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AIM Top Hell-Fire High Speed Piston w/ Metal Teeth Strip for Airsoft AEG Gearbox
$25.00 $20.00
by Yoshiaki H. Date Added: March 22, 2009
Great piston, but not for heavy spring rates like the Guarder 150. Encountered 2 piston failures using Guarder 150 springs chrono over 500fps. The first tooth cracked off on both pistons. This was on 2 separate guns. Heavier spring rates the Deepfire is still what I would recommend.....over 15,000 rounds and counting on 500fps aeg.

Best piston for lower fps say around 400fps and provide better ROF due to its lightweight design. Currently on AEG with Guarder 130 spring shooting 450fps on lipo battery. About 5,000 rounds and counting.

Testing the threshold of the piston. Currently put in Guarder 140 Spring aeg. We will see if it can hold the 140 spring rate.

The above are all done on the skirmish field during games with use of full auto and semi firing.

Rating: 4 of 5 Stars! [4 of 5 Stars!]
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