Posted 21 July 2008 - 10:36 AM
Posted 21 July 2008 - 01:26 PM
Go pro... prometheus Do you still want to have a M4 CQB for CQB... cause why would you bore up if your going to use it for CQB? Cause a bore up is a cylinder that has a larger volume of air then usual. more air... more pressure more fps... but it only works with M120 spring an above. Otherwise it will not achieve full compression. It also doesn't increase FPS until the o-ring on the piston warms up.
Unless your in some CQB open game like karMeister where people use 600+ fps guns
Edited by vic_man4, 21 July 2008 - 01:26 PM.
Posted 22 July 2008 - 03:00 PM
Edited by JiNx, 22 July 2008 - 03:01 PM.
Posted 22 July 2008 - 10:05 PM
It already has an alu piston head. If you feel that there are leaks in the compression parts thats when you seal or change them or when you just plan to up grade. A polycarb piston head is not an upgrade for an alu or dura piston head. Ive had bad experiences with a polycarb piston head.
Edited by karMeister, 22 July 2008 - 10:05 PM.
Posted 23 July 2008 - 12:48 AM
Posted 23 July 2008 - 11:01 PM
and they are more prone to hairlines!
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