JavaScript is disabled
Our website requires JavaScript to function properly. For a better experience, please enable JavaScript in your browser settings before proceeding.
Messages
1,117
Reactions
597
9mm and 40 are too powerful for blowback operation in handguns but in carbines I can only find a few that lockup. Can anyboby explain?

Here's the carbine style I'm looking for, but preferably in 40. 414-355-CMR-30_1.jpg

But locks up like a rifle cartridge. Also, buffer tubes are out. So are supersonic velocties. This would be a backyard/coyote gun mostly.
 
MPX-C-Detail-L.jpg

I saw that but I didn't realize it used an unlocking bolt. Better accuracy, less recoil, less gasses in the right eye.

Yep that'll do if they allow us to have them.
 
The one in your picture is the real problem child right now for Sig.
They got cute with the ATF and are involved in a lengthy law suite over their interpretation of what constitutes a pinned flash hider/mono core suppressor to make their short barreled rifle legal length.

What you want is the short barrel version with the Sig brace, or better yet the 8 1/2" pistol version and then apply for a form 1 to make it into an SBR and then add the stock shown in your post.
They are all suppressor ready.
The receivers are made to switch between 9mm, 4o s&w and .357 Sig calibers with no tools.
I have money down on one so I will be first in line when they show up at my favorite gun store.

These are Sigs vision of a poor mans HK MP5
mpx-cat.jpg
 
The Tommy gun originally used a blish lock.
They removed it in WWII. And it worked fine.:D

The mass of the bolt needed for any blowback carbine would make it a little heavier I suppose. But the simplicity and reliability would be worth it.

And there are 9mm/45 blowback handguns.;)

subguns 003.jpg
 
Last Edited:
9mm and 40 are too powerful for blowback operation in handguns but in carbines I can only find a few that lockup. Can anyboby explain?

Here's the carbine style I'm looking for, but preferably in 40. View attachment 212700

But locks up like a rifle cartridge. Also, buffer tubes are out. So are supersonic velocties. This would be a backyard/coyote gun mostly.

I am so confused here. What do you mean, "9mm and 40 are too powerful for blowback operation in handguns", isn't that how most handguns operate?????

I am not sure where you are finding pistol caliber rifles that have locking bolts, usually there is not enough power to operate them.

Why can't you have buffer tubes and supersonic ammo? Every 9mm AR has one and can shoot supersonic ammo......

I know the Desert Eagle handguns are gas operated and have a rotating bolt, but they are not rifles.......
 
Your confused? You should be!

The norm in a pistol is a barrel that stays locked to the slide for the first 1/4'' or so of travel. Then with a cam surface. Or link. The barrel is unlocked from the slide. You loose the mass of the barrel. But keep the recoil spring resistance and the mass of the slide. The slide keeps moving rearwards. Ejecting the shell.

Yes Deaeert Eagles are gas operated. But don't forget lugers toggle lock. CZ 52 roller locked. And HK's P7 gas retarded system with fluted chamber.

Then you have nifty little guns like the 32 Seacamp [Seecamp?] .
It has a bulge like area in the chamber. It uses the bulge in the fired and deformed brass to retard the ejection.

Revolvers have there varieations also. Like the COP 357 with four barrels and firing pins. With a rotating hammer.
Or the 1895 Nagant. With it's gas check system. It moves the cylinder forward when it's cocked to form a seal. The ammo looks a little freaky too?

There are even variations on blowback Carbines. The PS-90 is a blowback. But the barrel also moves back about a 1/16th '' with recoil.
 
Good add Medic ;) The MAC series and High Points are also straight, unlocked blowback.

Almost all 9mm and up handguns lock the action via Browning tilt barrel, rotating barrel, etc.

Buffer tube is out because I want a folding stock.

Supersonic is out because of the noise and also I didn't want someone suggesting a different caliber.

Desert Eagle doesn't make a carbine with the same system as their handguns.
 
Now I'm confused. How's that Sig pistol not an SBR? Must be over 26" with the stock collapsed right?

And why on earth would Sig poke the ATF with a stick after just dodging the bullet with that Sig brace fiasco. Like anybody would ever strap that stupid thing to their fore arm and use it "properly". Come on.


Back to the topic at hand...

The Taurus Circuit Judge is kind of an odd little carbine but I'd bet it barely kicks at all with .45LC ammo.
Looks heavy enough, I haven't handled one yet.
Might be fun to shoot, at least it has a swing out cylinder.

Wonder if you can shoot .45 Auto with moon clips in those things?
 
No but the Desert Eagle can be had with a sixteen inch barrel!:s0140:

If you want .44 magnum. How about the Deerfield Ruger? It has a rotating bolt like the mini-14.

Heck. May as well get a 30 carbine. Rotating bolt and five pounds.

wwII 009.jpg
 
Last Edited:
26" is the max length when stock extended, not folded.

Check out the Styer GB. It's a gas delayed system, not gas operated. Still neat though not only cause it's different but the barrel doesn't move.

steyrgb07.jpg
 
No but the Desert Eagle can be had with a sixteen inch barrel!:s0140:

If you want .44 magnum. How about the Deerfield Ruger? It has a rotating bolt like the mini-14.

Heck. May as well get a 30 carbine. Rotating bolt and five pounds.

I can top that.:)I have a Taurus Thunderbolt pump with a 28" barrel in 45C.

I thought about a M1 carbine 9mm conversion and I found one. It said it was blowback operated.:mad: Guess they plugged the gas port.
 
My first try was the 45C pump. Very difficult to scope, difficult to suppress and it would be the length of a civil war rifle if I did. It does lockup the action very well though.:D

The Mech-Tec looked perfect on paper, doublestack mags(glock even) but I don't like feeling that heavy bolt coming back adding to the recoil. Plus it shoots paperplate sized groups at 10 yrds. :mad: The big scope was me attempting to isolated the problem. 005.JPG
 

Upcoming Events

Centralia Gun Show
Centralia, WA
Klamath Falls gun show
Klamath Falls, OR
Oregon Arms Collectors April 2024 Gun Show
Portland, OR
Albany Gun Show
Albany, OR

New Resource Reviews

New Classified Ads

Back Top