Go with 455 and non-boreup. I had troubles getting good enough seal for a dmr in my kit.I bought the King Arms COLT M16A4. It comes with a 7mm gearbox, which I've heard is great.
I have a few questions. I want the gun to be a DMR, so It's all about accuracy, consistency, compression, and power. Speed is irrelevant.
I plan to use either a Prommy 590mm or 550mm 6.03. is the bore up necessary?
Is there anything else that I need to upgrade, or do you suggest any other parts? I'm not on a budget, I'd like the best performance.
-Systema Bore-Up Cylinder Set for M4
-SYSTEMA Super Torque Up Type Spur Gear Set
-Systema Ball Bearing Ver. II Spring Guide
-Prometheus Hard Piston.
-G&P Wiring Switch Assembly For G&P M4 - Rear
-Systema Anti-Reverse Latch for V.II
-Guarder Version 2 Gearbox Yaw Control Bar/Cut-Off Lever.
-Modify Shim Set
-G&P M170 or M160 Motor
Supershooter phead, shs cylinder, sorboed shs chead, and shs air nozzle is the way to go. Make sure to also round out the cylinder window. And fix air seal.
Those gears are crap. Go with siegetek 20:1
The spring guide and piston are overpriced and bad. Go with shs, and shs 15 tooth blue. Make sure to get aoe perfect.
14 awg wire from home depot, and a mystikal fet for the rewire. Plus an 11.1 30c lipo (turnigy) with deans.
Shs shims, arl, cutoff, and spring are also all better. A common mistake is that systema makes the best parts. Their only good thing is their buckings!
G&p motors are no good either. Terminusx, and terminus bushings and pinion too.
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