300 Norma Mag Load Data

[jonthomps]

There is lots of scattered handloading info for the 300NM but I haven't found a dedicated thread so I started one. Loads are organized by bullet weight. Anyone have a different load they really like? Here's what I've found so far:

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 ???

 

[jonthomps]

230gr Berger
H1000 82gr (*max load*)
28" 1-10 barrel
Fed 215M
COAL 3.500"
3012fps