I've used this nailer for a number of projects and it's been excellent.
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br /Case in point - crown molding.
br /It's light, which makes it a lot easier to hold over your head while nailing off crown molding all day. The belt hook is also key if you need two hands to get the crown seated in just the right position before fastening it while you're on a ladder.
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br /After the install is done, you'll appreciate the clean countersink hole that this nailer leaves. Some nailers leave a little lip, or an extra dent that takes extra sanding and filling work to hide. This gun just leaves a clean-edged hole and the no-mar tip works perfectly. The only time the tip can be a disadvantage is nailing into some tightly curved profiles. You have to be careful that the tip isn't preventing the nose of the gun from being pressed fully against the work piece. (Then the nail may not be driven all the way in and countersunk.)
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br /No problems using the Porter Cable angled nails that you find at local stores.
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br /Loading was really slick once I found the little tab that helps to hold the nail pusher out of the way.
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br /My two gripes -
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br /1. They didn't include a quick disconnect air fitting and the diameter of the fitting is a bit larger than most nailers sold at the mega-stores.
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br /2. The included bottle of pneumatic tool oil doesn't seal well and can leak inside the case if you store it on its side.

I bought this nailer after my Dewalt failed after only 1.5 years with minimal use and after my positive experience with the purchase of the Milwaukee 7120-21 roofing nailer. So far this nailer has worked great and I like that it includes a 5 year warranty. The fit and feel are similar to the Dewalt and the depth adjustment is in a better location, the selectable trigger is also a nice feature. As for the reliabilty only time will tell but if it performs as well as the Milwaukee 7120-21 roofing nailer has for me then I will be very satisfied.

I found this to be a quality nailer. Good range on depth adjustment. Easy to load and open slide allows you see clearly see remaining nail supply. I have not experienced any jams after shooting over 100 nail sleeves of various sizes. The tool is light weight and comfortable to hold. The ability to direct the air exhaust and the belt hook are nice features. I was surprised that the tool did not come with a male hose fitting. Overall a great value.

Typical Milwuakee Tool quality. The nailer is well balanced and well constructed with a magnesium body. I have noticed the Milwaukee nailers are very similar in design to the Ridgid nailers. If you like the swivel air fittings that the Ridgid brand units are fitted with, you can install them as they are readily available. Milwaukee nailers do not come with air fittings pre-installed. Milwaukee does provide a good quality hard case with the unit however.

This was my first pneumatic tool purchase and (as a beginner) I found the 7140-21 very easy to load and use. Quality and durability are important to me so I was willing to spend a little more. I wouldn't hesitate to buy another Milwaukee tool in the future.

I purchased this nailer after having bad luck with other angled finish nailers, so I approached using the Milwaukee 7140 with some trepidation. But I needn't have. Right out of the box it performed flawlessly in installing hardwood flooring and in the asociated trim work. It is light in weight and very nicely balanced. I think its the best of it's kind on the market. I recommend it highly

this nailer is light,doesnt jam ,easily adjustable,will easily drive 2 1/2 nail with power to spare,I am very satisfied

I love this gun!! I have use the bostitch and the porter cable finish guns and i found this one to be the lightest and the easist to use The quality is everything that you would expect from Milwaukee. The trigger switch is sweet and the depth is simple to set. The belt clip is a great addition for when your climbing ladders. I would refer to anyone in the field.

Easy to load, easy to use, lightweight yet rugged and durable so far after 60 days of use. I have yet to have a jam. I haven't quite figured out the depth setting on the tool, but so far I've made changes using air pressure. I've been driving into 150 year old hemlock without a hint of sluggishness!

Speed, comfort and flawless operation all in one. First nailer I have ever owned or used. Lives up to all the review praise and then some. No, absoluely no, problems with this gun even in the hands of a novice carpenter.

I was pleased when this arrived in that it came with the case. Solid construction, not heavy, and it works like a charm. I only need this for occasional work, not everyday. It's more than what I need so this will last me for years. I think I'm partial to Milwaukee products now.

I purchased this nailer about 5 months ago, it is very light and has worked flawlessly on 1 to 2 1/2" nails. The only thing I would add is a larger hook. You will need to use a pressure regulator as the depth of the nail will vary quite a bit if it runs straight off the compresser.

I have been a Bostitch for as long as I have been in construction. Lately Bostitch has disappointed me and I have started looking for tools from other manufactures. I have rediscovered Milwaulkee and liking what I see. This particular nailer is light, quite, POWERFUL and easy to load, the latter is important to me. Adding nails should not be a chore as Bostitch has changed to, the Milwaukee is simple and positive. I have yet to have a jam, really troublesome with finish work. Overall this is a great product at a tremenduce price.

The little gun that could! I have fired thousands of nails through this thing and still can't complain. Easiest depth adjustment I have seen. Most others have tiny little nuts to turn you can barely see. Hook is great when standing on a ladder or plank. The only thing I don't like is when it gets low on nails it will not fire the rest until you load more.

I am very pleased with this item. The only problem I had was finding
br /nails for it in smaller packs. I finally found some at Home Depot.

I bought this tool a couple of weeks ago to install hardwood floors in hard to reach places. After that I used it to install the base. I've hit over 500 nails so far without a misfire. I bought this when my brand new PorterCable nail gun started misfiring every second nail. It would be unfair for the Milwaukee tool to be compare with PorterCable tool as the PorterCable nail gun was a major disappointment. Whereas the Milwaukee nail gun was an absolute joy to use.

This is a sweet gun!!! Milwaukee makes the best tools for my money and no other tool maker gives a 5 year warranty. If they will stand behind a tool they make for 5 years knowing how guys like me are gonna treat it... Milwaukee has a loyal customer for life.

I bought this product mainly to frame a patio door. I am not good with a hammer so this was exactly what I needed. It worked perfect right out of the box. No hammer marks on the inside trim, my wife was very pleased. It propably saved me at least one hour time over useing a hammer. I can't find Milwaukee nais but others have said most other brands of angle nails will work fine. Looking forward to my next project. I would definately recommed this product.

Even though this is my first, I think that this is an excellent nail gun; great price, too. I was hesitant at first, because one reviewer said that it did not do toe molding. Purchased it anyway, and was pleasantly surprised. To install the quart round, all I did was turn the gun upside down.
br /It fires flawlessly. For safety reasons, I only fired single shot. It placed the head just below the surface. The tool is lightweight, and comfortable to grasp. It came with a nice case, a small bottle of oil, and about a thousand nails.
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This review is for the Milwaukee 7140-21 15 gauge Angled Finish Nailer.
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br /The package contents are: a plastic case, the 7140-21 nailer, a bottle of air tool oil(appears to be about 2 ounces), a pair of safety glasses, two allen wrenches (4mm and 5mm), a box of 1,000 2" 15 gauge bright finish nails, a warranty card, and the instruction manual.
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br /**This item does not come with a required 3/8" male air hose coupler, so make sure you pick one up. Or if you are like me pick up a 3/8" to 1/4" coupler adapter, as I only have a 1/4" air hose setup.**
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br /The Plastic Case:
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br /The case is a very nice heavy duty plastic carrying case which holds all of the contents with a perfect fit and keeps closed tightly with two heavy duty metal locking hinges. It also has a built in plastic handle to easily carry the case and contents around.
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br /The Nail Gun:
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br /The 7140-21 has a great quality feel to it, like most Milwaukee tools do. It is also very light at only 4.2 pounds. It is made up of magnesium (body), plastic (nail magazine), rubber (grips), and steel (nail feeder and barrel). This nailer shoots 1" to 2.5" 15 gauge nails with a 34 degree collation angle as per manufacturers specifications. It also carries 106 nails in the magazine so you can shoot nails for a long time before adding more. There are some other nice features built into this nailer. The first is a simple tool less nail depth adjustment knob to quickly change the depth of the nail drive. Another feature is a 2 way switch which can: change the trigger into either single sequential actuation mode or into contact actuation mode. This means you can either shoot one nail at a time by pressing the trigger when the workpiece contact is depressed(single sequential actuation) or hold the trigger down and every time you depress the workpiece contact a nail is fired(contact actuation). Another feature is a swivel thick plastic belt clip to hang the nail gun on your belt or pant pocket or whatever when it is not in use. The nail gun also has a nice exhaust feature in which the exhaust cover can turn 360 degrees so you don't have to have compressed air blown in your face. Finally the nailer has a great designed non-marring pad which goes on the workpiece contact and even has an extra one stored on the magazine in case you lose the one that is on the tool.
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br /The Bottle of Oil:
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br /2 ounces of your basic bottle of air tool oil. More than enough for a small job. Remember to oil your tool several drops before and after every use and it will extend the life of your air tool.
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br /The Safety Glasses:
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br /A clear pair of safety glasses, but I prefer my Ztek clear tinted safety glasses though for all my work.
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br /The Allen Wrenches:
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br /Your basic 4mm and 5mm allen wrenches. Use them to tighten the screws that hold the tool together if they become loose or you can take the tool apart if you need to work on the tool. They are easy to replace though if lost.
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br /The Nails:
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br /1,000 15 gauge 2" bright finish nails. Cover them up or they will rust.
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br /The Warranty Card:
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br /Its just a warranty card and registration to become a member of the Heavy Duty Club (Whoopdie Doo!!!). Send it in if you want the warranty or to become a Heavy Duty Club member. I never do though.
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br /The Instruction Manual:
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br /The most important thing to do is read this before you start using your tool.
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br /Conclusion:
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br /I bought this nailer to install some 3/4" ponderosa pine craftsman style trim I had made for a big project I was working on. I figured the 15 gauge would hold it better than 16 gauge, plus the nailer was on sale when I bought it and I've never had a Milwaukee tool that wasn't first rate quality. This nailer is no exception. This nailer performed absolutely flawlessly for me. It did not mar the wood at all in ponderosa pine(an extremely soft wood). It countersunk all the nails I shot with it unless I hit a drywall screw or a nail in the framing(only happened twice). The nailer just feels like a quality tool when you use it and if something were to happen to it I would definitely purchase another one.
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br /My only beef with it could be that it has a 3/8" NPT air inlet instead of a more common 1/4" one. Other than that I would highly recommend this nailer.

The other reviews are all true. This is a fine product. Just the right combination of light weight and durability. Very pleased with this sleeper among 15 GA nailers.

Did a lot of research on this product. Mostly reading reviews and going to the OEM website. So, I thought I would help others contemplating buying this unit. It works great! Sound purchase.

This thing is the best. It is light, clearly well manufactured and does the job. Have only used it for one project, but it is great. Especially if you wait on Amazon for the price to drop, as it occassionally does to less than $100, then it is a steal.
br /Highly recommnded.

After seeing small contractor return cheaper model because it jammed over and over. I decided to buy Milwaukee. Works perfect every time.

Everything is swell about this except the safety foot, which prents toe-nailing. My cheapo Harbor Freight gun has the safety built into the nose of the gun,allowing you to fire at an angle.

Received the nailer for what I thought was a fair price. Attached coupler (not provided hard to find 3/8" MIP) and fired two nails in a piece of scrap to make certain gun was OK. Weeks later when I needed the nailer I got one nail in a piece of trim and the tool was inoperative. Customer service gave me a few ideas to try (none of which worked) and then told me to take to a factory authorized repair facility. That was over a week ago and have not heard from them. I gave it a One Star for the nice carrying case that it comes in.

I have not had a chance to use this product yet but do have many other Milwaukee power tools and expect the quality to be just as good. The only concerns I have is with trying to determine what nails to purchase for this nail gun. Nothing that I have found states compatibility with this gun.