Two new videos were uploaded by RA-Tech with the first one being an accuracy test of the new B4A1 AEG rifle from Bolt Airsoft which was conducted in a rainy day. The second one is about their KSC M4 PTS Steel Bolt and a quick run through of the latest addition to the VFC's MP5 airsoft gas blowback line, the VFC MP5 SD3. Watch the videos below: