CMMG 5.7 Pistol

[jk_636]

http://www.thetruthaboutguns.com/2018/07...in-fn-5-7x28mm/ For those fans of the 5.7 who were looking for a PDW-esque pistol.

 

[billt460]

I've never understood the attraction to this cartridge. In the FN pistol it might make some sense. But not in an AR platform gun, long or short. More expensive, harder to obtain ammo. And nowhere near the power of the 5.56 in an exact same size gun.

 

[hatt]

5.56 isn't ideal in sub 10 inch guns. These new guns look pretty cool. Edit: It looks pretty easy to get sub $.40/rd 5.7 ammo. It's not crazy expensive vs 5.56.

 

[CT8]

The pistol comes close to a 22 mag performance.

 

[billt460]

Originally Posted By: hatt

It's not crazy expensive vs 5.56.

It looks to be close to double. https://www.cdnnsports.com/fn-5-7x28-ss198lf-ammunition-500rd-10-boxes-of-50.html#.W1rc77fn93E

 

[bdcardinal]

Originally Posted By: billt460

Originally Posted By: hatt

It's not crazy expensive vs 5.56.

It looks to be close to double. https://www.cdnnsports.com/fn-5-7x28-ss198lf-ammunition-500rd-10-boxes-of-50.html#.W1rc77fn93E

That's a good price. Bass Pro usually has boxes of 50 5.7x28 for $29.99. I have a nice stockpile of it for my Five-SeveN.

 

[hatt]

Originally Posted By: billt460

Originally Posted By: hatt

It's not crazy expensive vs 5.56.

It looks to be close to double. https://www.cdnnsports.com/fn-5-7x28-ss198lf-ammunition-500rd-10-boxes-of-50.html#.W1rc77fn93E

Cdnn isn't the only place that sells ammo and FN isn't the only place that makes ammo. Go to ammoseek. Federal 40 grain FMJ currently $.36/rd.

 

[john_pifer]

Originally Posted By: hatt

5.56 isn't ideal in sub 10 inch guns. These new guns look pretty cool. Edit: It looks pretty easy to get sub $.40/rd 5.7 ammo. It's not crazy expensive vs 5.56.

5.56 out of an 8” barrel probably still beats 5.7x28mm out of an 8” barrel.

 

[hatt]

Originally Posted By: john_pifer

Originally Posted By: hatt

5.56 isn't ideal in sub 10 inch guns. These new guns look pretty cool. Edit: It looks pretty easy to get sub $.40/rd 5.7 ammo. It's not crazy expensive vs 5.56.

5.56 out of an 8” barrel probably still beats 5.7x28mm out of an 8” barrel.

For sure. At the expense of significant noise and blast and increased wear on parts from the short gas system.

 

[john_pifer]

Originally Posted By: hatt

Originally Posted By: john_pifer

Originally Posted By: hatt

5.56 isn't ideal in sub 10 inch guns. These new guns look pretty cool. Edit: It looks pretty easy to get sub $.40/rd 5.7 ammo. It's not crazy expensive vs 5.56.

5.56 out of an 8” barrel probably still beats 5.7x28mm out of an 8” barrel.

For sure. At the expense of significant noise and blast and increased wear on parts from the short gas system.

Yeah, it would be begging for a suppressor.