Load data for 6.5 x 58 mm Mauser Port. + .264 | 140gr | Sierra HPBT MatchKing

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.264 \| 140gr \| Sierra HPBT MatchKing
Manufacturer SKU:	1740
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.264" \| 6.71mm
Bullet Length:	<<locked>>
Caliber:	6.5 x 58 mm Mauser Port. load data
Case Length (l3):	2.283" \| 58.0mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	57.0 Grains of Water \| 3.70 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	51488 psi \| 3550 bar
LID:	LID_B5813_C1021
Last updated:	2026-01-22
Recommended Twist Rate:	1:9 - 1:8

Load data for 112 loads in caliber 6.5 x 58 mm Mauser Port. with .264 | 140gr | Sierra HPBT MatchKing bullet and 56 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 "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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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.
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.

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 2209	<<locked>>	92%	45397	88%	**05	96%
[ADI AR 2213]*	<<locked>>	96%	45556	88%	**35	94%
Accurate 3100	<<locked>>	97%	45977	89%	**92	99%
Accurate 4350	<<locked>>	87%	45440	88%	**92	100%
[Accurate MAGPRO]*	<<locked>>	97%	45614	89%	**57	92%
Alliant Reloder-16	<<locked>>	88%	45759	89%	**38	100%
Alliant Reloder-17	<<locked>>	84%	45788	89%	**54	100%
Alliant Reloder-19	<<locked>>	93%	46006	89%	**18	96%
Alliant Reloder-22	<<locked>>	97%	46296	90%	**74	97%
Alliant Reloder-23 👍	<<locked>>	97%	43685	85%	**18	100%
Alliant Reloder-25	<<locked>>	96%	37840	73%	**23	98%
Alliant Reloder-26 👍	<<locked>>	95%	46137	90%	**36	100%
Bofors RP15	<<locked>>	97%	42351	82%	**95	95%
Bofors RP5	<<locked>>	97%	46296	90%	**74	97%
Bofors RP7	<<locked>>	84%	46035	89%	**36	97%
Hodgdon H414	<<locked>>	83%	46137	90%	**18	98%
Hodgdon H4350	<<locked>>	89%	46035	89%	**56	97%
[Hodgdon H4831]*	<<locked>>	96%	43497	84%	**43	93%
[Hodgdon H4831 SC]*	<<locked>>	94%	45745	89%	**89	94%
Hodgdon Hybrid 100V	<<locked>>	91%	46180	90%	**82	100%
Hodgdon LVR	<<locked>>	85%	45571	89%	**89	99%
Hodgdon Superperformance	<<locked>>	86%	46093	90%	**44	98%
IMR 4350	<<locked>>	87%	45382	88%	**49	97%
IMR 4831	<<locked>>	92%	45600	89%	**82	100%
[IMR 4955 Enduron]*	<<locked>>	94%	45803	89%	**52	94%
IMR 7828 SSC	<<locked>>	95%	45701	89%	**44	95%
Lovex S065	<<locked>>	85%	45498	88%	**33	99%
Lovex S070	<<locked>>	87%	46311	90%	**69	98%
Lovex S071	<<locked>>	97%	38667	75%	**61	97%
Norma 204	<<locked>>	88%	46050	89%	**02	96%
Norma MRP	<<locked>>	95%	45339	88%	**84	98%
Norma URP	<<locked>>	88%	45847	89%	**05	100%
Ramshot Grand	<<locked>>	94%	45832	89%	**64	95%
Ramshot Hunter	<<locked>>	89%	46166	90%	**25	99%
Ramshot Magnum	<<locked>>	97%	44962	87%	**21	97%
ReloadSwiss RS 62	<<locked>>	87%	45774	89%	**25	99%
ReloadSwiss RS 70 👍	<<locked>>	88%	46108	90%	**67	99%
ReloadSwiss RS 76	<<locked>>	97%	36782	71%	**30	95%
Rottweil R 904	<<locked>>	91%	46224	90%	**72	95%
Rottweil R 905	<<locked>>	93%	46151	90%	**25	97%
Rottweil R 907	<<locked>>	84%	46035	89%	**36	97%
SNPE Vectan Tubal 7000	<<locked>>	85%	45774	89%	**93	98%
Shooters World Long Rifle	<<locked>>	85%	45498	88%	**33	99%
[Somchem S361]*	<<locked>>	91%	46282	90%	**43	94%
Somchem S365	<<locked>>	91%	46282	90%	**38	100%
Somchem S385	<<locked>>	93%	46137	90%	**95	97%
Vihtavuori N150	<<locked>>	87%	45513	88%	**07	100%
Vihtavuori N160	<<locked>>	85%	45440	88%	**59	99%
Vihtavuori N165	<<locked>>	97%	43178	84%	**33	96%
Vihtavuori N550	<<locked>>	85%	45948	89%	**05	100%
Vihtavuori N555 👍	<<locked>>	95%	46021	89%	**48	100%
[Vihtavuori N560]*	<<locked>>	96%	45571	89%	**64	94%
[Vihtavuori N565]*	<<locked>>	97%	38870	75%	**33	92%
Winchester 6.5 StaBALL	<<locked>>	87%	46137	90%	**59	100%
Winchester 760	<<locked>>	83%	46137	90%	**18	98%
Winchester StaBALL HD 👍	<<locked>>	97%	36883	72%	**48	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2209]*	<<locked>>	81%	31836	62%	**03	90%
[ADI AR 2213]*	<<locked>>	89%	36245	70%	**28	90%
[Accurate 3100]*	<<locked>>	81%	27224	53%	**82	92%
Accurate 4350	<<locked>>	81%	37275	72%	**44	98%
[Accurate MAGPRO]*	<<locked>>	93%	40234	78%	**52	90%
Alliant Reloder-16	<<locked>>	81%	36361	71%	**44	98%
Alliant Reloder-17	<<locked>>	81%	41176	80%	**69	100%
[Alliant Reloder-19]*	<<locked>>	81%	31778	62%	**03	91%
[Alliant Reloder-22]*	<<locked>>	85%	31212	61%	**29	90%
Alliant Reloder-23	<<locked>>	81%	26527	52%	**11	96%
[Alliant Reloder-25]*	<<locked>>	84%	25875	50%	**85	90%
[Alliant Reloder-26]*	<<locked>>	81%	28282	55%	**13	94%
[Bofors RP15]*	<<locked>>	87%	31125	60%	**33	90%
[Bofors RP5]*	<<locked>>	85%	31212	61%	**29	90%
Bofors RP7	<<locked>>	81%	41611	81%	**54	96%
Hodgdon H414	<<locked>>	81%	42554	83%	**52	97%
[Hodgdon H4350]*	<<locked>>	81%	35128	68%	**39	94%
[Hodgdon H4831]*	<<locked>>	91%	36840	72%	**08	90%
[Hodgdon H4831 SC]*	<<locked>>	87%	36361	71%	**95	90%
Hodgdon Hybrid 100V	<<locked>>	81%	33895	66%	**49	99%
Hodgdon LVR	<<locked>>	81%	40001	78%	**87	98%
Hodgdon Superperformance	<<locked>>	81%	38189	74%	**90	95%
IMR 4350	<<locked>>	81%	37057	72%	**79	95%
IMR 4831	<<locked>>	81%	32401	63%	**16	97%
[IMR 4955 Enduron]*	<<locked>>	86%	35186	68%	**33	90%
[IMR 7828 SSC]*	<<locked>>	87%	35578	69%	**21	90%
Lovex S065	<<locked>>	81%	40277	78%	**31	98%
Lovex S070	<<locked>>	81%	38493	75%	**18	96%
[Lovex S071]*	<<locked>>	82%	24323	47%	**96	90%
[Norma 204]*	<<locked>>	81%	36477	71%	**05	93%
[Norma MRP]*	<<locked>>	81%	28732	56%	**87	91%
Norma URP	<<locked>>	81%	37057	72%	**31	98%
[Ramshot Grand]*	<<locked>>	86%	35476	69%	**31	90%
Ramshot Hunter	<<locked>>	81%	35926	70%	**15	96%
[Ramshot Magnum]*	<<locked>>	86%	30516	59%	**93	90%
ReloadSwiss RS 62	<<locked>>	81%	36898	72%	**54	98%
ReloadSwiss RS 70	<<locked>>	81%	35955	70%	**61	97%
[ReloadSwiss RS 76]*	<<locked>>	91%	30589	59%	**49	90%
[Rottweil R 904]*	<<locked>>	82%	33823	66%	**06	90%
[Rottweil R 905]*	<<locked>>	81%	30603	59%	**83	90%
Rottweil R 907	<<locked>>	81%	41611	81%	**54	96%
SNPE Vectan Tubal 7000	<<locked>>	81%	39566	77%	**79	96%
Shooters World Long Rifle	<<locked>>	81%	40277	78%	**31	98%
[Somchem S361]*	<<locked>>	83%	36347	71%	**49	90%
Somchem S365	<<locked>>	81%	33156	64%	**88	100%
[Somchem S385]*	<<locked>>	81%	30879	60%	**74	92%
Vihtavuori N150	<<locked>>	81%	38479	75%	**85	100%
Vihtavuori N160	<<locked>>	81%	40118	78%	**61	99%
[Vihtavuori N165]*	<<locked>>	84%	29109	57%	**11	90%
Vihtavuori N550	<<locked>>	81%	40466	79%	**00	99%
Vihtavuori N555	<<locked>>	81%	28993	56%	**87	96%
[Vihtavuori N560]*	<<locked>>	89%	36332	71%	**64	90%
[Vihtavuori N565]*	<<locked>>	93%	34418	67%	**28	90%
Winchester 6.5 StaBALL	<<locked>>	81%	37782	73%	**08	100%
Winchester 760	<<locked>>	81%	42554	83%	**52	97%
[Winchester StaBALL HD]*	<<locked>>	81%	23482	46%	**78	94%

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