ASSRA Forum - 11.15x58Rmm Spanish & 11x60Rmm Mauser

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11.15x58Rmm Spanish & 11x60Rmm Mauser (Read 3855 times)

Ray_Newman Senior Forum Member Offline Posts: 274 Location: Washington State Joined: Jul 13^th, 2004	11.15x58Rmm Spanish & 11x60Rmm Mauser Jun 24^th, 2016 at 8:14pm	Print Post
	Colleagues: have not shot the above calibre rifles in far too many years. Last time I fired them, I loaded Black powder, but now would like to try a smokeless load. Does anyone have a smokeless load for either of these calibres? Have a good supply of IMR3031 and SR4759. "Range Rumor" is to use Trapdoor .45-70 loads for both powders and calibres. But I 'dunno.'

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John in PA Oldtimer Offline Posts: 590 Location: Hollidaysburg, PA Joined: Nov 3^rd, 2009	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #1 - Jun 24^th, 2016 at 9:24pm	Print Post
	10-12 grains Unique with a tuft of dacron (say a 1/2" square?) to hold the powder on the primer. SR4759 trapdoor loads work fine. 20-23 grains, again with a dacron tuft (380-400 gr cast bullets). (from Lyman 3rd edition Cast Bullet Handbook). Peabodys and rolling blocks are stronger actions, and could handle 10% more, but your accuracy will not be any better than with the lighter loads. Honestly, I have buddies that shoot Unique and cast bullets in large capacity BPCR's all the time, and they swear by it. 3031 burns poorly unless pushing it to the limits of safe pressure in these guns. Lots of unburnt powder in the bore with light loads.

	John Wells Hollidaysburg, PA Peabody and Peabody-Martini's Wanted!
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desert-dude Senior Forum Member Offline Posts: 439 Location: Selah Joined: Jul 23^rd, 2013	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #2 - Jun 25^th, 2016 at 12:05pm	Print Post
	Double base pistol/shotgun powders seem to shoot well in large volume cartridges. I think I would try loads with out the dacron or other filler before I put anything in there that doesn't burn. AFIK dacron and other polymers just melt. In a big case with just a little powder the primer should cause lots of turbulence and provide good ignition. A day at the range should tell you all you need to know. YMMV Again just thinking out loud. I used 3031 in a 45-70 for hunting loads and had to go to magnum primers to avoid hangfires. Rifle was a Ruger #1.


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John Boy Ex Member	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #3 - Jun 25^th, 2016 at 12:54pm	Print Post
	IMR® TRAIL BOSS® REDUCED LOADS FOR RIFLE AND PISTOL ... read the loading procedure for any caliber (You need to *Login* or *Register* to view media files and links)


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Ray_Newman Senior Forum Member Offline Posts: 274 Location: Washington State Joined: Jul 13^th, 2004	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #4 - Jun 29^th, 2016 at 10:45pm	Print Post
	John Boy: thanks for the post about loading with Trail Boss. I load it in .45 Colt and .38-40 WCF, but 'nevva' gave it a thought about loading it for anything else. Again, thanks.

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corerftech Senior Forum Member Offline Posts: 263 Location: Memphis, TN Joined: Mar 3^rd, 2014	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #5 - Jun 30^th, 2016 at 11:45am	Print Post
	As I recall Lee's Second Edition has BOTH cartridges. I pulled my book up: Mauser in Lees Guide shows only both varieties of 4198 (IMR/H) 43 Spanish with full weight bullets (385gr), Varget, H4198, REL 7 Below 385Gr, XMR2495, 4350, 5744, 4198, H4895 If you need specific data for a powder, glad to relay the loads form the book. Mike
	« Last Edit: Jun 30^th, 2016 at 1:51pm by corerftech »

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Ray_Newman Senior Forum Member Offline Posts: 274 Location: Washington State Joined: Jul 13^th, 2004	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #6 - Jul 1^st, 2016 at 12:51pm	Print Post
	Mike: I borrowed a Fellow Shooter's copy of Richard Lee's "Modern Reloading", 2 edition (2013 printing date), but I did not find the 43 Spanish/11.15x 58Rmm or 43 Mauser/11x60Rmm listed in the index. Would you check what edition and printing date of Lee's book you have? If different than the one I borrowed, I would like to find a copy. Thanks.

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corerftech Senior Forum Member Offline Posts: 263 Location: Memphis, TN Joined: Mar 3^rd, 2014	Re: 11.15x58Rmm Spanish & 11x60Rmm Mauser Reply #7 - Jul 1^st, 2016 at 1:05pm	Print Post
	sent you some data


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