Heavy bullets load for 7,62x39

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  • Last Post 03 May 2017
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FilippoMo posted this 01 May 2017

I wonder if anyone has developed loads for 200 gr (and heavier) cast bullets and velocity recorded.

Filippo

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shootcast posted this 01 May 2017

George Sloan shot the 7.62x39 at both Leetown IWLA & Fairfax R&G . He passed away about decade ago. His data can be researched on web site past matches. He did very well.

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shootcast posted this 01 May 2017

Sorry you will have to go find a way to go before 2007. If possible?

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4570sharps posted this 01 May 2017

Where can I find some information ? I have a mini Mauser in this caliber I'm gonna shoot with cast bullets.

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Ken Campbell Iowa posted this 01 May 2017

i stumbled on some new lapua x39 brass a while back in my stash  ... takes large primers tho ... pm me if

i think this cartridge is kinda ignored for cast .. probably because of the association with the military rifles it is found .

ken

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Ken Campbell Iowa posted this 01 May 2017

... oh, on the 200 grain ... be sure to check the twist in your barrel ... guessing you need 10, possibly 12 twist , depending on bullet shape .

ken

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Larry Gibson posted this 01 May 2017

Where can I find some information ? I have a mini Mauser in this caliber I'm gonna shoot with cast bullets.

 

 

I have a Mini Mk X Mauser also.  Tried the 314299 briefly.  Did fine until I had to remove a loaded round.  With bullet seated to GC at bottom of case neck the OAL of the loaded cartridge was too long to eject. Because the ejector is not pivoted out removing the bolt did not work either.  Had to pry the case out of the bolt face.  I found a max OAL of 2.25" -  to be it for the Mini Mk X.

 

I have developed several loads with the RXBS 30-180-FN (bullets actually weighed 190 gr.  but they were seated deep to not exceed the 2.25" OAL.  The 311291 and 311-41 are about the heaviest (177 - 179 gr) that I have found to be practical in the Mini Mk X.

 

LMG

Concealment is not cover.........

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onondaga posted this 02 May 2017

FilippoMo

” 

 

Cal. 7.62X39

Rifle: Remington Spartan single shot 24" barrel, chrome lined and polished bore. These rifles come with a 10 lb trigger pull, I worked mine down to 3 lb.

Bullet Lee TL309-230 -5R, B.C. = .640, actual weight 221 gr in #2 Alloy, sized .3125" Not gas checked for this load, plain boat tail. My mold casts large and is easily sizable for any 30-31 cal.

Winchester Brass, CCI #200 LR primers

LOA for my rifle 2.500"

Charge 6.9 gr H Titegroup, Chrono tested 20 shot avg. 1117fps

Charge 5.6 gr H Titegroup, chrono tested 950 fps

Accuracy was not outstanding, just under 1" @ 50 yds, 1.2" @ 100 yds. Dozens of 5 shot groups had even dispersion with no fliers. The bullet shoots consistently at these load levels from my rifle. The subsonic load is a decent, very inexpensive, head shot squirrel load up to 50-65 yards

 

Gary

 

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JeffinNZ posted this 02 May 2017

"Accuracy was not outstanding, just under 1" @ 50 yds, 1.2" @ 100 yds."

Gary, your definition of not outstanding is better than most folks extremely accurate.

Cheers from New Zealand

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lotech posted this 02 May 2017

There is extensive load data in an article in HANDLOADER #177 (1995) using a variety of cast bullets weighing up to 200 grains +. Two rifles were used in developing data, both new Ruger 77 Mark IIs. Twist may be 1 in 10", but I don't recall for sure.

I have not personally tried the Lyman #314299 in a 7.62x39, but based on what experience I have had with heavy bullets in this cartridge, I think it would be worth a try.  

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Tom Acheson posted this 02 May 2017

A long time ago I had an MOA Maximum (brand) silhouette handgun chambered in this. At the time I think it was Remington that offered brass with small primer pockets. That gun had a 1:10 twist and 10.5" barrel. It was quite accurate. The favored CB for it was the RCBS 180-grain silhouette (no longer on the RCBS website).Not real sure if 180-grains qualifies as "heavy" for this discussion. That experience has me on the lookout for an AR chambered similarly.

 

Tom

 

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45 2.1 posted this 02 May 2017

 The favored CB for it was the RCBS 180-grain silhouette (no longer on the RCBS website).

Hmmmm................. memory tells me they produced a 165 gr. and a 200 gr. silhouette molds, when did a 180 gr. happen?

 

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Tom Acheson posted this 02 May 2017

They had a 180 silhouette (or was it a "spire point" but looked like the silhouette nose section of the other versions and a 180 flat point. At one time I owned all of them. My XP-100 in 30 BR liked the 165-Silhouette version.

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lotech posted this 02 May 2017

I have all of these including the 160 (165?) and 200 silhouettes. Both 180 versions are quite accurate. The 200 should be but mine has an undersized nose and group sizes are mediocre at best. Haven't used it in years. As I recall, the 160 shoots well, but the 180s are a little better in regular .30 calibers like the .30-40, .308, and '-06.   

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shootcast posted this 03 May 2017

I have RCBS molds in 165 sil., 180sp , 180 FN and 200 sil.  165 & 180 sp are basic look a likes. Same design, 180 just a little longer with another band & lube groove. Two diameter nose bore ride and band groove. The 200 sil. Is a tapered nose to band with a single groove.

Checking back to journal No. 171, 2004  George Sloan shot the RCBS180 in 7.62x39 . His data shows [email protected] 21.5gr. 1917 fps. This in a Heavy class rifle.

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