ASSRA Forum - Primer pocket swaging

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Primer pocket swaging (Read 11550 times)

KFW Oldtimer Offline Posts: 634 Location: Wyoming Joined: Dec 18^th, 2016	Re: Primer pocket swaging Reply #15 - Oct 13^th, 2019 at 9:09pm	Print Post
	JLouis, JerryH thank you, the info you provided is exactly what I need to construct a swage. This sites members tech experience is amazing. kw


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beltfed Frequent Elocutionist Offline Posts: 1826 Location: Central Wi Joined: Dec 20^th, 2007	Re: Primer pocket swaging Reply #16 - Oct 13^th, 2019 at 11:13pm	Print Post
	One thing. Once you re-form the LR primer pockets to LP depth, you will want to make sure, by marking the brass such that some other person/or yourself does not inadvertently try to use LR primers in them again. Just asking for high primers/safety issue beltfed/arnie


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Cbashooter Frequent Elocutionist Online Posts: 1634 Location: Eastern Wa. Joined: Mar 31^st, 2018	Re: Primer pocket swaging Reply #17 - Oct 14^th, 2019 at 12:43am	Print Post
	Hiwall55 wrote on Oct 13^th, 2019 at 5:30pm: I had Kermit make me one of those years ago, you can use the RCBS to swage it back to Lg Rifle. If you shoot LP in a LR pocket it comes back .013 and will eventually damage your breech block. I bet I've shot 50,000 lp primers in lr pockets in single shots and yet to see any damage to a breech face. id like to see proof if this.im not talking hi pressure loads, just target type.


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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Primer pocket swaging Reply #18 - Oct 15^th, 2019 at 9:01am	Print Post
	Cbashooter wrote on Oct 14^th, 2019 at 12:43am: Hiwall55 wrote on Oct 13^th, 2019 at 5:30pm: I had Kermit make me one of those years ago, you can use the RCBS to swage it back to Lg Rifle. If you shoot LP in a LR pocket it comes back .013 and will eventually damage your breech block. I bet I've shot 50,000 lp primers in lr pockets in single shots and yet to see any damage to a breech face. id like to see proof if this.im not talking hi pressure loads, just target type. But of course, if one were shooting high pressure loads, one wouldn't be using pistol primers.

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KFW Oldtimer Offline Posts: 634 Location: Wyoming Joined: Dec 18^th, 2016	Re: Primer pocket swaging Reply #19 - Oct 15^th, 2019 at 11:31am	Print Post
	Guys I made my die using the reference material shown above. Just tried it out in my RCBS rocker chucker press. I can't seem to swage (move the web) any amount so far, I have my 155lbs off the floor. I cut a window in one piece of 45-70 brass to see whats happening at the head and there is not even a dent! What kind of press have you all been using? I am wondering if this is a hydraulic press operation. I have the rod reduced to .200 dia. at the tip. I don't think annealing the head would be wise. best kw


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JerryH Frequent Elocutionist Offline ASSRA Member #10876 Posts: 1328 Location: Easton, CA Joined: Nov 9^th, 2014	Re: Primer pocket swaging Reply #20 - Oct 15^th, 2019 at 12:04pm	Print Post
	I used my RCBS Rockchucker press. I do remember that following the instructions for adjustment was critical. JerryH

	I'm not a complete idiot, some of my parts are missing.
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Hiwall55 Senior Forum Member Offline Posts: 468 Location: west central Illinois Joined: Jun 30^th, 2012	Re: Primer pocket swaging Reply #21 - Oct 15^th, 2019 at 1:25pm	Print Post
	Well you have something wrong ,because I dont even use my rockchucker,I use my Rcbs junior. I do all kinds of brass, move it from .030 to .020.


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KFW Oldtimer Offline Posts: 634 Location: Wyoming Joined: Dec 18^th, 2016	Re: Primer pocket swaging Reply #22 - Oct 15^th, 2019 at 1:59pm	Print Post
	I took my die assembly and squared it up in my kurt milling machine vice and cranked the handle a bit and it worked perfect! The pocket is right on the money for a pistol primer. Maybe I need a small cheater bar on my rock chucker handle...dunno. Maybe my 45 yr old press has less mechanical advantage than a new model.....dunno again? I think this die will work perfect once I get more ram pressure. kw


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KFW Oldtimer Offline Posts: 634 Location: Wyoming Joined: Dec 18^th, 2016	Re: Primer pocket swaging Reply #23 - Oct 15^th, 2019 at 4:30pm	Print Post
	got my re versed engineered malfuntion fixed, and the little die works great. Made another ram plunger from a grade 5 9/16 bolt and using a Lyman universal de capper die body with a rim counter bore I am in business. Cost was 2 bolts. thanks kw.


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JLouis Frequent Elocutionist Offline Posts: 10625 Joined: Apr 8^th, 2009	Re: Primer pocket swaging Reply #24 - Oct 15^th, 2019 at 5:58pm	Print Post
	Great news!

	" It Is Better To Now Have Been A Has Been Than A Never Was Or A Wanna Be "
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Cbashooter Frequent Elocutionist Online Posts: 1634 Location: Eastern Wa. Joined: Mar 31^st, 2018	Re: Primer pocket swaging Reply #25 - Oct 15^th, 2019 at 6:36pm	Print Post
	I'm not trying to be a contrary in this thread but why is the big worry about the shallower pistol primers at low pressures in a deeper rifle pocket a big deal? Because when I mike my Winchester large pistol to large rifle primers there's only a difference of .004 between the pistol and rifle.


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beltfed Frequent Elocutionist Offline Posts: 1826 Location: Central Wi Joined: Dec 20^th, 2007	Re: Primer pocket swaging Reply #26 - Oct 15^th, 2019 at 7:16pm	Print Post
	again, no breech block set back with thousands of LP primers in LR pockets with BP loads. I note cba shooter mentions only 0.004" height between LR and LPs. have not measured the heights again recently, but, I wonder what the heights would be if the anvil is "crushed" into the cup on each one, as in Fired primers heights compared out of BP loads. beltfed/arnie


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Hiwall55 Senior Forum Member Offline Posts: 468 Location: west central Illinois Joined: Jun 30^th, 2012	Re: Primer pocket swaging Reply #27 - Oct 15^th, 2019 at 7:58pm	Print Post
	Sitting at my bench loading 44-90's and checked my federal primers, exactly .010 difference. I have pics of two breech blocks from 2 Sharps that were damaged, but cant find them on this phone. But each to his own and I'll err to caution.


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JLouis Frequent Elocutionist Offline Posts: 10625 Joined: Apr 8^th, 2009	Re: Primer pocket swaging Reply #28 - Oct 15^th, 2019 at 8:28pm	Print Post
	Hiwall55 one cannot convince the none believers until they destroy something of their own unfortunately. What's very informative about this site is no one has to make up an un-true experience but are freely willing to share to keep others from having to experience the same.

	" It Is Better To Now Have Been A Has Been Than A Never Was Or A Wanna Be "
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KFW Oldtimer Offline Posts: 634 Location: Wyoming Joined: Dec 18^th, 2016	Re: Primer pocket swaging Reply #29 - Oct 15^th, 2019 at 8:48pm	Print Post
	My worry for all this in particular, is the 2 piece breech block design in my Ballard(s). Any breech deformation that may occur would be centered around the firing pin on the breech joint line, probably the weakest area to be hammered by primer blow back. kw


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