
M3/M4 Wire Size Info
Size:
B4
You will most likely be on this page after a recommendation from MTT, you can find lots of information on this page and it is important you read over before purchasing your muzzle. It explains the size, how it could fit, shows dog charts, comparison charts, where to purchase and more. Be sure to scroll to the bottom.


Size/Name Information
M3/M4 muzzles are only recommended for their B sizes since they work well with shorter noses. Sometimes there are exceptions to this which is why we have other sizes listed.
Other names they commonly have:
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Bronze dog
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Dogsmylove
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Juliusk9
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Jk Wire
Before continuing on we highly suggest you have read over the relevant info on Muzzle Options. Especially if any sizing information is confusing to you.
How It Could Fit
Length: This size works best with noses between 1.75” and 2.5”. Depending on your dog's length, you may need to modify your muzzles noseband. A smaller/bigger measurement will also work in some situations.
Width: This size usually works best with widths between 3” and 3.75”. This measurement is a bit more relaxed but wider is better than narrower. Most muzzles will need some amount of squishing over the nose, which is why width is more relaxed.
Muzzle Height: The B4 has a front height of 5”. We always size to a full pant or height accurate to a full pant. If measured correctly, this should fit well. Depending on use, sometimes it can be slightly over the measurement where full pant isn’t needed. It’s also fine to be slightly under the height too.
Other measurements: If your dog is on the shorter end of length, the chin length may end up being long, which usually needs different modifications. The only way to tell if this will be an ‘issue’ is to try the muzzle out, most of the time it still works good.
• If your dog is in between sizes we will likely give you two or more options. Please see the other links (if there’s any) for information on size.
Dog Charts
Comparisons
CHOPO
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B4 vs 20F: Here
Where & How To Purchase
Purchase Option 1/2
FDT ‘M9/M10’ (WORLDWIDE)
Fordogtrainers aren't the best place to purchase from, though following below will help greatly in everything going well. We don't recommend using them if you can help it.
While their international shipping is okay, the cost is a little pricey and shipping is slower. They also use CHOPO as a supplier but use their own numbers and measurements (Same as D&T sizes and the F sizes on LEERBURG). See here for how they size, shipping and wait time info.
What to do for best outcome:
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Pick the model (M9/M10) and location you want
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Pick the size given on rec (1-30) *drop down may say ‘I will fill my dogs measurements’, click that to select size.*
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Do NOT give them any information like measurements, breed, size or age. They WILL size wrong and possibly refuse to refund.
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Use PayPal, using this ensures you have back up if they try to refuse a refund/exchange. They may also help with the return shipping fee.
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Once purchased it’s likely they will email/call you for your information, reply to ‘send the size you ordered’. They will send it.
Not following the above puts you at high risk of getting the wrong size and not being able to return it.
M9= NORMAL WIRE, M10= RUBBERISED
US:
Normal wire (m4): CLICK HERE
Rubberised (m3): CLICK HERE
UK:
Normal wire (m4): CLICK HERE
Rubberised (m3): CLICK HERE
CANADA:
Normal wire (m4): CLICK HERE
Rubberised (m3): none on website
AUSTRALIA:
Normal wire (m4): CLICK HERE
Rubberised (m3): none on website
NEW ZEALAND:
Normal wire (m4): CLICK HERE
Rubberised (m3): none on website
MIDDLE EAST:
Normal wire (m4): CLICK HERE
Rubberised (m3): none on website
EUROPE:
Normal wire (m4): CLICK HERE
Rubberised (m3): CLICK HERE
Purchase Option 2/2
OTHER OPTIONS
You can also purchase the M4 from Dean and Tyler (excluding some sizes): CLICK HERE
BRONZE DOG, JULIUS K9 ETC US: Bronze dog: Click HERE
AUS: Julius K9: Click HERE
UK:
CANADA:
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Click HERE
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Click HERE