Load data for 7 x 57 R + .284 | 130gr | Sierra HPBT MatchKing

Recommended Powder(s): Alliant Reloder- TS 15.5, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 130gr \| Sierra HPBT MatchKing
Manufacturer SKU:	1903
Bullet Weight:	130gr \| 8.4g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.180" \| 30.0mm
Caliber:	7 x 57 R load data
Case Length (l3):	2.244" \| 57.0mm
Cartridge Length (C.O.L.):	3.025" \| 76.8mm
Seated Depth:	0.399" \| 10.1mm
Shank Seated Depth:	0.264" \| 6.7mm
Case Capacity:	60.0 Grains of Water \| 3.90 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	49313 psi \| 3400 bar
LID:	LID_B5836_C1089
Last updated:	2025-01-01
Recommended Twist Rate:	1:11 - 1:9

Load data for 124 loads in caliber 7 x 57 R with .284 | 130gr | Sierra HPBT MatchKing bullet and 62 powders such as Alliant Reloder- TS 15.5, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355. 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 30.8 fps
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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 2208	<<locked>>	88%	43613	88%	**13	97%
[Accurate 2700]*	<<locked>>	89%	43918	89%	**51	92%
Accurate 4064	<<locked>>	87%	43888	89%	**43	100%
Accurate 4350	<<locked>>	96%	43656	89%	**02	97%
Alliant Reloder- TS 15.5 👍	<<locked>>	89%	44222	90%	**62	99%
Alliant Reloder-15	<<locked>>	86%	43903	89%	**59	97%
Alliant Reloder-16	<<locked>>	97%	44179	90%	**28	97%
Alliant Reloder-17	<<locked>>	92%	43439	88%	**41	98%
[Alliant Reloder-23]*	<<locked>>	97%	31575	64%	**43	94%
Baschieri & Pellagri 107	<<locked>>	83%	44106	89%	**59	97%
Hodgdon CFE223	<<locked>>	87%	43656	89%	**89	97%
Hodgdon H380	<<locked>>	88%	43903	89%	**49	96%
[Hodgdon H414]*	<<locked>>	91%	43947	89%	**95	93%
[Hodgdon H4350]*	<<locked>>	97%	43120	87%	**10	92%
Hodgdon Hybrid 100V	<<locked>>	96%	39958	81%	**00	97%
Hodgdon LVR	<<locked>>	93%	43453	88%	**82	96%
[Hodgdon Superperformance]*	<<locked>>	94%	43932	89%	**99	92%
Hodgdon VARGET	<<locked>>	88%	44092	89%	**23	97%
Hodgdon TrailBoss	<<locked>>	95%	32822	67%	**39	100%
IMR 3031	<<locked>>	86%	43787	89%	**62	100%
IMR 4064	<<locked>>	88%	43569	88%	**13	97%
[IMR 4166 Enduron]*	<<locked>>	89%	44222	90%	**84	93%
[IMR 4350]*	<<locked>>	96%	44338	90%	**36	93%
[IMR 4451 Enduron]*	<<locked>>	90%	44237	90%	**10	93%
IMR 4831	<<locked>>	96%	37420	76%	**57	95%
IMR 4895	<<locked>>	85%	44135	89%	**72	98%
Lovex D073.6	<<locked>>	83%	43830	89%	**46	100%
Lovex S062	<<locked>>	87%	44295	90%	**33	99%
Lovex S065	<<locked>>	93%	44222	90%	**23	95%
[Lovex S070]*	<<locked>>	95%	43888	89%	**30	94%
Norma 203B	<<locked>>	86%	43990	89%	**62	98%
Norma URP	<<locked>>	96%	43888	89%	**08	97%
Ramshot Big Game	<<locked>>	87%	44005	89%	**82	98%
[Ramshot Hunter]*	<<locked>>	97%	43468	88%	**89	94%
ReloadSwiss RS 14	<<locked>>	95%	33170	67%	**78	100%
[ReloadSwiss RS 50]*	<<locked>>	87%	43656	89%	**07	94%
ReloadSwiss RS 52 👍	<<locked>>	88%	44382	90%	**15	99%
ReloadSwiss RS 60 👍	<<locked>>	93%	44034	89%	**64	99%
ReloadSwiss RS 62	<<locked>>	96%	43627	88%	**22	96%
ReloadSwiss RS 70	<<locked>>	96%	43859	89%	**22	95%
Rottweil R 902	<<locked>>	85%	43976	89%	**03	99%
Rottweil R 903 👍	<<locked>>	90%	43497	88%	**56	98%
[Rottweil R 907]*	<<locked>>	92%	43932	89%	**03	92%
SNPE Vectan SP 11	<<locked>>	89%	43830	89%	**92	98%
SNPE Vectan SP 9	<<locked>>	83%	43584	88%	**30	98%
SNPE Vectan Tubal 5000	<<locked>>	88%	44092	89%	**48	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	93%	44237	90%	**77	93%
Shooters World Long Rifle	<<locked>>	93%	44222	90%	**23	95%
Shooters World Match Rifle	<<locked>>	83%	43830	89%	**46	100%
Shooters World Precision	<<locked>>	87%	44295	90%	**33	99%
Somchem S355 👍	<<locked>>	90%	44237	90%	**53	98%
Somchem S365	<<locked>>	97%	39378	80%	**49	99%
Vihtavuori N133	<<locked>>	84%	44222	90%	**48	100%
Vihtavuori N135	<<locked>>	91%	44251	90%	**13	100%
Vihtavuori N140	<<locked>>	85%	44164	90%	**03	100%
Vihtavuori N150	<<locked>>	95%	44135	90%	**23	99%
Vihtavuori N160	<<locked>>	93%	43540	88%	**53	96%
Vihtavuori N540	<<locked>>	85%	43642	88%	**17	100%
Vihtavuori N550	<<locked>>	93%	43700	89%	**02	96%
[Vihtavuori N555]*	<<locked>>	97%	33025	67%	**15	94%
Winchester 6.5 StaBALL	<<locked>>	94%	43540	88%	**26	98%
[Winchester 760]*	<<locked>>	91%	43947	89%	**95	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	35708	72%	**39	95%
[Accurate 2700]*	<<locked>>	85%	39073	79%	**56	90%
Accurate 4064	<<locked>>	81%	35723	72%	**85	99%
[Accurate 4350]*	<<locked>>	84%	28442	58%	**44	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	34751	70%	**56	96%
Alliant Reloder-15	<<locked>>	81%	37521	76%	**21	96%
[Alliant Reloder-16]*	<<locked>>	84%	29950	61%	**64	90%
[Alliant Reloder-17]*	<<locked>>	81%	30095	61%	**97	93%
[Alliant Reloder-23]*	<<locked>>	92%	27093	55%	**98	90%
Baschieri & Pellagri 107	<<locked>>	81%	40625	82%	**94	96%
[Hodgdon CFE223]*	<<locked>>	81%	35810	73%	**15	94%
[Hodgdon H380]*	<<locked>>	81%	35331	72%	**62	93%
[Hodgdon H414]*	<<locked>>	86%	36680	74%	**31	90%
[Hodgdon H4350]*	<<locked>>	94%	39073	79%	**21	90%
[Hodgdon Hybrid 100V]*	<<locked>>	82%	25860	52%	**20	90%
[Hodgdon LVR]*	<<locked>>	83%	30995	63%	**77	90%
[Hodgdon Superperformance]*	<<locked>>	91%	39885	81%	**07	90%
Hodgdon VARGET	<<locked>>	81%	35288	72%	**36	95%
Hodgdon TrailBoss	<<locked>>	86%	28674	58%	**50	100%
IMR 3031	<<locked>>	81%	37666	76%	**41	100%
IMR 4064	<<locked>>	81%	34838	71%	**20	95%
[IMR 4166 Enduron]*	<<locked>>	82%	36463	74%	**10	90%
[IMR 4350]*	<<locked>>	92%	38740	79%	**12	90%
[IMR 4451 Enduron]*	<<locked>>	84%	36332	74%	**39	90%
[IMR 4831]*	<<locked>>	87%	28297	57%	**18	90%
IMR 4895	<<locked>>	81%	38319	78%	**51	96%
Lovex D073.6	<<locked>>	81%	40234	82%	**74	99%
Lovex S062	<<locked>>	81%	36927	75%	**82	97%
[Lovex S065]*	<<locked>>	82%	31734	64%	**38	90%
[Lovex S070]*	<<locked>>	88%	35375	72%	**49	90%
Norma 203B	<<locked>>	81%	36767	75%	**08	96%
[Norma URP]*	<<locked>>	84%	29457	60%	**51	90%
Ramshot Big Game	<<locked>>	81%	36274	74%	**15	95%
[Ramshot Hunter]*	<<locked>>	89%	34447	70%	**79	90%
ReloadSwiss RS 14	<<locked>>	83%	27441	56%	**57	100%
[ReloadSwiss RS 50]*	<<locked>>	81%	35984	73%	**43	91%
ReloadSwiss RS 52	<<locked>>	81%	35389	72%	**25	98%
[ReloadSwiss RS 60]*	<<locked>>	81%	29240	59%	**77	93%
[ReloadSwiss RS 62]*	<<locked>>	85%	29805	60%	**87	90%
[ReloadSwiss RS 70]*	<<locked>>	88%	33518	68%	**66	90%
Rottweil R 902	<<locked>>	81%	39044	79%	**02	98%
Rottweil R 903	<<locked>>	81%	31995	65%	**93	95%
[Rottweil R 907]*	<<locked>>	87%	38261	78%	**82	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	33272	67%	**49	94%
SNPE Vectan SP 9	<<locked>>	81%	40364	82%	**61	97%
SNPE Vectan Tubal 5000	<<locked>>	81%	35099	71%	**80	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	87%	35114	71%	**90	90%
[Shooters World Long Rifle]*	<<locked>>	82%	31734	64%	**38	90%
Shooters World Match Rifle	<<locked>>	81%	40234	82%	**74	99%
Shooters World Precision	<<locked>>	81%	36927	75%	**82	97%
Somchem S355	<<locked>>	81%	33330	68%	**16	95%
[Somchem S365]*	<<locked>>	81%	23960	49%	**03	91%
Vihtavuori N133	<<locked>>	81%	39900	81%	**72	100%
Vihtavuori N135	<<locked>>	81%	32256	65%	**67	100%
Vihtavuori N140	<<locked>>	81%	38261	78%	**92	100%
Vihtavuori N150	<<locked>>	81%	28007	57%	**59	95%
[Vihtavuori N160]*	<<locked>>	81%	29327	59%	**11	90%
Vihtavuori N540	<<locked>>	81%	38000	77%	**08	99%
[Vihtavuori N550]*	<<locked>>	81%	29327	59%	**48	90%
[Vihtavuori N555]*	<<locked>>	91%	27731	56%	**51	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	28195	57%	**56	92%
[Winchester 760]*	<<locked>>	86%	36680	74%	**31	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.