Future Energy Hong Kong just released a new upgrade part for the KJ Works KC-02 Tactical Gas Blowback Carbine. If you replace the original, this CNC'd Steel Reinforced Piston provides a better blowback and stable pressure distribution. It just costs US$17.33 so interested parties can contact them for wholesale or retail purposes.
Latest announcement from MadBull Airsoft designed for your AEG... "After several years of product development, the most innovative piston has arrived: the Madbull PX Piston designed and developed by Madbull’s engineers. This piston is comprised of new materials never before used combined with innovative processes.
New video from MadBull Airsoft about their X-Factor pistons... "Madbull's latest video introduces our new line of full-teeth and half-teeth X-Factor Pistons designed for performance AEGs. The X-Factor Piston is now available for order by retailers from our distributors JAG Precision (USA) and RedWolf Airsoft (Asia).
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New pistons in full and half-teeth forms from MadBull Airsoft which should please Simon Cowell... "New X-Factor Pistons from Madbull feature 7 heat treated steel teeth, three lubricant grooves for maximum lubrication, and a segmented piston guide to reduce friction. They are specially designed for performance AEGs.
Hyperdouraku got sample units of the Deepfire HK Titanium piston and has made first impression of the item. They will soon compare it to other pistons to see if such change in material would cause some improvements in the performance of Marui AEGs. Please do not however that the piston only has Titanium teeth, but the piston body is plastic, lest you might think the whole product is fully made of titanium, which will just make it very expensive.