hand-loading 284 win challenge

stagpanther, When I got out of the service I purchased a Browning Safari 243 and gun store that had it also had 284 which I knew nothing about. Later I purchased Win auto 284 then I rebarreled #1 then I did one short action. Later I had 6x284 build then I had another on build for the VLD bullets, then the 6.5x284 which had tight neck. On the short action I didn't trim any of the brass.

I could see doing it but I more than like have reamer made. That way it's done right and that just me.

I know nothing on any of the AR.

There was one on accurate site he did bolt but used H&S magazine and he did something with the lips.

Well good luck
 
Well--of all places I think I may have found my answer--the Barnes reload manual says "lightly crimp case mouth so it contacts the ogive."

Sorry I didn't see it before--as Rosanna Rosannadana would say "never mind..."
 
I don't know if this will help but back in the late 1960's 7.5 Swiss K11 rifles were flooding the market, all the 7.5 Swiss ammo was Berdan primed and we couldn't reload it but 284 Winchester cases could be resized in 7.5 Swiss dies and made perfectly good reloads.
Now that 284 Winchester are the hen's teeth.....possibly 7.5 Swiss could be used to form 284 Winchester.
I purchased 7.5 Swiss new brass from Midway for $29.95 / 50 and found some once fired mixed head stamp cases on line but can't locate that vendor any longer.
Gary
 
Case supply isn't a problem--I have over a thousand 6.5 x 284 and 284 win cases--the real challenge is going to get this to all live well in an AR. I just started testing the 308 mags--and as I suspected they start bulging once you get past 5 cartridges--much like trying to stuff 6.8 or grendel cartridges into a 5.56 magazine. No biggie--I never load more than that at one time anyway.
 
I setup my 7.5 Swiss as a single loader, purely target so vastly easier.

I know some of the AR shooting disciplines also single load, Sierra mentions it in their manual.
 
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