ASSRA Forum - breech seating with Black. Always fill the case

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breech seating with Black. Always fill the case (Read 1864 times)

Seanmp Senior Forum Member Offline Posts: 294 Location: Land O Lakes Joined: May 19^th, 2014	breech seating with Black. Always fill the case May 20^th, 2014 at 5:57pm	Print Post
	Hello everyone I'm hoping to tap into your expertise. I'm just about to try breech seating with a 45-70 and I've done multiple searches on here and just cant find a specific answer. Is it necessary to always fill the case? This rifle has a healthy chamber and a caseful of drop tubed powder is 83+ gr of FFg But the gun shoots best around 72gr with fixed loads. If you can use reduced loads does the wad get pushed down to the powder level? plus some compression? How far is too far?

	Sean
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Mal Full Member Offline Posts: 236 Location: Adelaide SOUTH AUSTRALIA Joined: Dec 5^th, 2012	Re: breech seating with Black. Always fill the case Reply #1 - May 20^th, 2014 at 7:05pm	Print Post
	Hi Seanp, I shoot a 40/65 BS 70gns wono P small amount of compression with a LDP wad that leaves a tad under 1/2" gap,I just then fill the space with floral foam.works for me. Kind Regards Mal.


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Seanmp Senior Forum Member Offline Posts: 294 Location: Land O Lakes Joined: May 19^th, 2014	Re: breech seating with Black. Always fill the case Reply #2 - May 20^th, 2014 at 8:33pm	Print Post
	Alright I'm guessing the floral foam controls the acceleration of the wad as it comes up against the base of the bullet

	Sean
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Mal Full Member Offline Posts: 236 Location: Adelaide SOUTH AUSTRALIA Joined: Dec 5^th, 2012	Re: breech seating with Black. Always fill the case Reply #3 - May 21^st, 2014 at 1:07am	Print Post
	Hi seanmp, I think it just fills the air space,I'm sure there are people on this forum know a lot more than me on this subject, I got the idea from here!! I found my cases had less blow by , cleaner inside,groups about the same,bonus seems a much cleaner burn.We also tested my mates Hi-Wall, 45/70 Snover barrel, 510grn buff- arms projectile, 70gns Wano P LDP wad slight comp.fixed Whitelighting lube, shot 1" 100yds first time out.He was rather chuffed to say the least!! This Snover barrel sure does shoot. Kind regards Mal.in Australia .


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