Ontario RAT 1A Assisted Opener Knife | Satin Blade | Tan Handle | 8870TN

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Product Overview

Ontario RAT 1A Assisted Opener Knife | Satin Blade | Tan Handle | 8870OD


$5 FLAT RATE SHIPPING on OKC RAT 1A Assisted Opening Knife with Satin Blade and Tan Handle, Satin Finish, 8870OD

The most popular Ontario Folding Knife, the RAT 1 has gotten a big upgrade - Assisted Opening and an Tan G10 handle! A modified version of the RAT I folder, this model is equipped with Ontario's patent-pending Tactical Assisted Opening (T.A.O) designed by Joe Pardue. Otherwise, the Ontario RAT 1A Assisted Opener Folder knife has the same configuration of the RAT 1 folder featuring a .115" thick, 3-12" AUS-8 Stainless Steel blade ground to a full flat taper with a plain edge and satin finish. The Tan G10 handle is textured for an even more secure grip. The Ontario RAT 1A Assisted Opener Folder knife measures 5" closed. The Ontario RAT 1A Assisted Opener Folder knife deploys super fast with the Tactical Assisted Opening and is 8.5" in overall length. The Liner lock offers a secure open position on the RAT IA Assisted Opening folder. Rockwell Hardness on the Ontario RAT 1A Assisted Opener Folder knife is 55-56 HRC. The Ontario RAT 1A Assisted Opener Folder knife comes with a removable pocket clip installed which allows for tip-up or tip-down, left-handed or right-handed carry.

Ontario RAT 1A Satin Blade Plain Edge Tan Handle Assisted Opening Folder Knife Snapshot:

  • RAT 1A Assisted Knife Blade Length: 3-1/2"
  • RAT 1A Assisted Knife Thickness: .115"
  • RAT 1A Assisted Knife Blade Grind: Full Flat Taper
  • RAT 1A Assisted Knife Blade Material: AUS-8 Stainless Steel
  • RAT 1A Assisted Knife Blade Finish: Satin
  • RAT 1A Assisted Knife Blade HRC/Hardness: 55-56 HRC
  • RAT 1A Assisted Knife Handle Material: G10
  • RAT 1A Assisted Knife Handle Length: 5" (Closed Length)
  • RAT 1A Assisted Knife Handle Color: Tan
  • RAT 1A Assisted Knife Overall Length: 8.5"
  • RAT 1A Assisted Knife Carry System: Removable Pocket Clip

Editor's Review of Ontario RAT Folder Knife: I remember when Ontario Knife and Jeff Randall collaborated to produce these RAT Folders years and years ago. Honestly, it's the folding knife I carry in my pocket every single day. You couldn't ask for a more practical folding pocket knife. The RAT folder has a slim design that's not bulky in your pocket, it deploys quickly with a thumbstud and quick flick of the wrist. I use my RAT folder nearly every day for regular work tasks like opening boxes, cutting, etc., and I only sharpen it every few months at most. The liner lock toggles easily (but not too easily) for quick closing, but in all the years I've carried it, it has never failed. The RAT II Folder is a bit smaller and more ideal for smaller hands - but all in all, any of the RAT Folder Knives are, in my opinion, an excellent choice for an everyday carry pocket knife.


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  • 5
    Ontario RAT 1A

    Posted by Marcus Henry on May 5th 2020

    I am a huge Rat series knife fan. I have Rat 5, Rat 3 multiple Rat 2's and a Rat 1. The Rat 1a takes the folder to the next level. It's already my EDC knife and I have used it extensively at home and at work. It deploys fast and its very secure. When you first get it work the safety and blade repeatedly for a few min. It doesn't take long to do an initial break in. I run a machine shop so I'm often cutting plastic banding or shrink wrap on metal stock. This is not a nice environment for a blade. They get abused. The edge has held up through it and I have only had to do a light hone and strop to bring it back so far. I'm extremely pleased with the purchase and as a side note Ontario has amazing customer service. They communicated a delay in my order very quickly and gave me other options as well as expected wait time. Ok Since I'm here on the Ontario site I might as well look for my next knife review candidate............