It's worth looking into. I've been going there for ~30 years.
PRO's:
1) The range is laid out correctly. You fire in a northward direction, so the sun is at your back.
2) Good distances; I believe at least out to 500 yards. At one time I believe it went out to 1000 yards, but that was cut back as development occurred in the bullet impact zone.
3) Not terribly expensive to join.
4) Longitudinal berms to separate the shorter distance ranges from the longer ones. At one time there were no berms, so the entire line had to be shut down if anyone wanted to change/check targets. Now you only have to shut down one portion and others can continue firing.
5) I do not believe there are any caliber/bullet restrictions except for tracers. Considering the amount of vegetation there, tracers would probably not be a good idea in any event.
6) They rent target frames and sell paper targets at a very reasonable price. (Example: target frame rental is $1.00. You can bring your own, but they have to conform to their dimensions.) Water, soda, and coffee are also available at low cost.
7) The range house is large and has some comfortable seating. Big fireplace with a cast iron stove to warm yourself up on chilly days. Air conditioned in the summer.
8) There are shooting benches and chairs available at the firing line. There are some stationary metallic targets on the rifle sections.
CON's:
1) Absolutely no handguns are to be used on the rifle portion of the range. Inconvenient if you want to use a handgun at distances longer than 50 or so yards. Similarly, at least one of the handgun ranges has a prohibition against any rifle caliber except for rimfire. IIRC, one of the handgun ranges is mixed rifle/handgun. There are signs denoting what can be used on the various ranges. Read and heed them to avoid problems.
2) The rifle section has a canvas covering, the pistol ranges are completely uncovered. If the weather is lousy, you will get wet. Sunny weather, you will get burned. Hat, sunscreen, and bug spray are highly recommended. The City of New Bedford does try to spray for mosquitoes during the summer, but the tree line is just behind the firing line on part of the range. Early morning and dusk is feeding time for the little aerial bloodsuckers, and you will get bitten, whether the city has sprayed or not.
3) You must have a permit to use the range, unless you are a guest. Guests are limited to a single use, after which they must join for further use. I get a sense from some of the RO's that guests are somewhat frowned on. This isn't a problem unless you want to bring a newbie to the range a couple of times to introduce them to shooting. Some RO's are less strict about this than others. I wish they would issue a one day range pass for a small fee. I would gladly pay that for newbies and occasional shooters.
4) Paper targets or the existing metallic targets only. No glass, cans, etc. Necco wafers, balloons, and lollipops are okay. Pick up your trash, if any.
5) There are sanitary facilities, but they consist of Porta-Pottys. This isn't really a negative since they had outhouses for decades before this. You haven't lived until you've used an open pit outhouse on a 90 degree day, complete with nesting yellow jackets. After a few experiences with that, Porta-Pottys will seem like heaven!
All-in-all, it's actually a pretty nice place to shoot and many of the shooters there are pretty friendly. When you go into the range house you'll probably find several older guys there, a few of them napping. Don't worry if you make noise and wake them up. They'll doze off again when you leave.