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Description
L-3 WESCAM MX-20 Master Control Unit P/N 45905-03 w/ Cert 2369 Hours Travel CaseL3Harris WESCAM Master Control Unit. P N 45905 03, S N 2093. Ex Raytheon unit, likely used for testing. The unit indicates 2369 hours on the meter. Includes Explorer 5833 wheeled travel case. I have 4 units available in varying condition, please see my other listings. No returns on this item, buyer must do due diligence on compatibility, etc. Buyer is welcome to inspect the unit in person. USA shipping only, please consult an exporter for other
L3Harris WESCAM Master Control Unit. P/N 45905-03, S/N 2093. Ex-Raytheon unit, likely used for testing. The unit indicates 2369 hours on the meter. Includes Explorer 5833 wheeled travel case.
I have 4 units available in varying condition, please see my other listings. No returns on this item, buyer must do due diligence on compatibility, etc. Buyer is welcome to inspect the unit in person.
USA shipping only, please consult an exporter for other destinations. It is certainly restricted to certain countries. Local pickup is free (PA zip 19464).
Condition: 2369 hours indicated on meter. No returns, buyer is responsible to confirm compatibility, etc. No overseas shipping, this is likely subject to export restrictions.
Please email with any questions!
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Exchange/Return Notes
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4.2 ★★★★★
Based on 1905 reviews
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Product Reviews
★★★★★ 3
My aggressive chewer had it roughed up in about 10 minutes, and she lost interest.
Both of my dogs were interested in these right away and started playing with them as soon as I gave them to them. After the first day though, they lost interest. They’ve had them for a couple of weeks now and I can’t really get them to go back to them. These aren’t squeaky toys, which is usually what they prefer, so that may be part of it.
The size is decent and works for both of my dogs. My smaller dog isn’t much of an aggressive chewer, but she did chew on it some.
My bigger dog is an aggressive chewer (about 85 lbs), and she had this one roughed up pretty quickly. After about 10 minutes, it already had some sharp, jagged edges. That makes me a little concerned about safety since it could scratch her mouth.
As far as chew resistance and durability, it didn’t hold up the way I expected for something advertised for aggressive chewers. For value, it’s not the best considering how quickly it wore down and the lack of continued interest from my dogs.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Tough, Engaging Chew Toys That Keep Dogs Busy and Happy
If you’ve got a strong chewer at home, this 2-pack dog ring toy set is a solid choice. It’s designed with durability and engagement in mind, and it really delivers on both.
Top Highlights
One of the best things about this set is the variety. With two ring-shaped toys featuring different grip angles, dogs get a more dynamic chewing experience. It’s great for single-dog homes to keep things interesting, and even better for multi-dog households since it helps prevent toy-related squabbles.
The nylon construction is impressively tough. These toys are clearly built for aggressive chewers and hold up well against repeated use. The ring-shaped block design is easy for dogs to पकड़ and chew, and the added bacon flavor is a big win—it grabs their attention immediately and keeps them coming back.
Sizing is well thought out too. These toys are ideal for dogs in the 20–60 lb range, but they’re sturdy enough to handle even stronger chewers on the higher end. They also work nicely for teething puppies, offering relief while encouraging proper chewing habits.
Another big benefit is how long they keep dogs occupied. These are the kind of toys that can save your furniture and shoes from destruction by giving your dog a better outlet for their energy. Longer chew time means more mental stimulation for them—and a little more peace and quiet for you.
They also double as dental support. The textured surface helps clean teeth and massage gums, turning playtime into something beneficial for your dog’s overall health.
Final Thoughts
This is a reliable, well-designed chew toy set that balances durability, fun, and functionality. Whether you’re dealing with an aggressive chewer or just want a long-lasting toy that supports healthy habits, this pack is a great investment for both you and your dog.
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Reviewed in the United States on March 28, 2026
★★★★★ 5
Finally a toy that isn’t destroyed in 7 minutes
This really is virtually indestructible! My dog is an aggressive tour and she has given this thing the business more often than not, and it does not even have a hole in it! My dog enjoys it immensely! It’s easy to take places. I love that it’s bright yellow and easy to see so I don’t trip over it! Definitely suitable for aggressive chewers!
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great choice for heavy chewers
Perfect for dogs that chew hard! Ours shred comparable toys at every turn, but this has held up beautifully. We’ve had it for a few months and it’s got minor wear and tear, but it is easy for them to play with, hardy, and worth every penny.
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Durable, Fun, soft enough to not break teeth
Finally found a quality toy that our 75lb Black Mouth Cur hasn't destroyed in 5 minutes! In fact it's been a few months now. There are teeth marks, but she hasn't been able to take a chunk out of it yet. It even has some bounce to it when you toss it. And she finds it fun.
Veterinary dentists recommend toys that are soft enough that you can leave a fingernail print in for toys that are less likely to break teeth, unlike bones and antlers. This is that toy! (My other dog broke both of her upper 3 rooted premolars on a Nylabone - healthy roots but the slab fracture exposed the pulp and had to be removed. Healthy roots are more difficult to remove. Dentists say those and antlers are money makers. 😭)
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Reviewed in the United States on February 17, 2026
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