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Load data for .375 Fl N.E. 2 1/2 + .375 | 270gr | Lehigh Defense Controlled Fracturing

Recommended Powder(s): Alliant AR-Comp

.375 Fl N.E. 2 1/2 + .375 | 270gr | Lehigh Defense Controlled Fracturing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 270gr | Lehigh Defense Controlled Fracturing
Manufacturer SKU:
02375270SP
Bullet Weight:
270gr | 17.5g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.430" | 36.3mm
Caliber:
.375 Fl N.E. 2 1/2 load data
Case Length (l3):
2.500" | 63.5mm
Cartridge Length (C.O.L.):
3.201" | 81.3mm
Seated Depth:
0.729" | 18.5mm
Shank Seated Depth:
0.669" | 17.0mm
Case Capacity:
68.0 Grains of Water | 4.42 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
31908 psi | 2200 bar
LID:
LID_B11080_C540
Last updated:
2025-11-15
Recommended Twist Rate:
1:15 - 1:13

Load data for 32 loads in caliber .375 Fl N.E. 2 1/2 with .375 | 270gr | Lehigh Defense Controlled Fracturing bullet and 16 powders such as Alliant AR-Comp. 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
Accurate 2495
<<locked>>
90%
28166
88%
**69
97%
[Accurate 2520]*
<<locked>>
88%
28601
90%
**42
92%
[Accurate 4064]*
<<locked>>
95%
28268
89%
**65
94%
Alliant AR-Comp 👍
<<locked>>
86%
28065
88%
**32
99%
IMR 3031
<<locked>>
90%
28282
89%
**39
95%
[Lovex D073.6]*
<<locked>>
90%
28601
90%
**42
92%
[Norma 202]*
<<locked>>
87%
28616
90%
**09
93%
[Rottweil R 901]*
<<locked>>
83%
28485
89%
**70
93%
[SNPE Vectan Tubal 3000]*
<<locked>>
84%
28413
89%
**27
93%
[SNPE Vectan Tubal 5000]*
<<locked>>
91%
28660
90%
**47
94%
[Shooters World Match Rifle]*
<<locked>>
90%
28601
90%
**42
92%
[Somchem S335]*
<<locked>>
85%
28079
88%
**44
94%
Vihtavuori N133
<<locked>>
86%
28326
89%
**47
96%
Vihtavuori N135
<<locked>>
96%
28050
88%
**09
96%
[Vihtavuori N140]*
<<locked>>
89%
28689
90%
**90
93%
[Vihtavuori N540]*
<<locked>>
89%
28485
89%
**06
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[Accurate 2495]*
<<locked>>
81%
21292
67%
**98
93%
[Accurate 2520]*
<<locked>>
84%
25773
81%
**73
90%
[Accurate 4064]*
<<locked>>
87%
22104
69%
**08
90%
Alliant AR-Comp
<<locked>>
81%
24656
77%
**44
97%
[IMR 3031]*
<<locked>>
81%
21727
68%
**55
91%
[Lovex D073.6]*
<<locked>>
86%
25773
81%
**73
90%
[Norma 202]*
<<locked>>
81%
23685
74%
**88
90%
[Rottweil R 901]*
<<locked>>
81%
26760
84%
**31
92%
[SNPE Vectan Tubal 3000]*
<<locked>>
81%
25889
81%
**72
91%
[SNPE Vectan Tubal 5000]*
<<locked>>
82%
22176
69%
**83
90%
[Shooters World Match Rifle]*
<<locked>>
86%
25773
81%
**73
90%
[Somchem S335]*
<<locked>>
81%
25193
79%
**78
92%
[Vihtavuori N133]*
<<locked>>
81%
24308
76%
**52
94%
[Vihtavuori N135]*
<<locked>>
84%
19870
62%
**83
90%
[Vihtavuori N140]*
<<locked>>
83%
23612
74%
**62
90%
[Vihtavuori N540]*
<<locked>>
85%
24671
77%
**11
90%

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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