Load data for 7 mm Penna + .277 | 90gr | Speer MHP

Recommended Powder(s): Alliant UNIQUE, Hodgdon Universal, SNPE Vectan BA 9, SNPE Vectan BA9 1/2, Somchem MP200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.277 \| 90gr \| Speer MHP
Manufacturer SKU:	1457
Bullet Weight:	90gr \| 5.8g
Bullet Diameter:	0.277" \| 7.04mm
Bullet Length:	0.845" \| 21.5mm
Caliber:	7 mm Penna load data
Case Length (l3):	0.984" \| 25.0mm
Cartridge Length (C.O.L.):	1.338" \| 34.0mm
Seated Depth:	0.491" \| 12.5mm
Shank Seated Depth:	0.491" \| 12.5mm
Case Capacity:	11.5 Grains of Water \| 0.75 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	36260 psi \| 2500 bar
LID:	LID_B6104_C1045
Last updated:	2025-01-01

Load data for 100 loads in caliber 7 mm Penna with .277 | 90gr | Speer MHP bullet and 50 powders such as Alliant UNIQUE, Hodgdon Universal, SNPE Vectan BA 9, SNPE Vectan BA9 1/2, Somchem MP200. 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 "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" 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 AP 70N	<<locked>>	82%	32503	90%	**01	100%
ADI APS 350	<<locked>>	78%	29863	82%	**0	100%
ADI APS 450	<<locked>>	80%	28921	80%	**7	100%
ADI AS 30	<<locked>>	89%	31821	88%	**2	100%
ADI AS 50N	<<locked>>	86%	31720	87%	**2	100%
Accurate No. 2	<<locked>>	88%	32314	89%	**4	98%
Accurate No. 5	<<locked>>	72%	30995	85%	**27	91%
Accurate Solo 1000	<<locked>>	82%	28137	78%	**9	100%
Accurate Solo 1250	<<locked>>	90%	27528	76%	**2	100%
Alliant BULLSEYE	<<locked>>	82%	29573	82%	**4	100%
[Alliant POWER PISTOL]*	<<locked>>	94%	28529	79%	**33	87%
Alliant UNIQUE 👍	<<locked>>	97%	30574	84%	**24	100%
Baschieri & Pellagri 100	<<locked>>	90%	31763	88%	**8	100%
Hodgdon Clays	<<locked>>	78%	30269	83%	**7	100%
Hodgdon HP38	<<locked>>	65%	29080	80%	**5	100%
Hodgdon HS-6	<<locked>>	80%	31488	87%	**27	93%
Hodgdon Longshot	<<locked>>	74%	29443	81%	**07	94%
Hodgdon Universal 👍	<<locked>>	91%	32503	90%	**01	100%
Lovex D036	<<locked>>	72%	30937	85%	**27	91%
Lovex S011	<<locked>>	74%	28877	80%	**5	100%
Lovex S020	<<locked>>	84%	27601	76%	**8	100%
Maxam CSB 1	<<locked>>	91%	25875	71%	**9	100%
Maxam CSB 2	<<locked>>	96%	28732	79%	**4	100%
Maxam CSB 3	<<locked>>	94%	31691	87%	**8	100%
Maxam CSB 4	<<locked>>	88%	30719	85%	**8	100%
Maxam CSB 5	<<locked>>	84%	32184	89%	**2	100%
Ramshot Silhouette	<<locked>>	81%	32329	89%	**27	99%
Ramshot True Blue	<<locked>>	74%	30197	83%	**10	95%
Ramshot Zip	<<locked>>	69%	32416	89%	**4	100%
ReloadSwiss RS 12	<<locked>>	87%	32155	89%	**1	100%
ReloadSwiss RS 20	<<locked>>	93%	25715	71%	**4	100%
Rottweil P 801	<<locked>>	77%	30255	83%	**8	100%
[Rottweil P 806]*	<<locked>>	96%	18014	50%	**8	86%
SNPE Vectan A0	<<locked>>	91%	25962	72%	**9	98%
SNPE Vectan BA 9 👍	<<locked>>	90%	32155	89%	**1	100%
SNPE Vectan BA10	<<locked>>	74%	28906	80%	**7	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	25193	69%	**2	91%
SNPE Vectan BA9 1/2 👍	<<locked>>	90%	30284	84%	**8	100%
Shooters World Auto Pistol	<<locked>>	72%	30937	85%	**27	91%
Somchem MP200 👍	<<locked>>	90%	32053	88%	**20	99%
Somchem MS200	<<locked>>	89%	28297	78%	**1	100%
[Somchem S221]*	<<locked>>	84%	30530	84%	**27	84%
Vihtavuori 3N37	<<locked>>	97%	28906	80%	**17	95%
Vihtavuori N310	<<locked>>	71%	31937	88%	**3	100%
Vihtavuori N320	<<locked>>	85%	28964	80%	**5	100%
Vihtavuori N32C Tin Star	<<locked>>	92%	18710	52%	**1	100%
Vihtavuori N330	<<locked>>	89%	29022	80%	**8	100%
Vihtavuori N340	<<locked>>	94%	30429	84%	**1	100%
Vihtavuori N350	<<locked>>	91%	22887	63%	**8	92%
Winchester 231	<<locked>>	77%	32416	89%	**4	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 70N]²	<<locked>>	58%	17564	48%	**4	99%
ADI APS 350	<<locked>>	61%	19856	55%	**9	100%
ADI APS 450	<<locked>>	64%	20059	55%	**8	100%
ADI AS 30	<<locked>>	64%	18405	51%	**1	100%
ADI AS 50N	<<locked>>	64%	18971	52%	**1	100%
Accurate No. 2	<<locked>>	63%	15737	43%	**1	90%
[Accurate No. 5]*	<<locked>>	60%	20537	57%	**9	84%
Accurate Solo 1000	<<locked>>	60%	16317	45%	**5	100%
Accurate Solo 1250	<<locked>>	63%	13735	38%	**2	97%
Alliant BULLSEYE	<<locked>>	63%	18072	50%	**7	96%
[Alliant POWER PISTOL]*	<<locked>>	84%	21988	61%	**8	82%
[Alliant UNIQUE]*²	<<locked>>	58%	12169	34%	**5	89%
Baschieri & Pellagri 100	<<locked>>	63%	16012	44%	**8	100%
Hodgdon Clays	<<locked>>	61%	20088	55%	**9	100%
Hodgdon HP38	<<locked>>	60%	24947	69%	**9	100%
[Hodgdon HS-6]*	<<locked>>	63%	18768	52%	**3	85%
[Hodgdon Longshot]*	<<locked>>	62%	19638	54%	**6	89%
[Hodgdon Universal]²	<<locked>>	58%	14663	40%	**8	98%
[Lovex D036]*	<<locked>>	60%	20494	57%	**9	84%
Lovex S011	<<locked>>	61%	20363	56%	**4	100%
Lovex S020	<<locked>>	60%	13866	38%	**5	94%
Maxam CSB 1	<<locked>>	63%	13155	36%	**9	96%
Maxam CSB 2	<<locked>>	61%	12169	34%	**8	100%
[Maxam CSB 3]²	<<locked>>	58%	13343	37%	**2	99%
[Maxam CSB 4]²	<<locked>>	59%	14924	41%	**5	100%
Maxam CSB 5	<<locked>>	61%	18231	50%	**1	100%
Ramshot Silhouette	<<locked>>	62%	18391	51%	**0	93%
[Ramshot True Blue]*	<<locked>>	61%	20349	56%	**9	89%
[Ramshot Zip]²	<<locked>>	59%	23902	66%	**3	100%
ReloadSwiss RS 12	<<locked>>	62%	16694	46%	**4	100%
ReloadSwiss RS 20	<<locked>>	62%	11864	33%	**5	91%
[Rottweil P 801]²	<<locked>>	59%	18623	51%	**4	100%
[Rottweil P 806]*	<<locked>>	87%	14431	40%	**6	81%
[SNPE Vectan A0]*²	<<locked>>	58%	11908	33%	**9	88%
SNPE Vectan BA 9	<<locked>>	60%	14910	41%	**5	96%
[SNPE Vectan BA10]²	<<locked>>	59%	20044	55%	**8	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	74%	14605	40%	**1	82%
[SNPE Vectan BA9 1/2]²	<<locked>>	58%	13532	37%	**9	96%
[Shooters World Auto Pistol]*	<<locked>>	60%	20494	57%	**9	84%
Somchem MP200	<<locked>>	62%	15722	43%	**4	91%
Somchem MS200	<<locked>>	64%	15331	42%	**8	94%
[Somchem S221]*	<<locked>>	80%	27195	75%	**4	82%
[Vihtavuori 3N37]*	<<locked>>	65%	12328	34%	**5	80%
Vihtavuori N310	<<locked>>	64%	26005	72%	**0	100%
Vihtavuori N320	<<locked>>	64%	16447	45%	**4	100%
Vihtavuori N32C Tin Star	<<locked>>	75%	12966	36%	**6	100%
Vihtavuori N330	<<locked>>	64%	14330	40%	**1	99%
Vihtavuori N340	<<locked>>	63%	13474	37%	**2	91%
[Vihtavuori N350]*	<<locked>>	69%	12720	35%	**2	81%
Winchester 231	<<locked>>	60%	20218	56%	**3	100%

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.