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297/230 long Francotte Martini loads (Read 2798 times)

Aussie_Hunter Full Member Offline Posts: 198 Location: Hervey Bay,Queensland Joined: Jul 7^th, 2008	297/230 long Francotte Martini loads Nov 17^th, 2018 at 4:43am	Print Post
	I have one of these beautiful little rifles, and have made 100 cases (from 22 hornet brass) I now want to shoot the thing, have pulled projectiles from old .22lr ammo and have checked original loads, which appear to be 3.0g FFFg compressed down into the "bowl" of the case with a cardboard wad filling the neck of the case by .24" with the projectile going .16 into the neck of the case, the projectiles I have pulled from original ammo weigh in at 37.5grains heeled. Am proposing to use ex/22lr pulled projectiles weighing 40.0 grains and heeled, but would like suggestions as to a nitro equivilant load to the original 3.0g black powder load. Thanks for any suggestions,


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craigster Oldtimer Offline Posts: 823 Location: lost coast CA Joined: Feb 20^th, 2011	Re: 297/230 long Francotte Martini loads Reply #1 - Nov 18^th, 2018 at 11:43pm	Print Post
	40% of the black weight using using 4198 (H or IMR) is the most common, and used, "standard" equivalent.


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ratseye Full Member Offline Posts: 202 Location: Eastern, PA Joined: Feb 28^th, 2017	Re: 297/230 long Francotte Martini loads Reply #2 - Nov 19^th, 2018 at 6:41am	Print Post
	That would be about 2.2 grains of 4198. The idea of using pulled 22's is a good one but I don't think there is enough bullet weight or resistance in this cartridge to get a good burn with this powder. I think something quicker like Unique or even Trail Boss might work better in this little case. ratseye


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Fred Boulton Oldtimer Offline Posts: 801 Joined: Jan 6^th, 2007	Re: 297/230 long Francotte Martini loads Reply #3 - Nov 19^th, 2018 at 11:29am	Print Post
	I shot this calibre for some years, along with 297-25. In the larger calibre, Unique gave good results, but, in 297-23 it was useless. I used .22 rimfire bullets obtained direct from Eley and finally settled on a load of around 3 grn of 2400. Not quite as good as my Greener .22 rimfire, but not much worse either. Fred


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craigster Oldtimer Offline Posts: 823 Location: lost coast CA Joined: Feb 20^th, 2011	Re: 297/230 long Francotte Martini loads Reply #4 - Nov 19^th, 2018 at 12:59pm	Print Post
	Trail Boss sounds like a plan.


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tim_s Oldtimer Offline Posts: 830 Location: 13066 Joined: Oct 11^th, 2006	Re: 297/230 long Francotte Martini loads Reply #5 - Nov 19^th, 2018 at 8:02pm	Print Post
	Try 1 1/4-1 1/2 grains of Bullseye to start.

	“ I don’t have to be faster than the bear, I just have to be faster than you”
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Fred Boulton Oldtimer Offline Posts: 801 Joined: Jan 6^th, 2007	Re: 297/230 long Francotte Martini loads Reply #6 - Nov 20^th, 2018 at 9:25am	Print Post
	Bullseye will not work----tooo fast. Fred


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tjshooter Participating Member Offline Posts: 49 Joined: Aug 2^nd, 2009	Re: 297/230 long Francotte Martini loads Reply #7 - Nov 20^th, 2018 at 10:13am	Print Post
	As far as Bullseye is concerned I have 2 x .297/230's 1 is a Francotte training rifle with an as new bore this will shoot with Bullseye 1.2grs and 40 gr bullet. The BSA Mod 6 will not. 2400 shoots well in that. Twist Rate variation? TJ.


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ratseye Full Member Offline Posts: 202 Location: Eastern, PA Joined: Feb 28^th, 2017	Re: 297/230 long Francotte Martini loads Reply #8 - Nov 20^th, 2018 at 7:47pm	Print Post
	Try 1.4 - 1.5 grains of Trail Boss. Some of my rifles perform well with it and others don't. Unique seems to work in a majority of of the small cases. At least for me. ratseye


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Aussie_Hunter Full Member Offline Posts: 198 Location: Hervey Bay,Queensland Joined: Jul 7^th, 2008	Re: 297/230 long Francotte Martini loads Reply #9 - Nov 21^st, 2018 at 9:34am	Print Post
	Thank you all for your info, will give Trail Boss a go, as I use it for most of my pistol target loads (down to 1.4g for my Walther .32 S & W long with 82g button nose wad cutter projectile ) with very good results. with the exception of the Walther all other pistol loads are slightly compressed and this seems to suit it. Will advise results, thanks again, David A.


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