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Load data for .300 RCM + .308 | 154gr | Hammer HHT

Recommended Powder(s): Alliant Power Pro 2000-MR, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60, SNPE Vectan SP 11

.300 RCM + .308 | 154gr | Hammer HHT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 154gr | Hammer HHT
Bullet Weight:
154gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 RCM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
75.0 Grains of Water | 4.87 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B12181_C371
Last updated:
2026-02-12
Recommended Twist Rate:
1:11 - 1:9

Load data for 200 loads in caliber .300 RCM with .308 | 154gr | Hammer HHT bullet and 100 powders such as Alliant Power Pro 2000-MR, Ramshot Big Game, ReloadSwiss RS 52, ReloadSwiss RS 60, SNPE Vectan SP 11. 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".

  • No data yet

  • 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 2206H
<<locked>>
90%
56811
89%
**66
100%
ADI AR 2208
<<locked>>
96%
57188
90%
**53
99%
Accurate 2015
<<locked>>
86%
57029
89%
**64
100%
Accurate 2200
<<locked>>
89%
57174
90%
**36
99%
Accurate 2230
<<locked>>
84%
56985
89%
**13
100%
Accurate 2460
<<locked>>
84%
56884
89%
**17
100%
Accurate 2495
<<locked>>
90%
57261
90%
**36
100%
Accurate 2520
<<locked>>
88%
56347
88%
**46
100%
Accurate 2700
<<locked>>
96%
56434
88%
**64
96%
Accurate 4064
<<locked>>
95%
56724
89%
**46
100%
Accurate 4350
<<locked>>
97%
44976
70%
**35
97%
Alliant AR-Comp
<<locked>>
88%
56666
89%
**04
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
92%
56420
88%
**77
99%
Alliant Reloder- TS 15.5
<<locked>>
96%
57363
90%
**82
100%
Alliant Reloder-10x
<<locked>>
84%
57421
90%
**74
100%
Alliant Reloder-15
<<locked>>
93%
56623
89%
**79
99%
Alliant Reloder-16
<<locked>>
97%
45223
71%
**51
97%
Alliant Reloder-17
<<locked>>
97%
51372
81%
**99
100%
[Alliant Reloder-23]*
<<locked>>
97%
31589
50%
**49
94%
Baschieri & Pellagri 107
<<locked>>
90%
56637
89%
**79
99%
Bofors RP3
<<locked>>
96%
56594
89%
**79
100%
Bofors RP7
<<locked>>
97%
52054
82%
**54
95%
Hodgdon BL-C2
<<locked>>
89%
57014
89%
**82
100%
Hodgdon Benchmark
<<locked>>
87%
56608
89%
**84
100%
Hodgdon CFE223
<<locked>>
94%
56739
89%
**22
99%
Hodgdon H322
<<locked>>
87%
56913
89%
**23
100%
Hodgdon H380
<<locked>>
95%
57363
90%
**86
99%
Hodgdon H414
<<locked>>
97%
53621
84%
**76
96%
[Hodgdon H4350]*
<<locked>>
97%
43178
68%
**13
92%
Hodgdon H4895
<<locked>>
90%
57305
90%
**79
100%
Hodgdon Hybrid 100V
<<locked>>
97%
40886
64%
**20
98%
Hodgdon LVR
<<locked>>
97%
49153
77%
**87
97%
Hodgdon Superperformance
<<locked>>
97%
49850
78%
**23
95%
Hodgdon VARGET
<<locked>>
96%
56710
89%
**40
99%
Hodgdon TrailBoss
<<locked>>
97%
33591
53%
**52
100%
IMR 3031
<<locked>>
93%
56753
89%
**66
100%
IMR 4064
<<locked>>
96%
56492
89%
**36
99%
IMR 4166 Enduron
<<locked>>
97%
56826
89%
**10
97%
IMR 4198
<<locked>>
84%
56782
89%
**22
100%
[IMR 4350]*
<<locked>>
97%
46296
73%
**72
94%
IMR 4451 Enduron
<<locked>>
97%
54621
86%
**07
96%
IMR 4831
<<locked>>
97%
38522
60%
**87
96%
IMR 4895
<<locked>>
93%
57087
89%
**99
100%
IMR 8208 XBR
<<locked>>
89%
56826
89%
**33
100%
Lovex D073.4
<<locked>>
84%
57319
90%
**10
100%
Lovex D073.5
<<locked>>
85%
57435
90%
**20
100%
Lovex D073.6
<<locked>>
91%
56884
89%
**49
100%
Lovex S060
<<locked>>
91%
57377
90%
**00
100%
Lovex S062
<<locked>>
94%
57043
89%
**40
100%
Lovex S065
<<locked>>
97%
50009
78%
**31
97%
Lovex S070
<<locked>>
97%
47659
75%
**12
95%
Norma 201
<<locked>>
91%
57087
89%
**33
100%
Norma 202
<<locked>>
91%
57145
90%
**36
100%
Norma 203B
<<locked>>
94%
56695
89%
**89
100%
[Norma 204]*
<<locked>>
97%
46238
72%
**05
92%
Norma URP
<<locked>>
97%
45208
71%
**38
97%
Ramshot Big Game 👍
<<locked>>
94%
57203
90%
**05
100%
Ramshot Hunter
<<locked>>
97%
44527
70%
**22
95%
Ramshot TAC
<<locked>>
88%
56797
89%
**33
98%
Ramshot Wild Boar
<<locked>>
89%
56884
89%
**72
100%
Ramshot X-Terminator
<<locked>>
86%
57377
90%
**27
100%
ReloadSwiss RS 14
<<locked>>
96%
33794
53%
**91
100%
ReloadSwiss RS 40
<<locked>>
85%
56768
89%
**20
100%
ReloadSwiss RS 50
<<locked>>
95%
56826
89%
**43
97%
ReloadSwiss RS 52 👍
<<locked>>
91%
56434
88%
**41
99%
ReloadSwiss RS 60 👍
<<locked>>
97%
54955
86%
**61
100%
ReloadSwiss RS 62
<<locked>>
97%
45049
71%
**58
97%
ReloadSwiss RS 70
<<locked>>
97%
45672
72%
**74
96%
Rottweil R 901
<<locked>>
89%
57276
90%
**10
100%
Rottweil R 902
<<locked>>
93%
56782
89%
**17
100%
Rottweil R 903
<<locked>>
97%
54897
86%
**46
100%
Rottweil R 907
<<locked>>
97%
52054
82%
**54
95%
SNPE Vectan SP 11 👍
<<locked>>
97%
56826
89%
**12
100%
SNPE Vectan SP 7
<<locked>>
89%
56739
89%
**40
99%
SNPE Vectan SP 9
<<locked>>
91%
56884
89%
**63
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
56927
89%
**48
100%
SNPE Vectan Tubal 5000
<<locked>>
96%
56956
89%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
49908
78%
**79
95%
Shooters World Long Rifle
<<locked>>
97%
50009
78%
**31
97%
Shooters World Match Rifle
<<locked>>
91%
56884
89%
**49
100%
Shooters World Precision
<<locked>>
94%
57043
89%
**40
100%
Somchem S321
<<locked>>
86%
56507
89%
**43
100%
Somchem S335
<<locked>>
91%
57203
90%
**61
100%
Somchem S341
<<locked>>
90%
57087
89%
**43
100%
Somchem S355
<<locked>>
97%
55085
86%
**40
100%
Somchem S365
<<locked>>
97%
40219
63%
**82
99%
Vihtavuori N130
<<locked>>
87%
57421
90%
**25
100%
Vihtavuori N133
<<locked>>
92%
56913
89%
**41
100%
Vihtavuori N135
<<locked>>
96%
52402
82%
**35
100%
Vihtavuori N140
<<locked>>
93%
57116
89%
**00
100%
Vihtavuori N150
<<locked>>
97%
46746
73%
**76
100%
Vihtavuori N160
<<locked>>
97%
50183
79%
**74
98%
Vihtavuori N530
<<locked>>
87%
56434
88%
**43
100%
Vihtavuori N540
<<locked>>
93%
56449
88%
**23
100%
Vihtavuori N550
<<locked>>
97%
50357
79%
**17
98%
[Vihtavuori N555]*
<<locked>>
97%
33953
53%
**41
94%
Winchester 6.5 StaBALL
<<locked>>
97%
48718
76%
**28
99%
Winchester 748
<<locked>>
86%
56884
89%
**79
100%
Winchester 760
<<locked>>
97%
53621
84%
**76
96%
Winchester StaBALL Match
<<locked>>
85%
57334
90%
**82
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
42250
66%
**13
98%
ADI AR 2208
<<locked>>
81%
35926
56%
**49
95%
Accurate 2015
<<locked>>
81%
48153
75%
**33
100%
Accurate 2200
<<locked>>
81%
44672
70%
**20
97%
Accurate 2230
<<locked>>
81%
50560
79%
**18
100%
Accurate 2460
<<locked>>
81%
50502
79%
**18
100%
Accurate 2495
<<locked>>
81%
43192
68%
**20
100%
Accurate 2520
<<locked>>
81%
43758
69%
**40
100%
[Accurate 2700]*
<<locked>>
84%
38261
60%
**39
90%
Accurate 4064
<<locked>>
81%
36506
57%
**05
100%
[Accurate 4350]*
<<locked>>
83%
27905
44%
**28
90%
Alliant AR-Comp
<<locked>>
81%
43932
69%
**23
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
38421
60%
**23
95%
Alliant Reloder- TS 15.5
<<locked>>
81%
35099
55%
**72
97%
Alliant Reloder-10x
<<locked>>
81%
51880
81%
**95
100%
Alliant Reloder-15
<<locked>>
81%
38014
60%
**38
96%
[Alliant Reloder-16]*
<<locked>>
83%
29428
46%
**48
90%
[Alliant Reloder-17]*
<<locked>>
81%
30647
48%
**23
94%
[Alliant Reloder-23]*
<<locked>>
91%
26542
42%
**85
90%
Baschieri & Pellagri 107
<<locked>>
81%
41350
65%
**03
96%
Bofors RP3
<<locked>>
81%
34853
55%
**75
97%
[Bofors RP7]*
<<locked>>
86%
37260
58%
**62
90%
Hodgdon BL-C2
<<locked>>
81%
43816
69%
**72
99%
Hodgdon Benchmark
<<locked>>
81%
46615
73%
**23
100%
[Hodgdon CFE223]*
<<locked>>
81%
36376
57%
**28
94%
Hodgdon H322
<<locked>>
81%
46949
74%
**69
100%
[Hodgdon H380]*
<<locked>>
81%
35752
56%
**75
94%
[Hodgdon H414]*
<<locked>>
84%
35317
55%
**02
90%
[Hodgdon H4350]*
<<locked>>
92%
38087
60%
**08
90%
Hodgdon H4895
<<locked>>
81%
42554
67%
**20
98%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
25048
39%
**97
90%
[Hodgdon LVR]*
<<locked>>
81%
30139
47%
**57
90%
[Hodgdon Superperformance]*
<<locked>>
90%
38841
61%
**87
90%
Hodgdon VARGET
<<locked>>
81%
35694
56%
**46
95%
Hodgdon TrailBoss
<<locked>>
86%
28616
45%
**50
100%
IMR 3031
<<locked>>
81%
38276
60%
**61
100%
IMR 4064
<<locked>>
81%
35317
55%
**30
95%
[IMR 4166 Enduron]*
<<locked>>
81%
35389
55%
**93
90%
IMR 4198
<<locked>>
81%
52098
82%
**59
100%
[IMR 4350]*
<<locked>>
90%
37434
59%
**85
90%
[IMR 4451 Enduron]*
<<locked>>
83%
35752
56%
**30
90%
[IMR 4831]*
<<locked>>
86%
27833
44%
**08
90%
IMR 4895
<<locked>>
81%
38841
61%
**74
97%
IMR 8208 XBR
<<locked>>
81%
44324
69%
**23
99%
Lovex D073.4
<<locked>>
81%
52547
82%
**44
100%
Lovex D073.5
<<locked>>
81%
50212
79%
**15
100%
Lovex D073.6
<<locked>>
81%
41133
64%
**97
100%
Lovex S060
<<locked>>
81%
42757
67%
**57
98%
Lovex S062
<<locked>>
81%
37550
59%
**98
98%
[Lovex S065]*
<<locked>>
82%
31444
49%
**34
90%
[Lovex S070]*
<<locked>>
86%
34360
54%
**26
90%
Norma 201
<<locked>>
81%
41655
65%
**71
99%
Norma 202
<<locked>>
81%
41669
65%
**77
100%
Norma 203B
<<locked>>
81%
37275
58%
**21
96%
[Norma 204]*
<<locked>>
94%
42627
67%
**33
90%
[Norma URP]*
<<locked>>
83%
28631
45%
**28
90%
Ramshot Big Game
<<locked>>
81%
36927
58%
**41
96%
[Ramshot Hunter]*
<<locked>>
88%
33315
52%
**56
90%
Ramshot TAC
<<locked>>
81%
44541
70%
**26
96%
Ramshot Wild Boar
<<locked>>
81%
43772
69%
**46
98%
Ramshot X-Terminator
<<locked>>
81%
48095
75%
**72
99%
ReloadSwiss RS 14
<<locked>>
81%
26919
42%
**40
100%
ReloadSwiss RS 40
<<locked>>
81%
49806
78%
**18
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
36579
57%
**59
92%
ReloadSwiss RS 52
<<locked>>
81%
39711
62%
**46
97%
ReloadSwiss RS 60
<<locked>>
81%
32605
51%
**92
97%
[ReloadSwiss RS 62]*
<<locked>>
84%
29066
46%
**70
90%
[ReloadSwiss RS 70]*
<<locked>>
87%
32909
52%
**62
90%
Rottweil R 901
<<locked>>
81%
45455
71%
**23
100%
Rottweil R 902
<<locked>>
81%
39465
62%
**18
98%
Rottweil R 903
<<locked>>
81%
32764
51%
**20
96%
[Rottweil R 907]*
<<locked>>
86%
37260
58%
**62
90%
SNPE Vectan SP 11
<<locked>>
81%
33881
53%
**69
95%
SNPE Vectan SP 7
<<locked>>
81%
42627
67%
**97
96%
SNPE Vectan SP 9
<<locked>>
81%
41060
64%
**80
97%
SNPE Vectan Tubal 3000
<<locked>>
81%
43250
68%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
35665
56%
**90
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
86%
34519
54%
**87
90%
[Shooters World Long Rifle]*
<<locked>>
82%
31444
49%
**34
90%
Shooters World Match Rifle
<<locked>>
81%
41133
64%
**97
100%
Shooters World Precision
<<locked>>
81%
37550
59%
**98
98%
Somchem S321
<<locked>>
81%
48109
75%
**12
100%
Somchem S335
<<locked>>
81%
42786
67%
**38
100%
Somchem S341
<<locked>>
81%
42235
66%
**97
98%
Somchem S355
<<locked>>
81%
33765
53%
**26
96%
[Somchem S365]*
<<locked>>
81%
24366
38%
**26
91%
Vihtavuori N130
<<locked>>
81%
47790
75%
**90
100%
Vihtavuori N133
<<locked>>
81%
40379
63%
**79
100%
Vihtavuori N135
<<locked>>
81%
32532
51%
**77
100%
Vihtavuori N140
<<locked>>
81%
38711
61%
**02
100%
Vihtavuori N150
<<locked>>
81%
28732
45%
**82
95%
[Vihtavuori N160]*
<<locked>>
81%
29675
47%
**31
91%
Vihtavuori N530
<<locked>>
81%
46833
73%
**79
99%
Vihtavuori N540
<<locked>>
81%
38595
60%
**25
100%
[Vihtavuori N550]*
<<locked>>
81%
29704
47%
**61
91%
[Vihtavuori N555]*
<<locked>>
89%
26774
42%
**31
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
28674
45%
**75
93%
Winchester 748
<<locked>>
81%
47210
74%
**31
100%
[Winchester 760]*
<<locked>>
84%
35317
55%
**02
90%
Winchester StaBALL Match
<<locked>>
81%
50198
79%
**67
99%

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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