ASSRA Forum - 357 Mag (rifle) suggested loads ?

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357 Mag (rifle) suggested loads ? (Read 3307 times)

Cat_Whisperer Frequent Elocutionist Offline No 1, 9.3x74R Posts: 3987 Location: Mountains of Virginia Joined: Apr 17^th, 2004	357 Mag (rifle) suggested loads ? Aug 13^th, 2016 at 8:25am	Print Post
	Ruger #3 heavy barrel, Canjar trigger - finally getting it rolling. Looking for suggestions on loads - bullets and powder.

	Cat Whisperer (trk) Chief of Smoke Pulaski Coehorn Works and Skunk Works Drafted May 1970, Retired Maj. U.S.Army assra #9885
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bnice Frequent Elocutionist Offline Posts: 1964 Location: Iowa Joined: Nov 30^th, 2006	Re: 357 Mag (rifle) suggested loads ? Reply #1 - Aug 13^th, 2016 at 9:06pm	Print Post
	breech seating? I shoot a 260grn brooks using #9. let me know if you have trouble feeding cases in. I find them hard to load because the straight case and I bell the mouth. Thinking of rounding the chamber mouth like on a 1911 match gun


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beltfed Frequent Elocutionist Offline Posts: 1826 Location: Central Wi Joined: Dec 20^th, 2007	Re: 357 Mag (rifle) suggested loads ? Reply #2 - Aug 13^th, 2016 at 9:13pm	Print Post
	What twist is your barrel. Has a lot to do with what (length) bullets you choose. My Martini Cadet/ 357mag , 13 twist barrel, shoots the lyman 358316 , 200 grain bullet very well with a load of 13-14 gr 4227. beltfed/arnie


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Cat_Whisperer Frequent Elocutionist Offline No 1, 9.3x74R Posts: 3987 Location: Mountains of Virginia Joined: Apr 17^th, 2004	Re: 357 Mag (rifle) suggested loads ? Reply #3 - Aug 14^th, 2016 at 7:39am	Print Post
	I'll have to measure it. It is not as fast a what I'd like - will have to breech seat - normal chamber. Thanks for the loads - that gives me an idea of what is likely to work!

	Cat Whisperer (trk) Chief of Smoke Pulaski Coehorn Works and Skunk Works Drafted May 1970, Retired Maj. U.S.Army assra #9885
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bnice Frequent Elocutionist Offline Posts: 1964 Location: Iowa Joined: Nov 30^th, 2006	Re: 357 Mag (rifle) suggested loads ? Reply #4 - Aug 15^th, 2016 at 8:54am	Print Post
	Mine is a 1 in 10 so the heavier bullets work fine.


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frnkeore Frequent Elocutionist Offline Posts: 7664 Location: Central Point, OR 97502 Joined: Jun 16^th, 2010	Re: 357 Mag (rifle) suggested loads ? Reply #5 - Aug 15^th, 2016 at 2:15pm	Print Post
	My Original LW, was re-bored and chambered 357 Mag, when I got it. It has a 28", 20 twist barrel and I did little load develpoememt with it, before I had it re-chambered to 357 Max (I call it a 38 XL). Fixed loads are with H&G 150 GC bullet, BSed loads are a 162 PB, both SWC. Fixed: B'Dot 10.0, 1652 10.5, 1692 Best B'Dot 11.0, 1719 296 14.8, 1680 820 16.0, 1866, best fixed load BSed: 7.0, Unique, 1325 B'Dot 9.0, 1348, Best BS 12.0, 1776 820 16.0, One shot, 1839, to fast for PB Regarding twist, after re-chambering to Max, I shot the 358315 (208 gr GC) and the 35875 (208 gr PB) w/o tipping. The 35875, I shot, BSed, at 1437 fps and got 1" groups @ 100 yd. Frank

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Cat_Whisperer Frequent Elocutionist Offline No 1, 9.3x74R Posts: 3987 Location: Mountains of Virginia Joined: Apr 17^th, 2004	Re: 357 Mag (rifle) suggested loads ? Reply #6 - Aug 15^th, 2016 at 7:28pm	Print Post
	Hmmmm. THANKS, Frank! I can see re-chambering this for 38XL (now that I've got a bunch of .357Max brass). I think this is going to take some work developing the load, but there's potential.

	Cat Whisperer (trk) Chief of Smoke Pulaski Coehorn Works and Skunk Works Drafted May 1970, Retired Maj. U.S.Army assra #9885
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