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starting a 7.62x40

getting started on a 7.62 x 40 gas gun it is a wildcat round necked up .223 but has some good balistics so thought I would give one a go

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Re: starting a 7.62x40

Interesting project.I wish I had my health back so I could have my shooting hobby back.If 6mm Remington would fit in a AR-10 magazine I'd rebarrel a AR-10 for that round. That's my favorite wildcat...

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Re: starting a 7.62x40

you know that could be done it is hard but could be done coal of 2.775 @ 6mm (.244) and 2.80 @ .308 it is in the ball park mags may be your problem

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Re: starting a 7.62x40

A .243WSSM (6mm) has an overall coal of 2.295 FWIW,  

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Re: starting a 7.62x40

well the tables must be wrong as mine in speer and hornady manuals are as follows and the 244 is as stated above 6 MM 2.825 243 WSSM 2.360 308 2.810 but I know that mistakes are made in these books...

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Re: starting a 7.62x40

I use old data, new data, data from bullet manufactures and data from powder manufactures, I then use a combination of this data to build my own loads.  I have a Hornady and a Speer manual from the...

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Re: starting a 7.62x40

ray it looks like were in the ballpark I do not do the .243 much except for clients most of my stuff is in the military calibers and a few others but the 243 in an ar platform is out there and can be...

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Re: starting a 7.62x40

I'm not real sure that I understand the term "Gas Gun" can you expand on that a bit please?  I have read the information available from Wilson Combat as well as Wilson Tactical and have to say that I...

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Re: starting a 7.62x40

Ray,His 7.62x40mm project would make a good silenced gun project.A .30 caliber bullet, subsonic would be a very quiet gun with a silencer. Some States still allow silencers.

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Re: starting a 7.62x40

You cannot obtain subsonic loads using Wilsons load data. Wilson supplies data on the top end for a 110 and 125 grain load.  The big variable here is they specify Lake City brass,  I load Lake City...

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Re: starting a 7.62x40

ray there blow back guns, use gas presure to eject and load rounds it is my simple term for them. As to the sub sonic, the load tables from wilson are a bit sparce they have some loads for up to 150...

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Re: starting a 7.62x40

$249 for a Gas Piston Conversion kit for your AR-15 upper:http://www.brownells.com/...AS-PISTON-CONVERSION-KITHas a knob to turn the gas off for sub-sonic loads.Have a 1-8 twist barrel and you can lob...

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Re: starting a 7.62x40

ray there are a small group working up some subsonics for the round it is very similar to the 3oo wisper, and wilson had some subsonic loads and has not published them on there web sight there is a...

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Re: starting a 7.62x40

macvrlamm wrote:ray there are a small group working up some subsonics for the round it is very similar to the 3oo wisper, and wilson had some subsonic loads and has not published them on there web...

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Re: starting a 7.62x40

New To the forum,   Have had a 7.62x40 before Wilson Combat aquired it from Kurt . To clear a few misconceptions. the 7.62x39 has a limited number of bullets available due to the .310 bore and the max...

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Re: starting a 7.62x40

stdriver have some 10000+ once fired lake city for brass get it out in the desert off a range out there go out once or twice a month and get as much as i can its free so thats what i use for relaods....

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