ASSRA Forum - What 40 caliber should I go with?

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What 40 caliber should I go with? (Read 15064 times)

SSShooter Frequent Elocutionist Offline Posts: 2917 Location: Southern NJ Joined: Aug 1^st, 2010	Re: What 40 caliber should I go with? Reply #30 - Feb 10^th, 2017 at 1:08pm	Print Post
	MartiniBelgian wrote on Feb 10^th, 2017 at 5:42am: 40-50 BN - easy to form from 45-70. Surprised that no one has mentioned this number... The OP mentioned that his original 44 1/2 is too narrow to fit the 45-70 case. Has to be based on something smaller in diameter, like the 30-40 case for the 38-40 or .303 case for the 40-50SS.

	Glenn - 2x CPA 44 1/2 w/22LR (Shilen ratchet-rifled & Bartlein 5R rifled), 38-40RH & 38-55WCF (Bartlein 5R rifled) & 40-65WCF (GrnMtn 'X') barrels
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marlinguy Frequent Elocutionist Offline Ballards may be weaker, but they sure are neater! Posts: 15862 Location: Oregon Joined: Feb 2^nd, 2009	Re: What 40 caliber should I go with? Reply #31 - Feb 10^th, 2017 at 6:27pm	Print Post
	The .405 case has an almost identical size base and rim as a .30-40 Krag case, and would make a good choice in a shortened version that should fit a Stevens 44 1/2 easily.

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4060may Full Member Offline Posts: 168 Location: Richfield Joined: Jul 12^th, 2006	Re: What 40 caliber should I go with? Reply #32 - Feb 11^th, 2017 at 10:29am	Print Post
	I installed a 40-60 Maynard barrel on an original 44 1/2 Stevens...OAL with 400gr bullets can be a problem. The hammer has to be over-cocked to fit the round past it..a 40-50 SBN or 40-50 SS would work fine with 350gr bullets


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Bulseyetom Oldtimer Offline Posts: 947 Location: Santa Maria, Ca Joined: Oct 31^st, 2010	Re: What 40 caliber should I go with? Reply #33 - Feb 11^th, 2017 at 5:57pm	Print Post
	40-60, what was the maximum oal before you had problems with the hammer? That dimension will dictate what I can use. Tom


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Schuetzenmiester Frequent Elocutionist Offline Posts: 6707 Location: Cool Wet Side of WA Joined: Apr 27^th, 2008	Re: What 40 caliber should I go with? Reply #34 - Feb 11^th, 2017 at 6:43pm	Print Post
	Bulseyetom wrote on Feb 11^th, 2017 at 5:57pm: 40-60, what was the maximum oal before you had problems with the hammer? That dimension will dictate what I can use. Tom You can flatten the hammer. I had an original 44 1/2 that had the hammer flattened so it could be cleaned from the breech.

	"some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence
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4060may Full Member Offline Posts: 168 Location: Richfield Joined: Jul 12^th, 2006	Re: What 40 caliber should I go with? Reply #35 - Feb 12^th, 2017 at 12:21pm	Print Post
	measuring what I have 2.9" will hit the hammer I don't have the Rifle, it was a friends that I did the work for I think he bent the hammer or bought a speed hammer from CPA and had it fitted the 40-60 with a 350gr RCBS bullet will be about 2.6" long something I remembered the rifle has to be fully cocked to insert the loaded round...the rim will just clear the nose of the hammer, my friend Buffalo Chips shoots a 4070SS on the 44 1/2 but he Breech Seats and the 2.5"case just clears the hammer nose HTH


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vol717 Junior Member Offline Posts: 92 Location: Tennessee Joined: Feb 17^th, 2007	Re: What 40 caliber should I go with? Reply #36 - Feb 20^th, 2017 at 11:02pm	Print Post
	I'm just about to embark on building a .405 Winchester on a Borchardt using a barrel that is .403 bore .411 groove. That's pretty much a 40 caliber. I chose that barrel because I can shoot cheap Hornady factory ammo through it with .411 bullets.


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Cat_Whisperer Frequent Elocutionist Offline No 1, 9.3x74R Posts: 3859 Location: Mountains of Virginia Joined: Apr 17^th, 2004	Re: What 40 caliber should I go with? Reply #37 - Feb 24^th, 2017 at 6:56pm	Print Post
	I have the .405 Win in a Ruger #1 and in a Japanese High Wall and the 40-65 a CPA. Not a lot of difference. I like the .405 because of the straight case. R#1 is most comfortable OH and the CPA best at the bench. Watch the bore and groove diameters - match them well with the bullets.

	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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