Four O Nine

[allanabramoff]

Has anyone else heard of or know anything about this case?? Apparently ive heard it is just .40S&W brass necked to fit 9mm bullets, similar to the .357 sig only its not due to the .40 brass. I heard there is a gunsmith in Alberta who has built one or two....anyone??

 

[CyaN1de]

I believe a lot of the IPSC Open shooters use a 40 S&W necked down to 9mm. Maybe try the Handgun forum if no one chimes in here.

 

[unstableryan]

yeah I have some brass for it actually, IPSC range pickup.. I'll buy a barrel for my gun if I find enough cases

all I need is a silly enough reason for more gun parts.

 

[Freedom Ventures]

Very popular in the West with IPSC Open division. They call it "9 by 40". Cape Custom and Armco in BC build / built guns on it, as did Paul Barette in Quebec. I assume Rodger Kotanko and Omega Custom will / have built guns on it too.

Basically, a cheaper Canadian version to the 9 by 25 (Necked down 10mm) invented by Dillon and Rob Leatham for IPSC competition back in the early 90s.

Upside is you can run very slow powders (IE. H110) that make compensators work extremely efficient while using cheap brass and keeping pressures manageable.

Downside is if they shoot it internationally, they have a capacity disadvantage to the 38 supercomps.

The gunsmith needs a 40 caliber slide and a .355 barrel, and the special reamer to make it happen.
This not something you'd try on a parts bin gun (Glock, Colt, Springfield, CZ, etc. - unless you really want to kill it)
You need a quality CNCed Slide out of barstock like the STIs, SVIs and Caspians and a really good barrel like STI, Scheuman, Nowlin or Barsto.