B&T MP45 and MP9N

by Steve Johnson

Updated: January 9th, 2013

Earlier this week I blogged about new Brügger & Thomet APC9. The company has also launched two new version of the MP9/TP9. The MP45, as the name suggests, is chambered in .45 ACP. The second is called the MP9N (N as in Nato) and has a few different internal parts and a new selector switch.

B&T MP45

B&T MP9N

B&T MP9N – Note the rails attached to the suppressor!

The lightweight MP45 does not look like it easy to handle!

[ Many thanks to Starik for emailing me the link. Photo © Starik]

#MachineGun #.45 #9mm #MachineGuns #SubMachineGun #B&T #Mp45 #Mp9

Steve Johnson

I founded TFB in 2007 and over 10 years worked tirelessly, with the help of my team, to build it up into the largest gun blog online. I retired as Editor in Chief in 2017. During my decade at TFB I was fortunate to work with the most amazing talented writers and genuinely good people!

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7 of 21 comments

Elk hunter on Oct 29, 2011

Hey, just the gun for close range hog hunting in Texas with!
How about chambering it in:
400 CorBon
38-45
10mm Auto
9x25 Dillon
Or make it a little bigger and chamber it in:
45 Win. Mag.
475 Wildey (the new Death Wish gun!)
50 Action

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- See 1 previous
- Other Steve on Oct 31, 2011
  
  @elk hunter Wait, is that sarcastic? Wow, I don't think a single one of those calibers makes any sense over 9mm and 45acp.
  
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- CalAnon on Jan 15, 2012
  
  @elk hunter Steyr originally wanted to chamber this in .380ACP, 9x19mm, 10mm Norma (10x25mm), and there was a technology demonstrator/prototype made by B+T in 4.6mm HK soon after they acquired the design. Of course, there was no interest in any of those calibers.
  What might make sense is chambering it in 6.5mm CBJ (it's one of those Small Caliber/High Velocity cartridges designed to pierce armor), since 6.5mm CBJ is the same overall length as 9x19mm (and in fact is based on the 9x19mm case, so, all that's needed is a barrel change), as the 6.5mm round is designed to pierce armor.
  
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Netforce on Oct 31, 2011

They both looks very interesting. However, it's not like the old MP9 model I once saw. It's the one with a short barrel, much shorter than pictured here. Not sure what the exact name was but these MP45 & MP9N look much better.

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- See 2 previous
- Other Steve on Oct 31, 2011
  
  @Netforce No, I think you're mistaken. Both the 45 and the 9 pictured above have the same 5" length barrel the MP9/TP9 originally had. Same as the Steyr too. Nothing has changed there.
  For what it's worth, the barrel of the MP9 can not be seen except from the muzzle end. That part you are seeing is a barrel guide. The barrel travels and rotates inside that guide.
  Wait.... are you looking at the suppressor and calling that the barrel? O.o
  
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- Netforce on Nov 01, 2011
  
  @Other Steve Haha, no to your last question. And yeah, I think I was mistaken. Thanks for the explanation.
  
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- Faris on Oct 30, 2013
  
  @Other Steve No, I own both the MP9 and the MP9N i noticed several differences between the two:
  mp9 has traditional rifling and a longer barrel while the MP9N has polygonal rifling and a shorter barrel. may be an inch shorter
  Also the suppressors are different the MP9 suppressor has a piece like a barrel extension that connects to the barrel which i didn't find on the MP9N suppressor
  
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