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Load data for .255 GS + .257 | 80gr | Barnes TTSX BT

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Recommended Powder(s):

.255 GS + .257 | 80gr | Barnes TTSX BT

Load Specifications

Bullet:
.257 | 80gr | Barnes TTSX BT
Manufacturer SKU:
30218
Bullet Weight:
80gr | 5.2g
Bullet Diameter:
0.257" | 6.53mm
Bullet Length:
1.013" | 25.7mm
Caliber:
.255 GS
Case Length (l3):
2.165" | 55.0mm
Cartridge Length (C.O.L.):
2.811" | 71.4mm
Seated Depth:
0.367" | 9.3mm
Shank Seated Depth:
0.267" | 6.8mm
Case Capacity:
62.0 Grains of Water | 4.03 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B490_C229

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 184 loads in caliber .255 GS with .257 | 80gr | Barnes TTSX BT bullet and 92 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

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    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.

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>>
89%
56724
89%
**74
99%
ADI AR 2208
<<locked>>
95%
57217
90%
**51
99%
Accurate 2015
<<locked>>
86%
57377
90%
**86
100%
Accurate 2200
<<locked>>
87%
56884
89%
**32
98%
Accurate 2230
<<locked>>
83%
56565
89%
**09
99%
Accurate 2460
<<locked>>
83%
56869
89%
**22
100%
Accurate 2495
<<locked>>
88%
56739
89%
**35
100%
Accurate 2520
<<locked>>
88%
57232
90%
**65
100%
Accurate 2700
<<locked>>
95%
56608
89%
**53
95%
Accurate 4064
<<locked>>
94%
57435
90%
**71
100%
Accurate 4350
<<locked>>
97%
47369
74%
**37
96%
Alliant AR-Comp
<<locked>>
88%
56724
89%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
56739
89%
**78
100%
Alliant Reloder-15 👍
<<locked>>
93%
57377
90%
**97
99%
Alliant Reloder-16
<<locked>>
97%
46282
73%
**40
96%
Alliant Reloder-17
<<locked>>
97%
54056
85%
**30
99%
[Alliant Reloder-23]*
<<locked>>
96%
33011
52%
**86
92%
Baschieri & Pellagri 107
<<locked>>
89%
57072
89%
**81
98%
Hodgdon BL-C2
<<locked>>
87%
57188
90%
**97
100%
Hodgdon Benchmark
<<locked>>
87%
57174
90%
**09
100%
Hodgdon CFE223
<<locked>>
93%
57348
90%
**27
99%
Hodgdon H322
<<locked>>
86%
56724
89%
**38
100%
Hodgdon H380
<<locked>>
93%
56579
89%
**61
98%
Hodgdon H414
<<locked>>
97%
56826
89%
**14
96%
[Hodgdon H4350]*
<<locked>>
96%
44962
70%
**02
91%
Hodgdon Hybrid 100V
<<locked>>
97%
42757
67%
**05
97%
Hodgdon LVR
<<locked>>
97%
51735
81%
**12
97%
[Hodgdon Superperformance]*
<<locked>>
97%
52489
82%
**32
94%
Hodgdon VARGET
<<locked>>
95%
56666
89%
**48
99%
Hodgdon TrailBoss
<<locked>>
96%
33257
52%
**39
100%
IMR 3031
<<locked>>
92%
56985
89%
**88
100%
IMR 4064
<<locked>>
95%
56304
88%
**32
99%
IMR 4166 Enduron
<<locked>>
96%
57072
89%
**02
96%
[IMR 4350]*
<<locked>>
97%
48269
76%
**74
93%
IMR 4451 Enduron
<<locked>>
97%
56768
89%
**28
95%
IMR 4831
<<locked>>
97%
40712
64%
**69
95%
IMR 4895 👍
<<locked>>
91%
56507
89%
**01
99%
IMR 8208 XBR
<<locked>>
88%
57116
89%
**51
100%
Lovex D073.5
<<locked>>
83%
56449
88%
**19
100%
Lovex D073.6
<<locked>>
90%
57232
90%
**65
100%
Lovex S060
<<locked>>
89%
57029
89%
**09
99%
Lovex S062
<<locked>>
93%
56753
89%
**51
100%
Lovex S065
<<locked>>
96%
51692
81%
**43
96%
[Lovex S070]*
<<locked>>
97%
49792
78%
**23
94%
Norma 201
<<locked>>
90%
56463
88%
**28
100%
Norma 202
<<locked>>
90%
57174
90%
**45
100%
Norma 203B 👍
<<locked>>
93%
56492
89%
**84
99%
Norma URP
<<locked>>
97%
47456
74%
**37
96%
Ramshot Big Game 👍
<<locked>>
92%
56521
89%
**97
99%
[Ramshot Hunter]*
<<locked>>
97%
46543
73%
**20
94%
Ramshot TAC
<<locked>>
87%
57159
90%
**35
97%
Ramshot Wild Boar
<<locked>>
87%
56347
88%
**71
99%
Ramshot X-Terminator
<<locked>>
85%
57363
90%
**32
99%
ReloadSwiss RS 14
<<locked>>
96%
33547
53%
**88
100%
ReloadSwiss RS 40
<<locked>>
84%
56492
89%
**25
100%
ReloadSwiss RS 50
<<locked>>
93%
57232
90%
**45
96%
ReloadSwiss RS 52 👍
<<locked>>
93%
56550
89%
**14
100%
ReloadSwiss RS 60
<<locked>>
97%
52460
82%
**20
100%
ReloadSwiss RS 62
<<locked>>
97%
47413
74%
**56
96%
ReloadSwiss RS 70
<<locked>>
96%
47500
74%
**76
95%
Rottweil R 901
<<locked>>
87%
56536
89%
**12
100%
Rottweil R 902
<<locked>>
92%
56884
89%
**32
100%
Rottweil R 903
<<locked>>
96%
56420
88%
**61
99%
[Rottweil R 907]*
<<locked>>
97%
54781
86%
**83
94%
SNPE Vectan SP 11
<<locked>>
95%
56159
88%
**91
99%
SNPE Vectan SP 7
<<locked>>
88%
56681
89%
**42
98%
SNPE Vectan SP 9
<<locked>>
90%
56608
89%
**58
99%
SNPE Vectan Tubal 3000
<<locked>>
89%
56855
89%
**60
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
57261
90%
**50
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
52591
82%
**97
95%
Shooters World Long Rifle
<<locked>>
96%
51692
81%
**43
96%
Shooters World Match Rifle
<<locked>>
90%
57232
90%
**65
100%
Shooters World Precision
<<locked>>
93%
56753
89%
**51
100%
Somchem S321
<<locked>>
85%
56840
89%
**51
100%
Somchem S335
<<locked>>
89%
56623
89%
**60
100%
Somchem S341
<<locked>>
89%
57261
90%
**48
99%
Somchem S355
<<locked>>
96%
57232
90%
**74
99%
Somchem S365
<<locked>>
97%
42409
66%
**78
98%
Vihtavuori N130
<<locked>>
86%
56869
89%
**30
100%
Vihtavuori N133
<<locked>>
91%
56579
89%
**40
100%
Vihtavuori N135
<<locked>>
97%
55245
87%
**79
100%
Vihtavuori N140
<<locked>>
92%
56681
89%
**09
100%
Vihtavuori N150
<<locked>>
97%
48762
76%
**78
99%
Vihtavuori N160
<<locked>>
97%
52924
83%
**96
97%
Vihtavuori N530
<<locked>>
86%
56507
89%
**58
100%
Vihtavuori N540
<<locked>>
92%
56840
89%
**42
100%
Vihtavuori N550
<<locked>>
97%
52968
83%
**51
98%
[Vihtavuori N555]*
<<locked>>
96%
35288
55%
**91
93%
Winchester 6.5 StaBALL
<<locked>>
97%
50865
80%
**27
99%
Winchester 748
<<locked>>
85%
56376
88%
**88
100%
Winchester 760
<<locked>>
97%
56826
89%
**14
96%
Winchester StaBALL Match
<<locked>>
83%
56826
89%
**78
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
43453
68%
**05
97%
[ADI AR 2208]*
<<locked>>
81%
36898
58%
**22
94%
Accurate 2015
<<locked>>
81%
49052
77%
**51
100%
Accurate 2200
<<locked>>
81%
45948
72%
**22
96%
Accurate 2230
<<locked>>
81%
52112
82%
**33
99%
Accurate 2460
<<locked>>
81%
52707
83%
**53
100%
Accurate 2495
<<locked>>
81%
44280
69%
**19
100%
Accurate 2520
<<locked>>
81%
45237
71%
**45
99%
[Accurate 2700]*
<<locked>>
86%
42757
67%
**71
90%
Accurate 4064
<<locked>>
81%
37405
59%
**68
99%
[Accurate 4350]*
<<locked>>
86%
31821
50%
**43
90%
Alliant AR-Comp
<<locked>>
81%
45237
71%
**32
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
36434
57%
**45
96%
Alliant Reloder-15
<<locked>>
81%
39175
61%
**14
95%
[Alliant Reloder-16]*
<<locked>>
86%
33011
52%
**76
90%
[Alliant Reloder-17]*
<<locked>>
81%
31647
50%
**63
92%
[Alliant Reloder-23]*
<<locked>>
93%
30008
47%
**84
90%
Baschieri & Pellagri 107
<<locked>>
81%
43149
68%
**99
95%
Hodgdon BL-C2
<<locked>>
81%
45585
71%
**71
98%
Hodgdon Benchmark
<<locked>>
81%
47616
75%
**28
99%
[Hodgdon CFE223]*
<<locked>>
81%
37724
59%
**97
93%
Hodgdon H322
<<locked>>
81%
48240
76%
**94
100%
[Hodgdon H380]*
<<locked>>
81%
36927
58%
**41
92%
[Hodgdon H414]*
<<locked>>
87%
40089
63%
**53
90%
[Hodgdon H4350]*
<<locked>>
94%
41669
65%
**30
90%
[Hodgdon Hybrid 100V]*
<<locked>>
84%
28427
45%
**99
90%
[Hodgdon LVR]*
<<locked>>
84%
34272
54%
**99
90%
[Hodgdon Superperformance]*
<<locked>>
92%
43294
68%
**38
90%
[Hodgdon VARGET]*
<<locked>>
81%
36608
57%
**02
93%
Hodgdon TrailBoss
<<locked>>
81%
26252
41%
**62
100%
IMR 3031
<<locked>>
81%
39407
62%
**46
100%
[IMR 4064]*
<<locked>>
81%
36158
57%
**89
94%
[IMR 4166 Enduron]*
<<locked>>
84%
39407
62%
**35
90%
[IMR 4350]*
<<locked>>
92%
41495
65%
**23
90%
[IMR 4451 Enduron]*
<<locked>>
86%
39842
62%
**71
90%
[IMR 4831]*
<<locked>>
90%
31995
50%
**30
90%
IMR 4895
<<locked>>
81%
40030
63%
**46
96%
IMR 8208 XBR
<<locked>>
81%
45542
71%
**19
98%
Lovex D073.5
<<locked>>
81%
52286
82%
**46
100%
Lovex D073.6
<<locked>>
81%
42627
67%
**92
99%
Lovex S060
<<locked>>
81%
43859
69%
**53
97%
Lovex S062
<<locked>>
81%
38696
61%
**74
97%
[Lovex S065]*
<<locked>>
84%
35476
56%
**66
90%
[Lovex S070]*
<<locked>>
89%
38957
61%
**71
90%
Norma 201
<<locked>>
81%
42511
67%
**50
98%
Norma 202
<<locked>>
81%
42873
67%
**73
99%
Norma 203B
<<locked>>
81%
38435
60%
**97
95%
[Norma URP]*
<<locked>>
86%
32692
51%
**63
90%
Ramshot Big Game
<<locked>>
81%
38392
60%
**10
95%
[Ramshot Hunter]*
<<locked>>
90%
37927
59%
**97
90%
Ramshot TAC
<<locked>>
81%
45919
72%
**22
95%
Ramshot Wild Boar
<<locked>>
81%
45020
71%
**38
97%
Ramshot X-Terminator
<<locked>>
81%
49545
78%
**87
98%
ReloadSwiss RS 14
<<locked>>
81%
26585
42%
**11
100%
ReloadSwiss RS 40
<<locked>>
81%
51634
81%
**43
100%
[ReloadSwiss RS 50]*
<<locked>>
81%
37695
59%
**15
90%
ReloadSwiss RS 52
<<locked>>
81%
37101
58%
**04
97%
[ReloadSwiss RS 60]*
<<locked>>
81%
30719
48%
**40
92%
[ReloadSwiss RS 62]*
<<locked>>
87%
33257
52%
**95
90%
[ReloadSwiss RS 70]*
<<locked>>
89%
36477
57%
**81
90%
Rottweil R 901
<<locked>>
81%
46862
73%
**28
100%
Rottweil R 902
<<locked>>
81%
40393
63%
**00
97%
[Rottweil R 903]*
<<locked>>
81%
33663
53%
**59
94%
[Rottweil R 907]*
<<locked>>
89%
41989
66%
**17
90%
[SNPE Vectan SP 11]*
<<locked>>
81%
34838
55%
**22
93%
SNPE Vectan SP 7
<<locked>>
81%
44092
69%
**89
95%
SNPE Vectan SP 9
<<locked>>
81%
42134
66%
**63
96%
SNPE Vectan Tubal 3000
<<locked>>
81%
44034
69%
**27
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
36332
57%
**49
99%
[SNPE Vectan Tubal 7000]*
<<locked>>
88%
38972
61%
**12
90%
[Shooters World Long Rifle]*
<<locked>>
84%
35476
56%
**66
90%
Shooters World Match Rifle
<<locked>>
81%
42627
67%
**92
99%
Shooters World Precision
<<locked>>
81%
38696
61%
**74
97%
Somchem S321
<<locked>>
81%
49821
78%
**20
99%
Somchem S335
<<locked>>
81%
43497
68%
**17
100%
Somchem S341
<<locked>>
81%
44048
69%
**96
97%
[Somchem S355]*
<<locked>>
81%
34548
54%
**76
94%
[Somchem S365]*
<<locked>>
83%
26658
42%
**92
91%
Vihtavuori N130
<<locked>>
81%
48733
76%
**99
100%
Vihtavuori N133
<<locked>>
81%
41408
65%
**68
100%
Vihtavuori N135
<<locked>>
81%
33315
52%
**33
99%
Vihtavuori N140
<<locked>>
81%
40045
63%
**81
99%
[Vihtavuori N150]*
<<locked>>
81%
29559
46%
**12
94%
[Vihtavuori N160]*
<<locked>>
83%
32489
51%
**13
90%
Vihtavuori N530
<<locked>>
81%
48327
76%
**04
99%
Vihtavuori N540
<<locked>>
81%
39624
62%
**94
99%
[Vihtavuori N550]*
<<locked>>
83%
32532
51%
**56
90%
[Vihtavuori N555]*
<<locked>>
92%
30647
48%
**40
90%
[Winchester 6.5 StaBALL]*
<<locked>>
81%
29878
47%
**99
91%
Winchester 748
<<locked>>
81%
49327
77%
**50
100%
[Winchester 760]*
<<locked>>
87%
40089
63%
**53
90%
Winchester StaBALL Match
<<locked>>
81%
52721
83%
**02
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.

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