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Hi all , I have just been given a rifle in .256 Newton calbreand need help with loading /cartrige info to get me started ..The rifle is 50 years old but in new in box condition , just begging to be used ..Rob
 

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Kiwi Bob, Check out Wolfe publishing, Rifle and Handloader. I cant pinpoint the exact issue#, but there were back issues, say within the last 5 years with both rifle and cartridge articles. Also, Ken Waters did a write up in his "Pet Loads" articles. One other thing, I know these rifles were meant to be shot, and some features were way ahead of there time, I'd check on the value( assuming its a Newtom Rifle). You might, or already do, have something special here. Good Shootin'
CRASH
 

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256 Newton

Hi ,Thanks for the tips However I live in New Zealand and Wolf publications have never appeared here ..I agree the rifle was made to be shot , but it probably only has the action value , the action is a B.S.A Monarch made late 40's early 50's . I have nade 20 cases yet to be fireformed I intend to use 53 grs of imr 4350 behind 120 gr projectiles for this... Thaks anyway ..Rob
 

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Cartridges of the world, 9th edition, page 103 has some load info and a little history on the cartridge, good luck with your new rifle and have fun :D JIM
 

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Discussion Starter #7
256 Newton info

Hi all , thank you for your input I think I have enough info to get started maybe keep you posted when I get it all together thanks again.. Rob
 

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Kiwi Rob, Ken Waters, Pet Loads, May 1987:
Rfle: Origanal Newton, 24" bbl.
Cases: W-W Formed from .270 Primer: Win WLR
120gr Sierra Spitzer: 50.0 gr IMR4350 MAX 2912fps
42.0gr IMR3031 MAX 2799fps
125gr Nosler Partition: 50gr IMR 4831 MAX 2821fps
47gr W-760 Max 2833fps (1 of his 2 best loads)
129gr Hornady: 52gr H4831 2877fps Max (do not exceed)
49gr IMR-4350 2812fps MAX (other of 2 best loads)
140gr Hornady Spire Pt.: 42.5 IMR4064 MAX. 2644fps
51gr. W-785 MAX 2728fps
140gr Nosler: IMR4350 48gr MAX 2750fps MAX

Hope this helps you out some. Looking to take a trip to NZ in the future. Interested in those lovely little Chamois and while I'm there I thought I'd add a Tahr to the list right away. Good Shootin'
CRASH
 

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I loaded and shot a 256 Newton for 20 years but finally decided to retire it and replace it with a 6.5-06.

Below are some loads you can use.

256 Newton, 6.5mm .264 87 grain spitzer bullet

Power /gr / Muz Vel

H4831
63 3340
61 3201
59 3036

IMR 4350
59 3339
57 3179
55 3026

IMR 4320
52 3284
50 3165
48 3053

IMR 4895
52 3345
50 3231
48 3165

IMR 4064
52 3322
50 3233
48 3115

256 Newton 6.5mm .264 100 gr spitzer bullet

H4831
56.6 3200
55 3100
53.3 3000
51.6 2900

IMR 4350
52.2 3200
50.5 3100
48.7 3000
47 2900

IMR 4320
47.6 3200
45.7 3100
43.8 3000
41.9 2900

IMR 4895
44.7 3100
42.9 3000
41 2900

IMR 4064
44.3 3100
42.4 3000
40.5 2900

256 Newton 6.5mm .264 120 gr Spitzer bullet

H4831
59 3000
57.8 2900
56.2 2800
53.8 2700

IMR 4350
55.1 3000
54 2900
52 2800
50 2700

IMR 4320
47.2 2900
45.8 2800
44.6 2700

IMR 4895
47.1 2900
45.6 2800
43.8 2700

IMR 4064
47.4 2900
46.1 2800
44 2700


256 Newton 6.5mm .264 129 gr Spitzer Bullet

H4831
54.2 3000
52.3 2900
50.3 2800
48.3 2700

IMR 4350
49.8 3000
47.7 2900

45.7 2800
43,6 2700

IMR 4320
47.1 3000
45.2 2900
43.3 2800
41.4 2700

IMR 4895
44.4 2900
42.4 2800
40.4 2700

IMR 4064
44.1 2900
42.1 2800
40.2 2700

256 Newton 6.5mm .264 140 gr Spitzer bullet

H4831
58 2900
54 2800
52 2700
50 2600

IMR 4350
53 2900
51 2800
50 2700

IMR 4320
47.4 2800
46.3 2700
44.1 2600

IMR 4895
47.7 2700
45.5 2600
43.4 2500

IMR 4064
48 2800
45.7 2700
43.4 2600

256 Newton 6.5mm .264 160 gr Round Nose bullet

H4831
54.5 2800
52.4 2700
50.2 2600
48.1 2500
45.9 2400

IMR 4350
51.4 2800
49.1 2700
46.9 2600
44.7 2500

IMR 4320
46.7 2700
44.5 2600
42.3 2500

IMR 4895
46 2700
43.9 2600
41.8 2500

IMR 4064
43.9 2600
41.6 2500
39.2 2400
 
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