Model # 16941

Internet #202046591

Ramset Cobra+ 0.27 Caliber Semi Automatic Powder Actuated Tool

Discontinued Ramset

Cobra+ 0.27 Caliber Semi Automatic Powder Actuated Tool

  • Semi-automatic power adjust reduces need for load change
  • Silencer reduces noise by 30% for better work environment
  • Extra cushion on the grip means greater comfort with less recoil
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Frequently Bought Together

Product Overview

The Ramset Cobra+ 0.27 Caliber Semi-Automatic Powder-Actuated Tool can tackle professional remodeling projects, such as attaching wood to concrete or steel. It lets you set the load strength to match the job. The adjustable power level increases speed and efficiency and reduces power up to two levels.

  • Use for attaching 2 x 4s, furring strips and electrical boxes to concrete and steel
  • 1 strip of loads drives 10 pins
  • Adjustable load strength for optimum penetration into base material
  • Padded handle absorbs recoil
  • Fires 10 shot strip loads
  • Accepts up to a 3 in. non-washered pin
  • Includes reusable storage case, safety glasses, spall guard, wire cleaning brushes, and common replacement parts (barrel retention clip and piston)
  • Requires Powder Actuated Tool Licensing – Click Here To Apply

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents.  Download a free copy from the Adobe Web site.



Maximum Size Fastener Fired
Minimum size fastener fired (in.)
Product Depth (in.)
1.75 in
Product Height (in.)
6 in
Product Width (in.)
14.5 in


Actuated Tool Type
Color Family
Cushioned grip
Load Caliber
27 lb
Power Tool Features
Case Included,Cushioned Grip
Product Weight (lb.)
Tools Product Type
Power Tool
Type of Actuation

Warranty / Certifications

Manufacturer Warranty
Full one year warranty

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Customer Questions & Answers

Can my son use this as a weapon?

I am worried that if I buy this tool, that my son may be able to use it as a weapon against me. Are there safety features in place that can prevent this from happening?
Asked by: MasterDebater
I'd be more worried if he had like a cordless sawzall or something. With this he could maybe try and launch some debris at you from a very carefully angled shot at the ground.
Answered by: awx
Date published: 2016-12-19

Where do I find parts for this tool?

I'm having trouble finding a piston assembly for this cobra plus tool. Parts warehouses say to ask you where to locate parts, as the ramset cobra is different than the cobra plus.
Asked by: Foghorn
I called the number in the first answer. They asked for my serial number, in about a minute they had my info and are sending me one at no charge. When I called Ramset from the number posted on their website it directed me to an answer machine and I had to leave my name and number, as of now no call back...
Answered by: Yinzer2please
Date published: 2016-08-04

Is this actually automatic?

Asked by: Woah
Yes, this is an automatic actuator.
Answered by: CommunityAnswer
Date published: 2016-11-19

How do u put it back together

Take it apart to clean can't put it back together
Asked by: May
Our technical support team will be happy to help you reassemble your Cobra + tool. Please call them at 800-726-7386 between 8:30 and 5:00 CT Monday - Friday.
Answered by: Paslode
Date published: 2016-02-25
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Customer Reviews

Cobra+ 0.27 Caliber Semi Automatic Powder Actuated Tool is rated 4.0 out of 5 by 25.
Rated 5 out of 5 by from Very capable tool Attaching the pressure treated 2X4 to steal columns or securing flake board to the concrete floor, this gun worked great and saved a lot of time for me. Since each surface of concreate and steel has different density, a standard guideline might not always work for every single scenario. I had to try it out first to see what works best. Once I gaged the power level I would need with the loads, I was flying through my task and I thoroughly enjoyed it. On board power adjustment had been very convenient for me in scenarios of under-drive, instead of using a higher load; I just increased the power level. Same worked for over-drive scenarios. So start with medium load and power level and then adjust up/down. As long as you use the right combination of the power, load and the pin, it will not under OR over drive. But then again, nothing is perfect. Tasks I used to achieve with rotary hammer and SDS bits are now done by this single gun in fraction of the time. It needs no charging or electric connection, a true mobile tool couldn’t get better than that. One very important feature it offers is that I cannot press the trigger until the tool is firmly pressed against the target and that brings peace of mind for me. Construction is solid and grip feels good in the hands. Slim carrying case offers sufficient storage space for my loads and pins. Eyes and ears protection is not just a good idea but rather must. Overall, I am very impressed with its capabilities and how it’s saving time and cost for me.
Date published: 2014-08-07
Rated 5 out of 5 by from Great performance and ease of use It’s my first power actuated tool and I am all-round impressed with its performance and ease of use. Pretty much all grades of concrete have the ability to compress into surrounding voids so this tool was perfect candidate for what I was trying to achieve. I fired about 100+ red loads to secure treated lumber with a 4 months old concrete for my garage extension using 3” pins. No miss fires and most of the pins were driven precisely. Once the pin secures the object, it isn’t easy to remove so make sure that the object is in place and aligned as you planned before you fire. I really appreciate the adjustable power through a simple dial that makes this tool quite flexible. Three power levels, three standard loads (Red, Yellow and Green) and then the size of the pin are not the only determining factors how precise the drive will be. You also need to consider composition of base material, thickness of the object to fasten and even the temperature. Considering all, fire some tests, get the right options and this gun will deliver every single time. Carrying case is nice, sturdy and has a pad lock slot. I love the fact that it will not fire until depressed against the target. User Manual is quite thorough and provides great operational techniques. That’s a must read. The kit comes with few extra parts, cleaning tools and eyes safety glasses. I am all for it and highly recommend it.
Date published: 2014-08-08
Rated 5 out of 5 by from I am working on a basement and borrowed a cheap hit with a hammer 22 unit. After many misfires a... I am working on a basement and borrowed a cheap hit with a hammer 22 unit. After many misfires and the fires that did occur still left a good 3/4 of an inch of the nail still out. I tried to finish a job with a 2 1/2 pound hammer but ended up breaking or bending them. After doing some research I decided to buy my own unit with a a larger caliber. Now all I had to do is fire a trigger. The nails set perfectly every time. I even have the option to set the power to my exact specification. The unit is a bit pricey but quickly makes up for the loss of time of have to fix an incompetent nail set.
Date published: 2016-12-29
Rated 4 out of 5 by from Solid Product I recently purchased the Ramset Cobra+ for use in on-going projects. The Cobra+ is heavy duty and reliable, and also very easy to use. My only complaint so far is that the "red" loads for it (supposed to be able to drive a 2.5" nail into hardened concrete) are leaving about .25" of the nail above ground when driving into asphalt. I believe that upping to the "purple" loads will solve this problem. Overall, it seems to work as advertised.
Date published: 2010-11-15
Rated 4 out of 5 by from easy to use follow directions and follow safety and cleaning test for certification was good easy to use follow directions and follow safety and cleaning test for certification was good
Date published: 2016-12-27
Rated 5 out of 5 by from 5star tool Does exactly what it is meant to very pleased would by again
Date published: 2017-01-10
Rated 2 out of 5 by from Not up to the job it was designed for This Ramset (the Cobra) was not up to the job and had to be returned. Previously used 22 cal unit with yellow (#4) loads but was not getting sufficient penetration through 2 x 6 yellow pine. Purchased the larger, more powerful Cobra unit (27 cal) and red (#5) high powered loads. Still not sufficient penetration through 2 x 5 with 2 1/2 fasteners to get the job done. Returned tool and used the "old fashioned" method with concrete drill (tungsten carbide + hammer drill) and steel fasteners. I don't think the time saving with the Cobra offsets the problems with insufficient penetration and holding power.
Date published: 2013-03-11
Rated 5 out of 5 by from HUGE time saver. This is the one of the, if not the, most time saving tools I own. When anchoring 2 by 4s to concrete to frame out a wall, I had been drilling a hole through the 2 by 4, then in to the concrete, and then using a concrete anchor. To install each anchor took about 3 minutes - drill the lumber, drill the concrete, insert the anchor, and finally tighten down the anchor. With this tool it takes me literally a second! I used a 3 inch anchor and it effortlessly went through the 2 by 4, through the 1/16th inch metal bottom plate, and in to the concrete. Locking everything in place. Operation could not be simpler. Load a strip of 10 'rounds' in to the base, add an anchor to the tip, press on to the surface to be anchored and pull the trigger, that is it!. After each anchor is fired, you cycle the cylinder (kind of like how you would a pump action shotgun) and the next round is chambered, just add another anchor to the tip and repeat. This is not one of those clumsy tools that require you strike the tip with a hammer, this just needs a simple pull of a trigger. I can't tell you how much I enjoy using this tool over the 'old fashioned' way. It is very fast, very easy to use, and works perfectly.
Date published: 2014-08-03
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