I've been into PCPs for 4 years now starting with an AA S500 rifle. Well, my 10th and final rifle is a Huben K1. My FX 3 stage and Hill MK 4 are fine up to 250 bar then things get a little tough. I even bought the Huben pump (this one is the Rolls Royce of hand pumps) but still dreamed of making this hobby easier. I thought about the blue Y H model but was turned off by the water and oil issues. This one got great reviews so I decided to part with the extra $100 or so. The company obviously listens to customer feed back because the packaging was bomb proof. You almost need a small crowbar to open the box which is a heavily stapled industrial cardboard. Once opened, look at the packing carefully because the bleed screw is easy to miss. The unit is very well constructed and finished. It really is "plug and play". This is the latest model so it does not have the grease syringe to worry about. Just plug the converter into a wall outlet...uncoil the wire on the compressor spool and attach both of the clips to the converter...flip the power switch on the bottom to the "on" position (it will then sound like a vacuum cleaner is running)...set the dial indicator to the desired PSI of your fill...make sure the bleed screw is all the way in...push the start button and you will hear the small motor going to work. There is a Q C fitting on the end of the hose so make sure your probe is snug before you start. It sure is nice to watch the needle rise without pumping! I do not own a C F bottle and I plan on using this for direct fills only. Remember- heat kills hand pumps and compressors without mercy so don't abuse this unit. After the compressor motor shuts off let the fan run a few minutes. I've only had it a few days but so far I love it.

Easy to get parts and rebuild with videos from web . Simple and well built .
I bought 2 , 1 for a spare .
Run on electric and 12 volt battery for portability !

The media could not be loaded. Excellent GX CS3 PCP Air Compressor!

I have used several different types of PCP air compressors with my friends and never found one that I wanted to invest my money into as some were too loud, some too slow, some too messy with oil and or water and most were all too bulky and too heavy. Add up all those negatives and you can understand why I was not happy to pay for any of those.

Then I found this one! The GX CS3 PCP Air Compressor! No water hassles and no oil hassles (it has built in fans to cool it). Supposedly not too loud (it was not, I could easily talk to someone in the same room). Supposedly could be used from my 110v house socket (Yes, it worked great as it comes with an included transformer to run from my 110v house current!) or from my car battery (Yes, that too worked great as it has wiring and clips to attach right to the car battery). Did I mention the auto-shutoff yet? Yes, it has one and it is adjustable! Did everything work as hoped. To sum it all up as quickly as possible, YES! It worked flawlessly with every feature that I mentioned. The craftsmanship was impressive. Also, one of the best features is its size and weight as it is small and light and extremely portable. Easy to lift, easy to carry, easy to set up with running from either the house or the car.

I held off reviewing it until I received it and used it several times, so my above comments were after I had used it on many occasions as my kids and my wife all have PCP air rifles!

Upon receiving it I had a feeling that I was going to love it. The packaging was triple secure, meaning it had 3 strong layers of boxes, foam, ties, staples, you name it, this thing was packaged excellent.

The instructions were also good and easy to understand. Tools and small supplies came with the unit which were nice additions. I can keep everything together and know that I have all the tools if needed.

Using it on PCP air rifles, the speed of filling up the tanks was excellent for its size. Much easier than all the messy, heavier ones and much easier than manual pumps. Soon I will have some photos to post and a small video. Go for it, you will be quite happy with all of its capabilities and ease of use, especially with being so lightweight and portable. I usually do not write such long reviews but did so as it made my air rifle adventures a lot more fun for me and the family!

Enjoy!

Iv had it for 3months and it works good for my needs. it fills a hastan blitz from low to full in 7min so I gave it 4 stars we'll see how long it last before I give 5 but for 50 bucks u can get a 3yr no hassle warranty.

This works exactly as advertised minus the "no need for a water separator." yes it does catch water itself that you can bleed out, but it will still need at least 1 water filter.

I had an o-ring blow right at the connection to my first water filter. This unit had a puddle of water coming from this connection during a fill. Releasing the line pressure at the compressor still vented out water like normal. Glad I have 2x filters on it.

Other than that, this is perfect for refilling paintball tanks. I've done about 60 fills at 3k psi so far and no issues. The blown o-ring after removal didn't make a difference and the line is sealed regardless. The oring was actually pushing itself out of the line, which is what let air/water escape the coupling to the first water separator. This connection had remained untouched since initial install. What made be buy the extra water filters was test filling on a nearly expired tank. I had noticed water in the fill nipple. The humidity in my basement where i run this varies around 50%.

This is an excellent solution to paintball tank fills or PCP rifle fills when paired with a water separator.

a 48/3000 tank takes just about 30 minutes to fill - which is the cycle time recommended for this compressor. I have a 4500 carbon fiber but i don't fill it past 3k at home, i don't see the need to adjust my fill pressure when at home fills are for fun, testing, and i have unlimited air fills now anyway. I do not know the full time required for a 4500 tank, but bringing it to 3k will require letting the compressor take a break after 30 minutes and then doing another run for 15-20 minutes tops.

I highly recommend this unit to anyone who wants to do at home fills using very little space. It is also portable and can run from a car battery - I have not done this - yet. Just get a good inline water filter.