ASSRA Forum - Starting with the .405 winchester for BPCR

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Starting with the .405 winchester for BPCR (Read 5731 times)

beltfed Frequent Elocutionist Offline Posts: 1826 Location: Central Wi Joined: Dec 20^th, 2007	Re: Starting with the .405 winchester for BPCR Reply #15 - Jun 27^th, 2019 at 12:34pm	Print Post
	Oh, please note that my DDEPP bullet for 16 twist, as shown in the third pic is now available from Buffalo Arms: Jim403380E. beltfed/arnie


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KFW Oldtimer Offline Posts: 634 Location: Wyoming Joined: Dec 18^th, 2016	Re: Starting with the .405 winchester for BPCR Reply #16 - Jun 27^th, 2019 at 1:14pm	Print Post
	wow Beltfed no one can argue over the groups you shot, especially the pp one! Sure is alot of exposed lube on a few of them, could be a magnet for the Montana prairie when she blows! best kw


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beltfed Frequent Elocutionist Offline Posts: 1826 Location: Central Wi Joined: Dec 20^th, 2007	Re: Starting with the .405 winchester for BPCR Reply #17 - Jun 27^th, 2019 at 3:45pm	Print Post
	KW, Indeed, the exposed lube grooves could be an issue in a windstorm. Your looking at the 40-82 Silhouette would mitigate that problem and allow all or most ggs in the case neck -- along with my "40-65 level" powder charges. And, I would certainly agree with your thought of going with a 14 twist barrel. Oh, my charge under the 371 gr DDEPP bullet is 74.5gr Swiss 1.5 for actual 1402fps over my Oehler. Really flat shooting and can run with the 45s. FWIW, I have moved to the DDEPP(DualDiameterEllipticalPaperPatch) bullets for the 40-65 and the 40-72 /12 twist. beltfed/arnie


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Deadeye Bly Frequent Elocutionist Offline Posts: 1145 Location: Stephens City Joined: Feb 25^th, 2011	Re: Starting with the .405 winchester for BPCR Reply #18 - Jun 27^th, 2019 at 8:37pm	Print Post
	I drop tubed 1 1/2 Swiss into a 40-82 case to within .40" of the top. It held 67 grains non compressed with no wad on top. The 40-70 in a Krag case was about the same. In a 405 Hornady case it came up about 1/8" higher.


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beltfed Frequent Elocutionist Offline Posts: 1826 Location: Central Wi Joined: Dec 20^th, 2007	Re: Starting with the .405 winchester for BPCR Reply #19 - Jun 27^th, 2019 at 11:37pm	Print Post
	Deadeye, My load for the 40-72W with paper patch bullet is 85 grains of my old lot of Swiss 1.5., 24" helical drop tube; comes within about 0.060" of the fire formed 405w Hornady brass case mouth. I compress with 0.060" LDPE wad to about 0.125" from mouth for my 448gr DDEPP bullet. beltfed/arnie


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