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Load data for 7 mm Penna + .277 | 100gr | Winchester Pointed Soft Point

Recommended Powder(s): none

7 mm Penna + .277 | 100gr | Winchester Pointed Soft Point

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.277 | 100gr | Winchester Pointed Soft Point
Bullet Weight:
100gr | 6.5g
Bullet Diameter:
0.277" | 7.04mm
Bullet Length:
1.000" | 25.4mm
Caliber:
7 mm Penna load data
Case Length (l3):
0.984" | 25.0mm
Cartridge Length (C.O.L.):
1.338" | 34.0mm
Seated Depth:
0.646" | 16.4mm
Shank Seated Depth:
0.646" | 16.4mm
Case Capacity:
11.5 Grains of Water | 0.75 cm³
Primer Size:
Small Pistol (SP)
Max. allowed Pressure:
36260 psi | 2500 bar
LID:
LID_B6616_C1045
Last updated:
2025-12-08

Load data for 10 loads in caliber 7 mm Penna with .277 | 100gr | Winchester Pointed Soft Point bullet and 5 powders such as none. 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
Alliant Sport Pistol
<<locked>>
95%
27673
76%
**9
92%
[Hodgdon Longshot]*
<<locked>>
95%
29051
80%
**9
82%
[Ramshot True Blue]*
<<locked>>
94%
30719
85%
**2
83%
Shooters World Ultimate Pistol
<<locked>>
76%
29733
82%
**5
95%
Somchem S121
<<locked>>
77%
31836
88%
**8
98%

Max Load - Barrel Length: 5.50''

Powder
Charge
FR
MaxP
%
V(0)
z
Alliant Sport Pistol
<<locked>>
88%
23467
65%
**6
90%
[Hodgdon Longshot]*
<<locked>>
90%
25440
70%
**6
80%
[Ramshot True Blue]*
<<locked>>
89%
26223
72%
**9
81%
Shooters World Ultimate Pistol
<<locked>>
71%
25411
70%
**9
93%
Somchem S121
<<locked>>
67%
23177
64%
**6
95%

Start Load - Barrel Length: 5.50''

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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