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6622729
01-21-2016, 11:52 AM
I have an AR-15 in 300AAC and shoot the Lee 312-155-2R supersonic. I now have a use for suppressed subsonic in 300AAC and am looking for a good cast boolit design. I'll be shooting at varmints in the 100 yard range. They only need holes in them, I don't care if they drop immediately. I'm trying to protect my ducks from mink, racoon skunk and possum. Potentially there is a fox in the area too. Does anyone have experience cycling the NOE 311-198 SP through an AR? I might be putting a thermal scope on the AR and want to keep my nightime shooting signature to a minimum, hence the desire to suppress.

Moonie
01-21-2016, 02:30 PM
They might work, generally you need to stick with 200gr+ boolits to successfully cycle with subs. You might get away with it better if you have a pistol length gas system.

6622729
01-21-2016, 03:19 PM
I'm carbine length. Planned powder is A1680. Primer is CCI mil-spec #41. I also like the looks of the 311-202-RN or 312299 (202gr). I don't want to get out to 230gr and heavier if I don't have to.

Blammer
01-21-2016, 07:43 PM
I don't shoot subs but the 311041 shoots very nice in my 300 BO AR.

May want to look for a plain base version of it.

NOE has one I think.

petroid
01-21-2016, 08:04 PM
The Lee 309-230 is good for cycling, but many report accuracy issues. I can get the lee C312-185-1R to cycle with my 12.5" pistol gas upper. It drops at 192 with 50/50 and tumble lubed sans gas check at 196gr. The round nose hits a little harder than the long skinny one.

6622729
01-21-2016, 09:35 PM
The Lee 309-230 is good for cycling, but many report accuracy issues. I can get the lee C312-185-1R to cycle with my 12.5" pistol gas upper. It drops at 192 with 50/50 and tumble lubed sans gas check at 196gr. The round nose hits a little harder than the long skinny one.

Not considering the Lee 230 for exactly that reason. The 312-155-2r is fantastic supersonic. Now im trying to work up a great subsonic. Are you shooting the 185 subsonic?

petroid
01-21-2016, 10:26 PM
Not considering the Lee 230 for exactly that reason. The 312-155-2r is fantastic supersonic. Now im trying to work up a great subsonic. Are you shooting the 185 subsonic?

Yes if I remember right 11gr 1680 seems to be the ticket for me at 1000fps

Elkins45
01-22-2016, 09:16 AM
I have two of those molds, one PB and one GC. I water quench the PB ones and shoot them subsonic suppressed through my pistol length AR. Somewhere between 7-8 grains of a medium speed pistol powder gives me just below Mach 1. This particular bullet is the most accurate one in my 10" gun that I have found so far. I'm shooting 7.5 grains of Alcan AL-8, but when the jug runs out there won't be any more so I'm trying to find an equivalent load with either Longshot or 800-X.

The hard pointy bullet feeds perfectly in my AR.

6622729
01-22-2016, 03:53 PM
I have two of those molds, one PB and one GC. I water quench the PB ones and shoot them subsonic suppressed through my pistol length AR. Somewhere between 7-8 grains of a medium speed pistol powder gives me just below Mach 1. This particular bullet is the most accurate one in my 10" gun that I have found so far. I'm shooting 7.5 grains of Alcan AL-8, but when the jug runs out there won't be any more so I'm trying to find an equivalent load with either Longshot or 800-X.

The hard pointy bullet feeds perfectly in my AR.

Pointy? You're talking about the Lee C312-185-1R?

2wheelDuke
01-22-2016, 04:00 PM
I've got the 311299 to cycle in a pistol length AR, but I did have a lighter buffer spring in it. I might have had it going supersonic though. I don't have a can yet and was just plinking with it.

Your best bet would be to see if you can get somebody to send you some to try before you commit to a mold.

DaveNZ
11-17-2016, 06:03 PM
I have an AR-15 in 300AAC and shoot the Lee 312-155-2R supersonic. I now have a use for suppressed subsonic in 300AAC and am looking for a good cast boolit design. I'll be shooting at varmints in the 100 yard range. They only need holes in them, I don't care if they drop immediately. I'm trying to protect my ducks from mink, racoon skunk and possum. Potentially there is a fox in the area too. Does anyone have experience cycling the NOE 311-198 SP through an AR? I might be putting a thermal scope on the AR and want to keep my nightime shooting signature to a minimum, hence the desire to suppress.


Ive just obtained the same lee mould
would you happen to have any good data fo this that you would be willing to share
cheers

DaveNZ
11-17-2016, 06:08 PM
Does anyone have data for the lee 185gn round nose?
powders I have are ap70n, ap50n, win231, h4895, ar2308

Echo
11-17-2016, 07:36 PM
I had that mold, but the blocks were mis-matched, and cast a boolit that wouldn't roll, fetching up against the ledge caused by the mismatch. Tried re-setting the pins, no joy, so I sold it...

Elkins45
11-19-2016, 02:29 PM
Pointy? You're talking about the Lee C312-185-1R?

10 months later a reply :) No, I was talking about the NOE 311365.