300 Norma Mag Load Data

[jonthomps]

There are lots of scattered handloading info for the 300NM but I haven't found a dedicated thread. The loads are organized by bullet weight. Here's what I've found so far:

300 Norma Mag Load Data

Trim brass to: 2.4902 min 2.502 max

208 AMAX
87gr H1000
28” 1-9 Pac-Nor
3140fps

210gr Berger
89.5gr Ramshot magnum
27” 1-10 Rock Creek

210gr Berger
89 g. Retumbo
27" barrel
3130 fps

215gr Berger
92grs RL33
30” barrel
COAL 3.600”
3157 fps (90% case fill)

215gr Berger
89gr Retumbo
26” barrel
COAL 3.600”
3130fps

220gr SMK
92gr H-1000
26” Broughton 1-9
Fed 215GM
COAL 3.463
3003fps

220gr SMK
91gr N-570
30" Bartlein 1-10
Fed 215GM
3200fps

Berger 230gr
H1000 85.5 gr
27” 1-10 Krieger 5R
Velocity ???

Berger 230gr
Retumbo 87gr
27” 1-10 Krieger 5R
Velocity ???

Berger 230gr
H1000 80.7gr
30" 1-10" Lilja
Fed 215M
COAL 3.526"
Velocity ???

230gr Berger
89grs RL33
30” barrel
COAL 3.600”
3050 fps (90% case fill)

230gr Berger
86gr Retumbo
26” barrel
COAL 3.600”
3020fps

230gr Berger
88gr RL33
Barrel ???
COL 3.510
2907fps ES: 3.5

230gr Berger
86gr H50BMG
25.5” barrel
FED 215M
COAL 3.530”
2800fps ES: 3.6

230gr Berger
86gr N570
1-10 barrel
Fed 215M
3001fps

230 Berger
85.3gr Retumbo
26" barrel 1:9.5
WLRM primers
2940fps

240gr SMK
81.7gr H-1000
26” Broughton 1-9
Fed 215GM
COAL 3.436
2875fps

240gr SMK
H1000 81.7gr
Fed 215M
COAL 3.436”
Velocity ???

 

[300NORMA]

It's a good start wondering if ammo guide has any posted ?

Cheers L

 

[300NORMA]

Here is my two cents worth from todays range tests 300 Norma mag custom rifle , rifle spec barrel 26" twist 1:9


cheers

300NORMA

 

[bjay]

Tag..for later

 

[agbm]

Tag

 

[300NORMA]

my current 300NM load data

barrel 26' 1:9
powder H1000 @ 85.5 gn
Bullet berg 230 target .005" off lands
speed FPS AV 2959
100m target group .2 moa x 5 shotgroup
weather dry light winds temp 22c

 

[JB02]

Does anyone have any OCW results they care to share/post ... esp for something using a 230gr and Retumbo or H1000 combo?

 

[Rthur]

Looking for some Flatline loads...



R

 

[Simia Dei]

Looking for some Flatline loads...



R

 

[aauya]

my current 300NM load data

barrel 26' 1:9
powder H1000 @ 85.5 gn
Bullet berg 230 target .005" off lands
speed FPS AV 2959
100m target group .2 moa x 5 shotgroup
weather dry light winds temp 22c

what is your col, or your bto