoft gun.

Watch and listen carefully as 4UAD Smart Airsoft puts the GHK M4A1 RIS V2 GBB Rifle through its Grading System Challenge... "We all have heard great things about the GHK M4A1, but how good is it? We believe it is still mysterious, the most of performance information we could find were somewhat biased, and some people absolutely love this gun while some others just don't.

The first episode of the 4UAD Grading System Challenge is highly recommended for you to watch as it is a very comprehensive review of the Tokyo Marui M4 MWS Gas Blowback Rifle. Does it really live up to its hype? Watch it now... "Although it was a late one, the Marui MWS M4 still shakes the market when it first came out. Some people said its very weak, and breaks when you charge 12 kg gas to it, and some people just absolutely loved it and call it the king of GBB.