Load data for 7 x 57 R + .284 | 140gr | Impala RNFP KO

Recommended Powder(s): Alliant Reloder- TS 15.5, Alliant Reloder-17, Hodgdon Hybrid 100V, ReloadSwiss RS 60, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 140gr \| Impala RNFP KO
Bullet Weight:	140gr \| 9.1g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.255" \| 31.9mm
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:	0.474" \| 12.0mm
Shank Seated Depth:	0.474" \| 12.0mm
Case Capacity:	60.0 Grains of Water \| 3.90 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	49313 psi \| 3400 bar
LID:	LID_B2982_C1089
Last updated:	2025-01-01

Load data for 114 loads in caliber 7 x 57 R with .284 | 140gr | Impala RNFP KO bullet and 57 powders such as Alliant Reloder- TS 15.5, Alliant Reloder-17, Hodgdon Hybrid 100V, ReloadSwiss RS 60, Somchem S365. 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 AR 2208	<<locked>>	86%	44019	89%	**12	98%
[Accurate 2700]*	<<locked>>	87%	44092	89%	**49	93%
[Accurate 3100]*	<<locked>>	96%	34722	70%	**77	92%
Accurate 4064	<<locked>>	84%	43976	89%	**21	100%
Accurate 4350	<<locked>>	94%	44237	90%	**00	97%
Alliant Reloder- TS 15.5 👍	<<locked>>	86%	43903	89%	**38	99%
Alliant Reloder-15	<<locked>>	84%	44222	90%	**51	98%
Alliant Reloder-16	<<locked>>	94%	43845	89%	**07	97%
Alliant Reloder-17 👍	<<locked>>	90%	44019	89%	**33	99%
Alliant Reloder-23	<<locked>>	97%	34301	70%	**13	96%
[Alliant Reloder-26]*	<<locked>>	97%	37101	75%	**31	94%
Hodgdon CFE223	<<locked>>	85%	43903	89%	**80	97%
Hodgdon H380	<<locked>>	85%	44309	90%	**41	97%
[Hodgdon H414]*	<<locked>>	89%	43511	88%	**71	94%
[Hodgdon H4350]*	<<locked>>	95%	44193	90%	**18	93%
Hodgdon Hybrid 100V 👍	<<locked>>	97%	43903	89%	**64	99%
Hodgdon LVR	<<locked>>	91%	44295	90%	**80	96%
[Hodgdon Superperformance]*	<<locked>>	92%	44324	90%	**94	93%
Hodgdon VARGET	<<locked>>	85%	43671	89%	**05	98%
IMR 3031	<<locked>>	83%	43976	89%	**35	100%
IMR 4064	<<locked>>	86%	43598	88%	**89	98%
[IMR 4166 Enduron]*	<<locked>>	86%	44019	89%	**69	94%
[IMR 4350]*	<<locked>>	93%	43627	88%	**15	93%
[IMR 4451 Enduron]*	<<locked>>	88%	43569	88%	**89	94%
IMR 4831	<<locked>>	96%	41133	83%	**21	97%
Lovex S062	<<locked>>	84%	43874	89%	**05	99%
Lovex S065	<<locked>>	90%	43511	88%	**95	96%
[Lovex S070]*	<<locked>>	92%	44063	89%	**25	94%
Norma 203B	<<locked>>	84%	44338	90%	**57	98%
Norma URP	<<locked>>	94%	44222	90%	**90	97%
Ramshot Big Game	<<locked>>	84%	43526	88%	**54	98%
Ramshot Hunter	<<locked>>	95%	43990	89%	**94	95%
ReloadSwiss RS 14	<<locked>>	96%	34084	69%	**06	100%
ReloadSwiss RS 50	<<locked>>	85%	43729	89%	**98	95%
ReloadSwiss RS 52	<<locked>>	85%	43947	89%	**80	100%
ReloadSwiss RS 60 👍	<<locked>>	91%	43685	89%	**49	99%
ReloadSwiss RS 62	<<locked>>	94%	43613	88%	**13	97%
ReloadSwiss RS 70	<<locked>>	94%	43540	88%	**10	96%
Rottweil R 903	<<locked>>	87%	43584	88%	**35	99%
[Rottweil R 907]*	<<locked>>	89%	44353	90%	**98	93%
SNPE Vectan SP 11	<<locked>>	87%	44019	89%	**77	98%
SNPE Vectan Tubal 5000	<<locked>>	86%	44034	89%	**36	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	90%	43758	89%	**59	94%
Shooters World Long Rifle	<<locked>>	90%	43511	88%	**95	96%
Shooters World Precision	<<locked>>	84%	43874	89%	**05	99%
Somchem S355	<<locked>>	87%	43540	88%	**25	99%
Somchem S365 👍	<<locked>>	97%	43265	88%	**20	100%
[Somchem S385]*	<<locked>>	97%	40292	82%	**89	92%
Vihtavuori N135	<<locked>>	88%	43642	89%	**79	100%
Vihtavuori N150	<<locked>>	92%	43671	89%	**05	100%
Vihtavuori N160	<<locked>>	91%	43990	89%	**48	97%
Vihtavuori N540	<<locked>>	83%	44295	90%	**15	100%
Vihtavuori N550	<<locked>>	91%	44353	90%	**87	97%
Vihtavuori N555	<<locked>>	97%	36666	74%	**92	96%
Winchester 6.5 StaBALL	<<locked>>	92%	44164	90%	**25	99%
[Winchester 760]*	<<locked>>	89%	43511	88%	**71	94%
[Winchester StaBALL HD]*	<<locked>>	96%	30589	62%	**70	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	38348	78%	**93	96%
[Accurate 2700]*	<<locked>>	81%	37144	75%	**05	90%
[Accurate 3100]*	<<locked>>	93%	31401	64%	**98	90%
Accurate 4064	<<locked>>	81%	39914	81%	**46	100%
[Accurate 4350]*	<<locked>>	81%	29066	59%	**49	92%
Alliant Reloder- TS 15.5	<<locked>>	81%	38305	78%	**23	98%
Alliant Reloder-15	<<locked>>	81%	41017	83%	**85	97%
[Alliant Reloder-16]*	<<locked>>	81%	29863	61%	**56	91%
Alliant Reloder-17	<<locked>>	81%	32953	67%	**77	95%
[Alliant Reloder-23]*	<<locked>>	86%	25498	52%	**44	90%
[Alliant Reloder-26]*	<<locked>>	91%	31372	64%	**74	90%
Hodgdon CFE223	<<locked>>	81%	39204	80%	**82	96%
Hodgdon H380	<<locked>>	81%	38522	78%	**20	95%
[Hodgdon H414]*	<<locked>>	82%	34476	70%	**67	90%
[Hodgdon H4350]*	<<locked>>	89%	36535	74%	**57	90%
[Hodgdon Hybrid 100V]*	<<locked>>	81%	27369	55%	**67	93%
[Hodgdon LVR]*	<<locked>>	81%	32372	66%	**08	92%
[Hodgdon Superperformance]*	<<locked>>	87%	37144	75%	**39	90%
Hodgdon VARGET	<<locked>>	81%	37840	77%	**80	96%
IMR 3031	<<locked>>	81%	41249	84%	**92	100%
IMR 4064	<<locked>>	81%	37971	77%	**74	96%
[IMR 4166 Enduron]*	<<locked>>	81%	37710	76%	**31	92%
[IMR 4350]*	<<locked>>	87%	36172	73%	**44	90%
[IMR 4451 Enduron]*	<<locked>>	81%	35984	73%	**21	91%
[IMR 4831]*	<<locked>>	82%	27122	55%	**77	90%
Lovex S062	<<locked>>	81%	40480	82%	**43	99%
[Lovex S065]*	<<locked>>	81%	33446	68%	**75	92%
[Lovex S070]*	<<locked>>	83%	33605	68%	**95	90%
Norma 203B	<<locked>>	81%	40205	82%	**69	98%
[Norma URP]*	<<locked>>	81%	29791	60%	**56	92%
Ramshot Big Game	<<locked>>	81%	39392	80%	**72	97%
[Ramshot Hunter]*	<<locked>>	85%	32648	66%	**21	90%
ReloadSwiss RS 14	<<locked>>	90%	31560	64%	**57	100%
[ReloadSwiss RS 50]*	<<locked>>	81%	39030	79%	**07	93%
ReloadSwiss RS 52	<<locked>>	81%	38798	79%	**82	99%
ReloadSwiss RS 60	<<locked>>	81%	32271	65%	**61	96%
[ReloadSwiss RS 62]*	<<locked>>	81%	29109	59%	**56	91%
[ReloadSwiss RS 70]*	<<locked>>	84%	32082	65%	**28	90%
Rottweil R 903	<<locked>>	81%	35766	73%	**77	97%
[Rottweil R 907]*	<<locked>>	82%	35824	73%	**18	90%
SNPE Vectan SP 11	<<locked>>	81%	36274	74%	**10	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	38101	77%	**25	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	82%	33576	68%	**46	90%
[Shooters World Long Rifle]*	<<locked>>	81%	33446	68%	**75	92%
Shooters World Precision	<<locked>>	81%	40480	82%	**43	99%
Somchem S355	<<locked>>	81%	36579	74%	**80	97%
[Somchem S365]*	<<locked>>	81%	26600	54%	**00	94%
[Somchem S385]*	<<locked>>	94%	36680	74%	**03	90%
Vihtavuori N135	<<locked>>	81%	35520	72%	**25	100%
Vihtavuori N150	<<locked>>	81%	31212	63%	**29	97%
[Vihtavuori N160]*	<<locked>>	81%	32024	65%	**85	93%
Vihtavuori N540	<<locked>>	81%	41147	83%	**52	100%
[Vihtavuori N550]*	<<locked>>	81%	32387	66%	**25	93%
[Vihtavuori N555]*	<<locked>>	86%	26469	54%	**10	90%
Winchester 6.5 StaBALL	<<locked>>	81%	30879	63%	**36	95%
[Winchester 760]*	<<locked>>	82%	34476	70%	**67	90%
[Winchester StaBALL HD]*	<<locked>>	92%	27064	55%	**39	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.