First pcp airgun

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I've heard good things about the regulator on eBay, but do remember project is more than the regulator. If you order a Huma from a domestic supplier, it'll be in your hands within a week. The eBay model is estimated at 6 to 8 weeks. Yes it is less expensive but you have to wait. That's strictly your decision.

You'll need a Chronograph to setup the regulator, no matter what you buy. The eBay model and huma have dials to set the reg pressure on the top. You'll end up setting it, trying it over a chrony, removing the air, and disassembling the rifle at least a couple times while you install the regulator. Plan on either lots of pumping or draining a tank.

​You'll also need to decide how to set the hammer spring settings on the Marauder, as well as the transfer port. There is plenty of iinformation on the Internet about how best to do that.

​Also, neither the Huma or eBay model will allow you to see the tank pressure. The Huma ($125) will allow you to re-install the Marauder pressure gauge and see the regulator pressure (if I understand correctly) but not the overall tank pressure.

​The reason I haven't put a regulator in my Marauder (.22 Gen II) is that I value the ability to adjust to different pellet weights and velocities. I like to tinker. Once you get the regulator set, you can shoot one or two pellets well, and no tinkering. Too much of a hassle. 

Regulators are a two edged sword. Yes, they do improve your shot string, but they limit future tinkering and adjustments that can be made to one of the most adjustable guns on the market.

​In the end, you gotta do what makes you happy on this one. We can make all the recommendations in the world, but in the end, it's you shooting your gun.

​Have fun and good luck!
 
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Get the gun, shoot it, learn it's idiosyncrasies and enjoy the sport. Regulators are a hot topic, but in the end, they have one power setting, and the Marauder is so adjustable, just enjoy,

​When mine is properly tuned, I can shoot the 18.3 gr JSB's at 75 yards and get 1 to 1.5 inch groups, if I do m y part. It's a good gun, just don't expect to win the next Extreme Benchrest with it and you'll be fine.

​Marauders are good all around guns, you can shoot pests or do a bit of target practice. Very sold on mine. Love shooting it at the range, gives everyone something to look at and wonder how an airgun can shoot that well. You will enjoy it once it gets to you.

​Keep us posted on how it goes
 
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The hand pumps (at least the Benjamin and Hill) should have gauges. You can fill to 2500 or 2800 PSI on the pump gauge and learn how many shots it takes before dropping below the reg pressure.

​Those regs are also adjustable. His is set at 1400, but you can set at a variety of pressures.

​The problem I have with regulators, especially the aftermarket regs, is that once set, that's it. If it's set to shoot a Crosman Premier 14.3 grain well, but you want to change to a JSB 18.1 grain, it just shoots the JSB slower. You have to disassemble the gun, and adjust the reg, put the reg back, air up the gun, try the new setting, and if it's not right, do it again. Way too much hassle.

​The beauty of the Marauder is that you can adjust the gun with three hex wrenches. It has infinite adjustability between the hammer spring, hammer throw, and transfer port adjustments. You can do this at the range on the bench with minimum of hassle. Just keep a record of the settings and you are good. Once you know the settings for each pellet, it's a matter of a few turns of a wrench and you are ready to shoot.

​So far, in my experience (for whatever that's worth), the JSB's shoot much better at longer ranges than the crosman's. The Crosman's are just fine at shorter ranges and less expensive to shoot. 

​With a pump, the number of shots per fill will be very important. You can usually figure about 30 shots per fill, and the reg won't change that much is my understanding. The last set-up I did on the Marauder had a std deviation of around 8 fps over 30 shots without a regulator. Still working on the tune, but with the gun's current set, I don't see the need for a regulator.

​Again, once you put the reg in, the fun is just starting while you get it adjusted and shooting the way you want. Lots of trial and error, and adding too many variables makes shooting NO FUN AT ALL!

Personally, I think shooting the gun, getting to know the gun, then adjusting or deciding if you want a regulator is the way to go. for me, I've decided that for the Marauder, no regulator for me. As for you, that's your call. Good luck whatever you choose.

 
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Depends on how it's set. Crosman rates the Marauder at 30 shots per fill, and that's really pretty close. When I set back to factory, Crosman 14.3 grain in .22 give a nice consistent 30 shots per fill. About 820 FPS, with std deviation of around 12 fps. Dang near regulated accuracy. Again, your mileage may vary. Once I go over 30 shots, the pellets just start dropping.

​My record keeping has been a bit spotty, but the adjustments for the 18.3 grain JSB heavies is around 830 fps, and around 12 fps std deviation as well over a 30 shot string. I'm planning on validating the results later in the spring with a fresh chrony and when the weather warms up. Snowing today, a bit chilly to sit and do chrony work.

​Mine is a 4 year old Gen II Marauder in .22. Seems to work well. Still tinkering and trying to see what the adjustments should be for both 14.3 and 18. grain pellets to get best shots per fill and accuracy. Probably start going back to the range next month!
 
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I don't think you need worry about the barrel on a new Marauder. Crosman changed their barrel manufacturing processes a number of years ago, and since then, the barrels have been solid. My understanding is that the Gen 1 barrels did have issues, but with the Gen II Marauders, issues were greatly reduced.

Crosman has an even newer process that started up last year, and from what I hear, those barrels are better yet. With luck you'll get one of those. AEAC tested, I believe, the regulated Marauder with a Crosman barrel (he though it was a Lothar Walthar because it shot so well). Might take a look through AEAC's more recent reviews for the regulated model. It wasn't Lothar Walthar, but a Crosman barrel.
 
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im getting a little over 5/8 inch groups at 50 yards with crosman premiers, im waiting for my jsb 18gr pellets to come in tomorrow im hoping they will be nice at longer ranges. im also only filling to about 2600 psi.. So far im really enjoying this thing i think im pretty much hooked. I really want to invest in a different fill method i might try one of those cheap chinese air compressors i cant affords the 1200$ air venturi ones
 
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"tempo47"Seems like most people have had good luck with it or only minor issues easily resolved from that thread you linked. I think im gonna order one, im assuming i dont need a fill bottle i could hook it directly to my gun and fill?
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Yes you can fill strait to the gun. It takes about 1.5 minutes from empty. I fill my 30 minute SCBA and then fill the gun as needed when away from home. You can buy the used tanks cheap on ebay. Read up on the compressors and if have any questions just ask.
 
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