Defense Technologies First Defense OC Stream MK-4 1.3% Solution Red Band Pepper Spray (3.0-Ounce)

By on October 17, 2015
  • Defense Technology First Defense OC Foam MK 4 1.3% Solution Red Band Pepper
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Amazon Price: $18.30 $18.26 You save: $0.04 (%). (as of October 24, 2016 6:26 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Defense Technology is the world’s most widely used pepper spray in law enforcement and corrections, First Defense has just gotten better. In providing a complete line of aerosols, First Defense is able to offer an OC level of intensity ranging from .2% Major Capsaicinoids to 1.3% MC. The variations in the MC% means that officers can now select the correct level of intensity of OC they need for their environment. First Defense uses independent laboratory testing to ensure consistent quality of each product. Formulation Weight: 3 oz. Delivery System: Stream.

Product Details

  • Shipping Weight: 5.6 ounces
  • Domestic Shipping: This item ships only within the U.S. excluding certain locales such as AR, CA, DC, FL, HI, MA, MI, NC, NJ, NV, NY, SC and WI.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Origin:  USA
  • ASIN: B001TOP524
  • Item model number: 43445

Customer Reviews

It works on Great Danes, but you better practice aiming

 on January 28, 2014
By Mike55
Carry it in your hand or you’ll never have time to deploy it against a fast moving aggressive dog–and your hand better be steady when you aim it. It worked for me when the other dog became aggressive as it neared mine, but I won’t be carrying the spray in a holster in the future.

Great value, great product.

 on September 15, 2016
By Justin J
I bought this after researching pepper sprays for about 2 weeks. I Haven’t had to use the product in a defensive manner but I did preform a test spray and must say that I’m impressed by the distance that the product shoots. I will update this review if I ever have to use this product in a defensive manner.

Be careful

 on March 5, 2018
By tamia
This item tends to drip or leak after its first deployment. I was getting dressed before work one morning and making minor adjustments to my duty belt as I usually do. About a hour later while on duty I rubbed my left eye not knowing that a small amount of OC had dripped down the front of the bottle and ended up making contact with my hand sometime that morning. Fortunately I was not driving at the time as this could have resulted in something a lot worse than burning eyes. I recommend everyone that carries OC rub the top off after you use it for the first time. That is the only flaw I’ve noticed in this product in the 4 years I’ve been using it.

I am a Corrections Officer in the state of Washington …

 on May 3, 2018
By Monkey Paws
I am a Corrections Officer in the state of Washington and I carry this product. I have been sprayed with this OC and it is most unpleasant. Being retired military, I have been shot, stabbed and blown up and none of these hurt as much as this OC does. I have seen inmates fall onto the ground screaming for Momma. If you buy this product I would suggest buying the inert spray to practice aiming and using this product. Trust me it is worth every penny. If you want to open a can of whoop a$* this is it.

Used this in the Academy

 on December 18, 2012
By R. Landis
Def Tech Mk 4 is what we used in the academy. Really hot product. A one second burst took down our toughest guys. OC takes about 30 seconds to take full effect, but they were out of the fight after that. Water based product makes clean up of overspray somewhat easier.

Highly recommended – probably the strongest practical pepper spray on the market – good range – about fifteen feet!

 on November 28, 2016
By Nachtjager
This stuff works! Used it to take care of a mean dog in the neighborhood – he doesn’t come near my yard anymore! Does have red dye in it, so be careful where you’re spraying it and don’t be downwind – when I caught a wind-blown bit of it, I was coughing and seriously regretting that for hours! Strong stuff and well worth the money!

Great & Good To 15-20 Feet Away!

 on June 14, 2018
By Siffert
This MK-4 large spray can shoots a nice thick spray out to 15-20 feet and my testing proved the distance! Though distance may decrease as you draw down on the can. Vastly superior to the smaller sized MK-6 which shoots a thin spray out to about 6 feet.

2% which feels like getting soap in your eye and being in an …

 on September 26, 2016
By alex torres
As a correctional officer this is our only defense to protect ourselves, the county issues us a 0.2% which feels like getting soap in your eye and being in an overcrowded maximum security prison we need something strong enough to contain a situation until the calvary arrives. This works well, it’s very potent and effective the only reason I gave it four stars is because the cans come half empty which will last me maybe two uses.

Good distance, copious stream.

 on April 24, 2018
By john p. blankenship
I haven’t had to use it yet. Will amend rating if I ever have to use it.

Excellent

 on September 13, 2017
By Brad S
I haven’t needed to actually use it yet, but it fits well in my pants pockets & Is easier to find & retrieve than smaller ones I have to fish around for.

About William Douglas

My passion is to teach what was passed down to me – the skills of self-sufficient living. Some call it survival or prepping. I call it wisdom. And my goal is to convey my wisdom and knowledge in a way that is doable for the average person.

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