Load data for .243 Ackley Improved + .243 | 95gr | ShellHouse Castings SP Hard Cast

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, Somchem S365

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 95gr \| ShellHouse Castings SP Hard Cast
Bullet Weight:	95gr \| 6.2g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	<<locked>>
Caliber:	.243 Ackley Improved load data
Case Length (l3):	2.045" \| 51.9mm
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:	55259 psi \| 3810 bar
LID:	LID_B12263_C1011
Last updated:	2026-02-18

Load data for 148 loads in caliber .243 Ackley Improved with .243 | 95gr | ShellHouse Castings SP Hard Cast bullet and 74 powders such as Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
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C.O.L. (mm)
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.
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 2208	<<locked>>	85%	49327	89%	**53	100%
ADI AR 2209	<<locked>>	97%	49472	90%	**28	96%
Accurate 2700	<<locked>>	86%	48660	88%	**87	97%
Accurate 3100	<<locked>>	96%	40814	74%	**25	96%
Accurate 4064	<<locked>>	84%	48834	88%	**27	100%
Accurate 4350	<<locked>>	92%	48515	88%	**02	99%
Alliant Reloder- TS 15.5	<<locked>>	85%	49095	89%	**63	100%
Alliant Reloder-16 👍	<<locked>>	93%	49458	90%	**64	100%
Alliant Reloder-17	<<locked>>	89%	49530	90%	**84	100%
Alliant Reloder-19	<<locked>>	96%	47848	87%	**95	95%
[Alliant Reloder-22]*	<<locked>>	97%	42018	76%	**17	94%
Alliant Reloder-23	<<locked>>	96%	39276	71%	**67	99%
[Alliant Reloder-25]*	<<locked>>	97%	34853	63%	**62	94%
Alliant Reloder-26	<<locked>>	96%	44179	80%	**41	99%
[Bofors RP15]*	<<locked>>	96%	38203	69%	**28	92%
Bofors RP3	<<locked>>	85%	48588	88%	**66	100%
[Bofors RP5]*	<<locked>>	97%	42018	76%	**17	94%
Bofors RP7	<<locked>>	89%	49443	89%	**46	97%
Hodgdon CFE223	<<locked>>	84%	49371	89%	**18	99%
Hodgdon H380	<<locked>>	85%	49676	90%	**86	99%
Hodgdon H414	<<locked>>	87%	48776	88%	**18	97%
Hodgdon H4350	<<locked>>	94%	48675	88%	**49	97%
[Hodgdon H4831 SC]*	<<locked>>	97%	45832	83%	**17	92%
Hodgdon Hybrid 100V	<<locked>>	95%	48689	88%	**72	100%
Hodgdon LVR 👍	<<locked>>	90%	48979	89%	**05	99%
Hodgdon Superperformance	<<locked>>	91%	49603	90%	**58	97%
Hodgdon VARGET	<<locked>>	85%	48849	88%	**43	100%
Hodgdon TrailBoss	<<locked>>	97%	34127	62%	**83	100%
IMR 4064	<<locked>>	86%	49037	89%	**40	100%
IMR 4166 Enduron	<<locked>>	86%	49284	89%	**20	97%
IMR 4350	<<locked>>	92%	49008	89%	**59	97%
IMR 4451 Enduron	<<locked>>	88%	49501	90%	**49	97%
IMR 4831	<<locked>>	97%	48878	88%	**92	99%
[IMR 4955 Enduron]*	<<locked>>	97%	45774	83%	**90	93%
[IMR 7828 SSC]*	<<locked>>	96%	44222	80%	**43	92%
Lovex S062	<<locked>>	84%	49037	89%	**40	100%
Lovex S065	<<locked>>	90%	49705	90%	**63	99%
Lovex S070	<<locked>>	91%	48675	88%	**56	97%
[Lovex S071]*	<<locked>>	96%	33504	61%	**57	94%
Norma 203B	<<locked>>	84%	49705	90%	**92	100%
Norma 204	<<locked>>	92%	49023	89%	**92	95%
Norma MRP	<<locked>>	97%	44614	81%	**09	96%
Norma URP 👍	<<locked>>	92%	49371	89%	**18	99%
[Ramshot Grand]*	<<locked>>	97%	47819	87%	**38	94%
Ramshot Hunter	<<locked>>	93%	48863	88%	**22	98%
[Ramshot Magnum]*	<<locked>>	97%	40625	74%	**58	94%
ReloadSwiss RS 14	<<locked>>	97%	34635	63%	**26	100%
ReloadSwiss RS 50	<<locked>>	85%	49661	90%	**56	98%
ReloadSwiss RS 60	<<locked>>	87%	49313	89%	**74	100%
ReloadSwiss RS 62 👍	<<locked>>	92%	48617	88%	**35	99%
ReloadSwiss RS 70	<<locked>>	92%	49168	89%	**77	99%
Rottweil R 903	<<locked>>	87%	49037	89%	**63	100%
[Rottweil R 904]*	<<locked>>	96%	49284	89%	**63	94%
Rottweil R 905	<<locked>>	96%	46630	84%	**69	95%
Rottweil R 907	<<locked>>	89%	49443	89%	**46	97%
SNPE Vectan SP 11	<<locked>>	86%	48820	88%	**92	100%
SNPE Vectan Tubal 5000	<<locked>>	86%	49371	89%	**44	100%
SNPE Vectan Tubal 7000	<<locked>>	90%	49313	89%	**04	97%
Shooters World Long Rifle	<<locked>>	90%	49705	90%	**63	99%
Shooters World Precision	<<locked>>	84%	49037	89%	**40	100%
Somchem S355	<<locked>>	87%	49501	90%	**69	100%
[Somchem S361]*	<<locked>>	95%	49400	89%	**27	93%
Somchem S365 👍	<<locked>>	95%	48762	88%	**35	100%
Somchem S385	<<locked>>	97%	47558	86%	**59	96%
Vihtavuori N135	<<locked>>	88%	48689	88%	**81	100%
Vihtavuori N150	<<locked>>	92%	48834	88%	**13	100%
Vihtavuori N160	<<locked>>	90%	49168	89%	**79	99%
[Vihtavuori N165]*	<<locked>>	96%	39131	71%	**69	93%
Vihtavuori N550	<<locked>>	89%	49182	89%	**12	99%
Vihtavuori N555	<<locked>>	97%	43830	79%	**53	99%
Winchester 6.5 StaBALL	<<locked>>	91%	48805	88%	**49	100%
Winchester 760	<<locked>>	87%	48776	88%	**18	97%
Winchester StaBALL HD	<<locked>>	97%	32082	58%	**74	99%
Winchester Supreme 780	<<locked>>	97%	49705	90%	**86	96%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2208	<<locked>>	81%	43105	78%	**28	99%
[ADI AR 2209]*	<<locked>>	88%	36027	65%	**17	90%
[Accurate 2700]*	<<locked>>	81%	40843	74%	**26	94%
[Accurate 3100]*	<<locked>>	86%	27543	50%	**90	90%
Accurate 4064	<<locked>>	81%	43482	79%	**41	100%
Accurate 4350	<<locked>>	81%	32750	59%	**61	95%
Alliant Reloder- TS 15.5	<<locked>>	81%	42844	78%	**51	100%
Alliant Reloder-16	<<locked>>	81%	32866	59%	**77	95%
Alliant Reloder-17	<<locked>>	81%	37463	68%	**28	99%
[Alliant Reloder-19]*	<<locked>>	87%	34925	63%	**00	90%
[Alliant Reloder-22]*	<<locked>>	91%	35056	63%	**46	90%
[Alliant Reloder-23]*	<<locked>>	81%	23177	42%	**75	91%
[Alliant Reloder-25]*	<<locked>>	92%	29254	53%	**85	91%
[Alliant Reloder-26]*	<<locked>>	83%	27021	49%	**59	90%
[Bofors RP15]*	<<locked>>	94%	34925	63%	**36	90%
Bofors RP3	<<locked>>	81%	42293	77%	**38	100%
[Bofors RP5]*	<<locked>>	91%	35056	63%	**46	90%
[Bofors RP7]*	<<locked>>	81%	37855	69%	**03	93%
Hodgdon CFE223	<<locked>>	81%	45165	82%	**36	99%
Hodgdon H380	<<locked>>	81%	43395	79%	**58	98%
[Hodgdon H414]*	<<locked>>	81%	38769	70%	**08	94%
[Hodgdon H4350]*	<<locked>>	81%	31821	58%	**69	90%
[Hodgdon H4831 SC]*	<<locked>>	93%	40872	74%	**12	90%
Hodgdon Hybrid 100V	<<locked>>	81%	30284	55%	**69	96%
Hodgdon LVR	<<locked>>	81%	36230	66%	**33	96%
[Hodgdon Superperformance]*	<<locked>>	81%	34548	63%	**20	92%
Hodgdon VARGET	<<locked>>	81%	42670	77%	**15	99%
Hodgdon TrailBoss	<<locked>>	81%	26890	49%	**19	100%
IMR 4064	<<locked>>	81%	41829	76%	**95	99%
IMR 4166 Enduron	<<locked>>	81%	41321	75%	**56	95%
[IMR 4350]*	<<locked>>	81%	33634	61%	**15	91%
IMR 4451 Enduron	<<locked>>	81%	39769	72%	**49	95%
[IMR 4831]*	<<locked>>	81%	28442	51%	**20	93%
[IMR 4955 Enduron]*	<<locked>>	93%	40074	73%	**59	90%
[IMR 7828 SSC]*	<<locked>>	94%	40321	73%	**54	90%
Lovex S062	<<locked>>	81%	44831	81%	**61	100%
Lovex S065	<<locked>>	81%	36477	66%	**77	95%
[Lovex S070]*	<<locked>>	81%	34766	63%	**54	93%
[Lovex S071]*	<<locked>>	91%	27543	50%	**90	90%
Norma 203B	<<locked>>	81%	45455	82%	**04	100%
[Norma 204]*	<<locked>>	83%	35592	64%	**97	90%
[Norma MRP]*	<<locked>>	87%	31589	57%	**74	90%
Norma URP	<<locked>>	81%	33156	60%	**67	95%
[Ramshot Grand]*	<<locked>>	92%	39494	71%	**44	90%
[Ramshot Hunter]*	<<locked>>	81%	32430	59%	**41	93%
[Ramshot Magnum]*	<<locked>>	92%	34316	62%	**90	90%
ReloadSwiss RS 14	<<locked>>	81%	27383	50%	**65	100%
ReloadSwiss RS 50	<<locked>>	81%	43584	79%	**38	97%
ReloadSwiss RS 60	<<locked>>	81%	39987	72%	**00	100%
ReloadSwiss RS 62	<<locked>>	81%	32547	59%	**74	95%
[ReloadSwiss RS 70]*	<<locked>>	81%	32692	59%	**87	94%
Rottweil R 903	<<locked>>	81%	39813	72%	**82	99%
[Rottweil R 904]*	<<locked>>	88%	38392	69%	**36	90%
[Rottweil R 905]*	<<locked>>	88%	34301	62%	**94	90%
[Rottweil R 907]*	<<locked>>	81%	37855	69%	**03	93%
SNPE Vectan SP 11	<<locked>>	81%	41640	75%	**54	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	42032	76%	**20	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	81%	35752	65%	**15	93%
Shooters World Long Rifle	<<locked>>	81%	36477	66%	**77	95%
Shooters World Precision	<<locked>>	81%	44831	81%	**61	100%
Somchem S355	<<locked>>	81%	40408	73%	**92	99%
[Somchem S361]*	<<locked>>	89%	40422	73%	**46	90%
Somchem S365	<<locked>>	81%	29399	53%	**05	97%
[Somchem S385]*	<<locked>>	85%	32111	58%	**08	90%
Vihtavuori N135	<<locked>>	81%	39450	71%	**20	100%
Vihtavuori N150	<<locked>>	81%	34490	62%	**28	99%
Vihtavuori N160	<<locked>>	81%	36361	66%	**13	96%
[Vihtavuori N165]*	<<locked>>	92%	33315	60%	**25	90%
Vihtavuori N550	<<locked>>	81%	36651	66%	**49	96%
[Vihtavuori N555]*	<<locked>>	81%	25048	45%	**61	91%
Winchester 6.5 StaBALL	<<locked>>	81%	34229	62%	**41	98%
[Winchester 760]*	<<locked>>	81%	38769	70%	**08	94%
[Winchester StaBALL HD]*	<<locked>>	86%	23830	43%	**57	91%
[Winchester Supreme 780]*	<<locked>>	87%	34998	63%	**74	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.

<<locked>>... you need to buy an access license to unlock the data