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Load data for .300 Weath. Mag. + .308 | 186gr | Peregrine Glider GRM

Recommended Powder(s):

.300 Weath. Mag. + .308 | 186gr | Peregrine Glider GRM

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 186gr | Peregrine Glider GRM
Bullet Weight:
186gr | 12.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.591" | 40.4mm
Caliber:
.300 Weath. Mag. load data
Case Length (l3):
2.824" | 71.7mm
Cartridge Length (C.O.L.):
3.507" | 89.1mm
Seated Depth:
0.908" | 23.1mm
Shank Seated Depth:
0.672" | 17.1mm
Case Capacity:
98.9 Grains of Water | 6.42 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B8112_C379
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 148 loads in caliber .300 Weath. Mag. with .308 | 186gr | Peregrine Glider GRM bullet and 74 powder(s). The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

    .

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Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
84%
56739
89%
**05
100%
ADI AR 2209
<<locked>>
95%
56579
89%
**04
99%
ADI AR 2213
<<locked>>
97%
53737
84%
**90
98%
[ADI AR 2217]*
<<locked>>
97%
39581
62%
**05
93%
ADI AR 2225
<<locked>>
97%
34882
55%
**52
95%
Accurate 2700
<<locked>>
85%
56840
89%
**79
99%
Accurate 3100
<<locked>>
97%
53795
84%
**12
100%
Accurate 4350
<<locked>>
90%
57072
89%
**77
100%
Accurate MAGPRO
<<locked>>
97%
52547
82%
**84
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
57043
89%
**18
100%
Alliant Reloder-16
<<locked>>
91%
57188
90%
**17
100%
Alliant Reloder-17
<<locked>>
86%
56652
89%
**13
100%
Alliant Reloder-19
<<locked>>
96%
57334
90%
**17
99%
Alliant Reloder-22
<<locked>>
97%
53026
83%
**90
99%
Alliant Reloder-23
<<locked>>
97%
50531
79%
**22
100%
Alliant Reloder-25
<<locked>>
97%
44193
69%
**62
100%
Alliant Reloder-26 👍
<<locked>>
96%
57043
89%
**02
100%
[Hodgdon H1000]*
<<locked>>
97%
39581
62%
**05
93%
Hodgdon H380
<<locked>>
83%
57203
90%
**41
100%
Hodgdon H414
<<locked>>
86%
57305
90%
**97
100%
Hodgdon H4350
<<locked>>
93%
57363
90%
**44
99%
Hodgdon H4831
<<locked>>
97%
49922
78%
**69
96%
Hodgdon H4831 SC
<<locked>>
97%
56434
88%
**71
97%
Hodgdon Hybrid 100V
<<locked>>
93%
56681
89%
**28
100%
Hodgdon LVR
<<locked>>
88%
57421
90%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
34882
55%
**52
95%
Hodgdon Superperformance
<<locked>>
88%
56797
89%
**27
100%
Hodgdon VARGET
<<locked>>
85%
57116
89%
**05
100%
Hodgdon TrailBoss
<<locked>>
97%
35288
55%
**32
100%
IMR 4064
<<locked>>
85%
56710
89%
**95
100%
IMR 4166 Enduron
<<locked>>
86%
56768
89%
**99
100%
IMR 4350
<<locked>>
91%
57363
90%
**44
100%
IMR 4451 Enduron
<<locked>>
87%
56695
89%
**28
100%
IMR 4831
<<locked>>
95%
57305
90%
**61
100%
IMR 4955 Enduron
<<locked>>
97%
55492
87%
**28
97%
IMR 7828 SSC
<<locked>>
97%
55724
87%
**36
98%
Lovex S065
<<locked>>
89%
57116
89%
**22
100%
Lovex S070
<<locked>>
90%
57087
89%
**41
100%
Lovex S071
<<locked>>
97%
44991
71%
**61
99%
Norma 204 👍
<<locked>>
90%
56753
89%
**84
99%
[Norma 217]*
<<locked>>
97%
30719
48%
**67
92%
Norma MRP
<<locked>>
97%
57058
89%
**79
100%
Norma URP
<<locked>>
90%
56942
89%
**74
100%
Ramshot Hunter 👍
<<locked>>
91%
57377
90%
**04
100%
Ramshot Magnum
<<locked>>
97%
52170
82%
**54
99%
ReloadSwiss RS 14
<<locked>>
96%
35694
56%
**65
100%
ReloadSwiss RS 50
<<locked>>
83%
57101
89%
**31
100%
ReloadSwiss RS 60
<<locked>>
88%
57014
89%
**36
100%
ReloadSwiss RS 62
<<locked>>
90%
56840
89%
**97
100%
ReloadSwiss RS 70
<<locked>>
91%
57072
89%
**49
100%
ReloadSwiss RS 76
<<locked>>
97%
42670
67%
**76
98%
Rottweil R 903
<<locked>>
85%
57348
90%
**18
100%
Rottweil R 904
<<locked>>
94%
56739
89%
**54
98%
Rottweil R 905
<<locked>>
96%
56840
89%
**97
99%
Rottweil R 907
<<locked>>
88%
57217
90%
**31
100%
SNPE Vectan SP 11
<<locked>>
84%
56623
89%
**41
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56753
89%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57246
90%
**85
100%
Shooters World Long Rifle
<<locked>>
89%
57116
89%
**22
100%
Somchem S355
<<locked>>
86%
57377
90%
**15
100%
Somchem S361
<<locked>>
94%
57392
90%
**35
98%
Somchem S365
<<locked>>
93%
57014
89%
**77
100%
Somchem S385
<<locked>>
95%
56913
89%
**67
100%
Vihtavuori N135
<<locked>>
86%
56811
89%
**20
100%
Vihtavuori N150
<<locked>>
90%
57145
90%
**72
100%
Vihtavuori N160
<<locked>>
88%
57363
90%
**44
100%
Vihtavuori N165
<<locked>>
97%
49850
78%
**43
98%
Vihtavuori N550
<<locked>>
88%
56956
89%
**81
100%
Vihtavuori N555 👍
<<locked>>
97%
56608
89%
**00
100%
Vihtavuori N560
<<locked>>
97%
53650
84%
**13
97%
Vihtavuori N565
<<locked>>
97%
45745
72%
**56
96%
Winchester 6.5 StaBALL
<<locked>>
90%
57392
90%
**12
100%
Winchester 760
<<locked>>
86%
57305
90%
**97
100%
Winchester StaBALL HD 👍
<<locked>>
97%
46224
72%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51300
80%
**20
100%
[ADI AR 2209]*
<<locked>>
81%
35926
56%
**00
94%
[ADI AR 2213]*
<<locked>>
83%
33605
53%
**61
90%
[ADI AR 2217]*
<<locked>>
92%
33663
53%
**51
90%
[ADI AR 2225]*
<<locked>>
90%
28065
44%
**43
90%
Accurate 2700
<<locked>>
81%
49458
77%
**64
98%
Accurate 3100
<<locked>>
81%
31299
49%
**69
95%
Accurate 4350
<<locked>>
81%
42554
67%
**31
100%
[Accurate MAGPRO]*
<<locked>>
87%
37420
59%
**82
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52069
82%
**43
100%
Alliant Reloder-16
<<locked>>
81%
40770
64%
**35
100%
Alliant Reloder-17
<<locked>>
81%
46847
73%
**66
100%
[Alliant Reloder-19]*
<<locked>>
81%
35679
56%
**97
94%
[Alliant Reloder-22]*
<<locked>>
81%
31386
49%
**21
91%
Alliant Reloder-23
<<locked>>
81%
30168
47%
**05
98%
[Alliant Reloder-25]*
<<locked>>
81%
26513
42%
**93
92%
Alliant Reloder-26
<<locked>>
81%
32503
51%
**20
97%
[Hodgdon H1000]*
<<locked>>
92%
33663
53%
**51
90%
Hodgdon H380
<<locked>>
81%
52765
83%
**72
100%
Hodgdon H414
<<locked>>
81%
48240
76%
**56
99%
Hodgdon H4350
<<locked>>
81%
39479
62%
**33
96%
[Hodgdon H4831]*
<<locked>>
85%
33794
53%
**31
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33794
53%
**31
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38508
60%
**30
100%
Hodgdon LVR
<<locked>>
81%
45150
71%
**84
100%
[Hodgdon Retumbo]*
<<locked>>
90%
28065
44%
**43
90%
Hodgdon Superperformance
<<locked>>
81%
43468
68%
**00
98%
Hodgdon VARGET
<<locked>>
81%
50850
80%
**17
100%
Hodgdon TrailBoss
<<locked>>
87%
30705
48%
**40
100%
IMR 4064
<<locked>>
81%
50517
79%
**03
100%
IMR 4166 Enduron
<<locked>>
81%
49269
77%
**74
99%
IMR 4350
<<locked>>
81%
41553
65%
**75
97%
IMR 4451 Enduron
<<locked>>
81%
47485
74%
**67
99%
IMR 4831
<<locked>>
81%
36825
58%
**00
99%
[IMR 4955 Enduron]*
<<locked>>
81%
33982
53%
**98
90%
[IMR 7828 SSC]*
<<locked>>
82%
33446
52%
**67
90%
Lovex S065
<<locked>>
81%
44773
70%
**18
99%
Lovex S070
<<locked>>
81%
42946
67%
**02
98%
[Lovex S071]*
<<locked>>
81%
26847
42%
**51
93%
Norma 204
<<locked>>
81%
41176
65%
**05
96%
[Norma 217]*
<<locked>>
94%
28326
44%
**88
90%
[Norma MRP]*
<<locked>>
81%
32532
51%
**87
94%
Norma URP
<<locked>>
81%
41901
66%
**25
99%
Ramshot Hunter
<<locked>>
81%
40814
64%
**12
98%
[Ramshot Magnum]*
<<locked>>
81%
28674
45%
**39
90%
ReloadSwiss RS 14
<<locked>>
84%
30081
47%
**54
100%
ReloadSwiss RS 50
<<locked>>
81%
52852
83%
**59
100%
ReloadSwiss RS 60
<<locked>>
81%
45165
71%
**56
100%
ReloadSwiss RS 62
<<locked>>
81%
42380
66%
**51
99%
ReloadSwiss RS 70
<<locked>>
81%
40741
64%
**61
99%
[ReloadSwiss RS 76]*
<<locked>>
85%
28442
45%
**82
90%
Rottweil R 903
<<locked>>
81%
49487
78%
**07
100%
[Rottweil R 904]*
<<locked>>
81%
37173
58%
**87
93%
[Rottweil R 905]*
<<locked>>
81%
34809
55%
**77
94%
Rottweil R 907
<<locked>>
81%
45861
72%
**44
98%
SNPE Vectan SP 11
<<locked>>
81%
51082
80%
**66
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50502
79%
**02
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44193
69%
**72
98%
Shooters World Long Rifle
<<locked>>
81%
44773
70%
**18
99%
Somchem S355
<<locked>>
81%
49603
78%
**03
100%
[Somchem S361]*
<<locked>>
81%
37724
59%
**74
92%
Somchem S365
<<locked>>
81%
38580
60%
**85
100%
Somchem S385
<<locked>>
81%
35302
55%
**61
95%
Vihtavuori N135
<<locked>>
81%
48283
76%
**98
100%
Vihtavuori N150
<<locked>>
81%
42656
67%
**49
100%
Vihtavuori N160
<<locked>>
81%
45208
71%
**48
100%
[Vihtavuori N165]*
<<locked>>
81%
29544
46%
**13
91%
Vihtavuori N550
<<locked>>
81%
45701
72%
**90
100%
Vihtavuori N555
<<locked>>
81%
33692
53%
**80
98%
[Vihtavuori N560]*
<<locked>>
83%
33678
53%
**97
90%
[Vihtavuori N565]*
<<locked>>
87%
32619
51%
**67
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42351
66%
**82
100%
Winchester 760
<<locked>>
81%
48240
76%
**56
99%
Winchester StaBALL HD
<<locked>>
81%
24468
38%
**88
98%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

<<locked>>... you need to buy an access license to unlock the data

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