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#6246684 - 03/02/12 11:01 PM Cast bullets in micro groove barrels
minnmarcus Offline
Campfire Regular

Registered: 07/12/10
Posts: 725
Loc: some where in Minn.
Have any luck with these? 45-70 in particular.

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#6262336 - 03/07/12 06:05 AM Re: Cast bullets in micro groove barrels [Re: minnmarcus]
Lunarphase Offline
Campfire Regular

Registered: 12/09/08
Posts: 252
Loc: Florida
No problem at all, they will shoot great.
The Ranchdogs shoot well and if you want something with more stopping power check out Beartooth.

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#6262872 - 03/07/12 08:43 AM Re: Cast bullets in micro groove barrels [Re: minnmarcus]
Roundup Offline
Campfire Ranger

Registered: 09/02/02
Posts: 1919
Loc: Eastern Oregon
I have a Marlin 45/70 in Microgroove. I have had very good result both in velocity (no or negligible leading) and accuracy. I have used several commercial offerings and have settled on, for elk hunting, the Beartooth 425 gr gascheck sized .460.
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#6289150 - 03/13/12 10:09 PM Re: Cast bullets in micro groove barrels [Re: Roundup]
minnmarcus Offline
Campfire Regular

Registered: 07/12/10
Posts: 725
Loc: some where in Minn.
Reason I ask is I bought some 405 gr casts and my groups have been terrible, some going through side ways at 100 yds. This gun shoots 1 1/2 " groups at 100yds with jacketed bullets and 6-8" groups with casts. Need gas checks?

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#6291977 - 03/14/12 04:33 PM Re: Cast bullets in micro groove barrels [Re: minnmarcus]
NWPA Offline
Member

Registered: 02/13/10
Posts: 98
I found out early that my 45/70 with microgroove bbl. didn't like cast at .458. But when used as cast at .460 things took a turn for the better.And with out gaschecks too.

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#7290544 - 01/09/13 02:11 PM Re: Cast bullets in micro groove barrels [Re: NWPA]
blammer Offline
Campfire Outfitter

Registered: 12/16/00
Posts: 9420
Loc: Asheville, NC
the cast bullets, do your bullets have a flat base or are they "boat tailed"?


Edited by blammer (01/09/13 02:12 PM)
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#7291003 - 01/09/13 03:57 PM Re: Cast bullets in micro groove barrels [Re: minnmarcus]
1minute Offline
Campfire Kahuna

Registered: 01/28/01
Posts: 15448
Loc: Burns/Hines, Oregon, USA
A buddy's unit does very will with cast/gas checked slugs. Like near 1 moa. If one is running smokeless, he should be using checked slugs.
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#7292105 - 01/09/13 07:38 PM Re: Cast bullets in micro groove barrels [Re: 1minute]
doubletap Offline
Campfire Tracker

Registered: 12/05/07
Posts: 5018
Loc: Atlanta
I've had good luck with cast bullets in the micro groove barrel, provided the bullet is slightly oversize. With groove diameter cast bullets they shoot well with low velocity plinkers. For full power loads, they work best when a couple of thousandths over groove diameter.
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#7296791 - 01/10/13 08:33 PM Re: Cast bullets in micro groove barrels [Re: blammer]
NWPA Offline
Member

Registered: 02/13/10
Posts: 98
My Lyman and RCBS molds cast a flat base, but I also shoot a local commercial cast beveled base 350 gr. as cast at .460 (unsized) which does well out of the micro-groove bbl.

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#7505669 - 03/02/13 08:33 PM Re: Cast bullets in micro groove barrels [Re: NWPA]
minnmarcus Offline
Campfire Regular

Registered: 07/12/10
Posts: 725
Loc: some where in Minn.
With out gas checks?

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