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25 20ss load (Read 3584 times)

Redrighthand Full Member Offline Posts: 204 Location: New Liberty Iowa Joined: Jan 24^th, 2021	25 20ss load Jul 18^th, 2022 at 12:03pm	Print Post
	25 20ss CPA with a 100gr breach seated bullet. I started at 7.5gr of 4227 and they are doing 3" @ 100 yards of a rest. That sucks. Where should I be starting with this combo? I'm thinking more powder....

	Mike Brooks
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art_ruggiero Frequent Elocutionist Offline Posts: 1084 Location: CT Joined: Dec 14^th, 2008	Re: 25 20ss load Reply #1 - Jul 18^th, 2022 at 12:15pm	Print Post
	try 7 and work up art


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Redrighthand Full Member Offline Posts: 204 Location: New Liberty Iowa Joined: Jan 24^th, 2021	Re: 25 20ss load Reply #2 - Jul 20^th, 2022 at 6:35pm	Print Post
	I must be the only person here shooting 25 20ss......

	Mike Brooks
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Cat_Whisperer Frequent Elocutionist Offline No 1, 9.3x74R Posts: 3878 Location: Mountains of Virginia Joined: Apr 17^th, 2004	Re: 25 20ss load Reply #3 - Jul 20^th, 2022 at 7:17pm	Print Post
	Redrighthand wrote on Jul 20^th, 2022 at 6:35pm: I must be the only person here shooting 25 20ss...... there are several - I'm watching this too!

	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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oneatatime Frequent Elocutionist Offline Posts: 3867 Location: Rocky Mountains Joined: Oct 30^th, 2011	Re: 25 20ss load Reply #4 - Jul 21^st, 2022 at 1:54am	Print Post
	Breech seated with heavy bullets - probably not too many.


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Piltdownman Participating Member Offline Posts: 32 Location: West USA Joined: Apr 10^th, 2022	Re: 25 20ss load Reply #5 - Jul 21^st, 2022 at 2:02am	Print Post
	I shoot a Barnett pointed at about 115g with 4227 and h110 in a 25-20 single shot breech seated. Its a 1-10 Douglas on a Stevens. I'll check the charges by weight as all I have is measure numbers settings my box for reference. I had to get to about 1300 iirc for groups to get under moa.

	If I hear another millenial use the term "node" or "optimal " at the range I'll scream!!!
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85lc Junior Member Offline Posts: 50 Location: Georgia Joined: Jun 28^th, 2018	Re: 25 20ss load Reply #6 - Jul 21^st, 2022 at 10:18am	Print Post
	What is your twist rate? The traditional twist rate (as used by Stevens and others) is 1/14 which does not stabilize bullets heavier than 86 gr. Many new barrels apparently use a 1/10 twist rate which should stabilize 100 gr bullets.

	NRA Life Member, ASSRA Life Member, GGCA Life Member
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Piltdownman Participating Member Offline Posts: 32 Location: West USA Joined: Apr 10^th, 2022	Re: 25 20ss load Reply #7 - Jul 21^st, 2022 at 10:44am	Print Post
	85lc wrote on Jul 21^st, 2022 at 10:18am: What is your twist rate? The traditional twist rate (as used by Stevens and others) is 1/14 which does not stabilize bullets heavier than 86 gr. Many new barrels apparently use a 1/10 twist rate which should stabilize 100 gr bullets. CPA typically uses 1-10 for their 25 calibers .the OP mentioned it was a CPA so I'm assuming it's like my barrel.

	If I hear another millenial use the term "node" or "optimal " at the range I'll scream!!!
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Redrighthand Full Member Offline Posts: 204 Location: New Liberty Iowa Joined: Jan 24^th, 2021	Re: 25 20ss load Reply #8 - Jul 21^st, 2022 at 11:05am	Print Post
	Mine is a 1 in 10 Shilen.

	Mike Brooks
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stevenjay1 Participating Member Offline Living in the woods! Posts: 41 Location: So NH, But not too close to MA Joined: Mar 15^th, 2015	Re: 25 20ss load Reply #9 - Jul 23^rd, 2022 at 1:47pm	Print Post
	Well, I do have an old Stevens model 44 in 25-20SS. I’m just punching paper at 50 and 100 yards, the rifle has a pitted bore, a Lyman tang sight, a beech front sight and a blind 74 year old shooter but it still shoots very well with 4 grains of unique and a 86 grain cast bullet. Very mild and for me an accurate load. Just adding my two cents.

	Just another homesick Texan that shouldn't of left in the first place! Tonkin Gulf Yacht Club - 8/69 to 8/71 NRA Life Member CRPA Member
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MT Chambers Full Member Offline Posts: 141 Location: Foam Lake, Saskatchewan Joined: Oct 3^rd, 2011	Re: 25 20ss load Reply #10 - Jul 23^rd, 2022 at 7:55pm	Print Post
	105 gr. noe breach seated with 8.1 grains 4100


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Pinwheel Participating Member Offline Posts: 12 Joined: Apr 27^th, 2010	Re: 25 20ss load Reply #11 - Jul 24^th, 2022 at 12:33pm	Print Post
	I had excellent results with 7.4 gr 4227, 93 gr Barnett bullet, 40/1, BS, 12 twist - consistently well under .5" @100 yds. All 4227 is not the same. Use Hodgdon made in Australia if you can find it.


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MAH Participating Member Offline Posts: 11 Joined: Feb 8^th, 2018	Re: 25 20ss load Reply #12 - Jul 24^th, 2022 at 3:42pm	Print Post
	Searching for answer also with the 25-20 SS. A 1-10 lined barrel on a #2 Ballard Action. Shooting a Saeco 100 gr bullet cast 16-1. 7.8 grains of H4227 shot very well about an inch group at 100 yards. Decided to throat the barrel to bring the bullet out a bit deeper into the barrel. Lost my accuracy and starting over. MAH


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Cbashooter Frequent Elocutionist Offline Posts: 1572 Location: Eastern Wa. Joined: Mar 31^st, 2018	Re: 25 20ss load Reply #13 - Jul 24^th, 2022 at 3:43pm	Print Post
	Pinwheel wrote on Jul 24^th, 2022 at 12:33pm: I had excellent results with 7.4 gr 4227, 93 gr Barnett bullet, 40/1, BS, 12 twist - consistently well under .5" @100 yds. All 4227 is not the same. Use Hodgdon made in Australia if you can find it. you'd win every match entered with "consistently" well under .5 at 100 yards. just sayin....


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Cbashooter Frequent Elocutionist Offline Posts: 1572 Location: Eastern Wa. Joined: Mar 31^st, 2018	Re: 25 20ss load Reply #14 - Jul 24^th, 2022 at 3:44pm	Print Post
	[quote author=3E36303B2136273A213637530 link=1658160217/12#12 date=1658691753]Searching for answer also with the 25-20 SS. A 1-10 lined barrel on a #2 Ballard Action. Shooting a Saeco 100 gr bullet cast 16-1. 7.8 grains of H4227 shot very well about an inch group at 100 yards. Decided to throat the barrel to bring the bullet out a bit deeper into the barrel. Lost my accuracy and starting over. MAH[/quotesaying.... what saeco mold #?


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