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Element Polycarbonate Air Seal Hopup Chamber Set for M16 / M4 Series Airsoft A.E.G.
by Joseph C. Date Added: September 13, 2008
Ordered mine and can't wait for it to come in. Been looking to put a metal hopup in my KWA KM4-TAC since I got it but at $20 I figured I had nothing to lose by trying the polycarbonate. I especially like the o-rings More and more techs are suggesting polycarbonate parts over investment casted metal. The metal "looks" strong but lacks flexability in high vibration environments and is poorus (read brittle). The other downside of metal (especially reinforced aluminum or steel in pistons) is that they can be too strong. It's much cheaper to replace a broken polycarb piston if a jam occurs than having to tear apart your broken gears because the rock solid piston shattered them. Composites are the wave of the future (although I'll always embrace metal on externals that should be steel/aluminium).

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