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Old 11-19-2017, 01:51 PM
patz25 patz25 is offline
 
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Default sold please delete

I just got my hands on some 150 grain Hornady SST bullets in .312 diameter. Any one have any experience in reloading these for the 303 brit

Thanks in advance
Dave

Technical Information
•Caliber: 303
•Bullet Diameter: .312″
•Bullet Weight: 150 Grains
•Bullet Style: SST Boat Tail
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  #2  
Old 11-19-2017, 02:05 PM
smle303 smle303 is offline
 
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Default start slow

They are good bullets for paper, gophers, deer and moose..use the minimum recommended charges and slowly work up to maximum. I found I arrive at maximum before the reloading manual.
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Old 11-19-2017, 02:19 PM
patz25 patz25 is offline
 
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Did the COL change any. I'm currently shooting Sierra 150gr SP with a COL of 2.995". Since the polymer tip makes the bullet slightly longer should I adjust the COL to keep an identical seating depth.
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Old 11-19-2017, 03:45 PM
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catnthehat catnthehat is offline
 
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Quote:
Originally Posted by patz25 View Post
Did the COL change any. I'm currently shooting Sierra 150gr SP with a COL of 2.995". Since the polymer tip makes the bullet slightly longer should I adjust the COL to keep an identical seating depth.
Not in SSt's but the only difference I found no difference where i have to watch the OAL is when I load the Barnes 150 TSX .
All the others including the C.I.L. 150 Saber tips, 180 saber Tips, KKSP's, the Sierra Pro Hunters and Match Kings, and the Speers as well as the Hornadys and Winchesters all shot well with the same OAL. - measured off the ogive of course. The actual cartridge overall length may change a bit but is not a big deal if the accuracy is still there , which it is in any of my ..303's
Cat
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Old 11-19-2017, 06:37 PM
Pioneer2 Pioneer2 is offline
 
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Default Not an SST fan

Stick to deer with them JMO too explosive.Harold
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Old 11-19-2017, 06:45 PM
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mgvande mgvande is offline
 
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I like the hornady 303 offerings in .312 diameter. I've never bothered with the lighter bullets though. Some of these guns have allot of free bore now and the short bullets may not be long enough to make the jump to the rifling.
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Old 11-19-2017, 08:31 PM
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KegRiver KegRiver is offline
 
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I only load 150 sp for my .303. I have used Hornady and Speer with the same results. Both work well on the Bear, Deer and Moose I hunt.

I would not use SSTs on anything. In my opinion they are overkill on smaller game and too explosive on larger game.
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Old 11-20-2017, 11:02 PM
zippo zippo is offline
 
Join Date: Nov 2014
Posts: 22
Default 303 Load

I reload my Mk 3 with 150 grain Sierra Prohunter, 45 grains of H4350, Winchester standard large rifle primers, with an OAL of 2.97 inches. Nice middle of the road load that works well in an almost 100 year old rifle. Shot a good size spike mule deer on Sunday at about 25 meters went right through the chest cavity no problem and the deer ran maybe 20 meters before going down.
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Old 11-20-2017, 11:22 PM
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Dick284 Dick284 is offline
 
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Privi brass
Lee Collet die
IMR 4064
CCI 200's

Live happily ever after.

Shoots up deer real good.
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