Joe Lau, owner of Hong Kong-based JL Progession (also known as JLP International) posted this video for those who have started using M4 Gas Blowback Rifles, how to maintain the rifle with Silicone Oil. Better bookmark it for those who want to learn how to do it. JL Progression products are originally designed by and for the Professional Shooter.

Bunny Workshop have announced that they are now stockists of JL Progression products which are upgrades needed by the airsoft practical shooter. JL Progression is the combination of Joseph Lau who has over 30 years of makign high quality steel and aluminium metal parts; and Joe Lau, the founder of the company, with 14 years of shooting experience and the top ranked airsoft practical shooter of Hong Kong.