This comment is from the "Head of Development" at Krytac on their forums.
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Quote:
So according to evike, that small window or opening on the side of gearbox is meant to put lubrication straight on the gears without having to disassemble the entire gearbox. I was wondering if anyone actually tried this. Did you guys get a can of airsoft silicone and go to town on the gear box by spraying directly into it or did you guys get a qtip, scooped some grease, and applied it?
Dev here: It's actually so you can view positioning of the piston. I have no idea where Evike employees came up with that idea.
The gearbox is self contained. There should be no reason for you to lubricate the gears outside of major maintenance.
That being said. Spray silicone is not good for your gun for a number of reasons:
1. The seals are HNBR, which are oil resistant anyways.
2. There's electronics inside that you can scramble with spray.
3. Spray doesn't have the correct viscosity for gears and will just run off
4. Spray will remove whatever grease is in your gun already. And probably put it on your sensitive components.
For best results, you'll need PTFE silicone grease."
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Many of his comments reiterate what I have been saying all the time on this forum. He reaffirms my comment that you don't do maintenance on your AEG due to 30K rounds of use.
I can add that I had 3 TM MP5's made Circa 1997 that was used for a movie prop with over 80K cycles of dry firing without any issues. Those AEG's went on for another 4 years of use with no gear box maintenance until one unit chipped a spur gear in a Police training in 2001 at the Minnetonka City Hall.
As for BBs EF is just "average", they are batch manufactured to a "small" tolerance. Some batches are good, some are bad...
Most any AEG is an upgrade from the CYB Colt. Guns from "factories" will fit this bill. Guns from other distributors will not, especially if they are sub-150 in retail pricing.
I would recommend that you stick with the Colt and make it shoot like your Krytac.
Swap the packing first, use a Maple leaf set and you can then fine tune it from there.