Load data for .243 Ackley Improved + .243 | 71gr | Berger BT Target

Recommended Powder(s): Alliant Reloder-17, ReloadSwiss RS 52, ReloadSwiss RS 60, Rottweil R 903, Somchem S355

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 71gr \| Berger BT Target
Bullet Weight:	71gr \| 4.6g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	0.908" \| 23.1mm
Caliber:	.243 Ackley Improved load data
Case Length (l3):	2.045" \| 51.9mm
Cartridge Length (C.O.L.):	2.458" \| 62.4mm
Seated Depth:	0.495" \| 12.6mm
Shank Seated Depth:	0.395" \| 10.0mm
Case Capacity:	57.0 Grains of Water \| 3.70 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	55259 psi \| 3810 bar
LID:	LID_B936_C1011
Last updated:	2025-01-01
Recommended Twist Rate:	1:11 - 1:9

Load data for 146 loads in caliber .243 Ackley Improved with .243 | 71gr | Berger BT Target bullet and 73 powders such as Alliant Reloder-17, 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".

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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.
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 2206H	<<locked>>	84%	48878	88%	**37	98%
ADI AR 2208	<<locked>>	90%	49501	90%	**20	98%
Accurate 2495	<<locked>>	84%	49414	89%	**23	100%
[Accurate 2700]*	<<locked>>	90%	49269	89%	**25	93%
Accurate 4064	<<locked>>	89%	49617	90%	**40	100%
Accurate 4350	<<locked>>	96%	48254	87%	**69	97%
Alliant AR-Comp	<<locked>>	83%	49226	89%	**14	100%
Alliant Reloder- TS 15.5	<<locked>>	89%	48805	88%	**37	99%
Alliant Reloder-15	<<locked>>	87%	49182	89%	**60	98%
Alliant Reloder-16	<<locked>>	96%	47021	85%	**76	97%
Alliant Reloder-17 👍	<<locked>>	94%	49342	89%	**51	99%
[Alliant Reloder-23]*	<<locked>>	97%	34156	62%	**45	94%
Baschieri & Pellagri 107	<<locked>>	85%	49298	89%	**53	97%
Hodgdon CFE223	<<locked>>	88%	49559	90%	**92	97%
Hodgdon H380	<<locked>>	89%	48965	89%	**23	96%
[Hodgdon H414]*	<<locked>>	92%	48936	89%	**79	94%
[Hodgdon H4350]*	<<locked>>	97%	46369	84%	**48	92%
Hodgdon Hybrid 100V	<<locked>>	96%	43337	78%	**32	97%
Hodgdon LVR	<<locked>>	95%	48994	89%	**66	96%
[Hodgdon Superperformance]*	<<locked>>	95%	49676	90%	**02	93%
Hodgdon VARGET	<<locked>>	90%	48921	89%	**07	98%
Hodgdon TrailBoss	<<locked>>	97%	33576	61%	**56	100%
IMR 3031	<<locked>>	87%	49226	89%	**60	100%
IMR 4064	<<locked>>	90%	48762	88%	**07	98%
[IMR 4166 Enduron]*	<<locked>>	91%	49327	89%	**74	94%
[IMR 4350]*	<<locked>>	97%	48733	88%	**01	93%
[IMR 4451 Enduron]*	<<locked>>	92%	49008	89%	**84	94%
IMR 4831	<<locked>>	97%	41162	74%	**89	95%
IMR 4895	<<locked>>	87%	49211	89%	**69	98%
Lovex D073.6	<<locked>>	85%	49226	89%	**37	100%
Lovex S060	<<locked>>	84%	49356	89%	**78	98%
Lovex S062	<<locked>>	88%	48733	88%	**14	99%
Lovex S065	<<locked>>	94%	48979	89%	**01	96%
[Lovex S070]*	<<locked>>	96%	49676	90%	**30	94%
Norma 201	<<locked>>	85%	49284	89%	**14	99%
Norma 202	<<locked>>	85%	49371	89%	**14	100%
Norma 203B	<<locked>>	88%	49429	89%	**66	98%
Norma URP	<<locked>>	97%	48457	88%	**79	97%
Ramshot Big Game	<<locked>>	88%	49371	89%	**73	98%
Ramshot Hunter	<<locked>>	97%	47819	87%	**50	95%
Ramshot Wild Boar	<<locked>>	83%	49690	90%	**43	98%
ReloadSwiss RS 14	<<locked>>	96%	33489	61%	**95	100%
ReloadSwiss RS 50	<<locked>>	88%	48892	88%	**91	95%
ReloadSwiss RS 52 👍	<<locked>>	88%	48907	88%	**76	99%
ReloadSwiss RS 60 👍	<<locked>>	94%	49081	89%	**61	99%
ReloadSwiss RS 62	<<locked>>	96%	48037	87%	**79	97%
ReloadSwiss RS 70	<<locked>>	96%	48066	87%	**96	96%
Rottweil R 902	<<locked>>	87%	49197	89%	**01	99%
Rottweil R 903 👍	<<locked>>	92%	49313	89%	**43	99%
[Rottweil R 907]*	<<locked>>	93%	48965	89%	**78	93%
SNPE Vectan SP 11	<<locked>>	91%	49371	89%	**73	98%
SNPE Vectan SP 7	<<locked>>	84%	48863	88%	**97	96%
SNPE Vectan SP 9	<<locked>>	85%	48791	88%	**23	98%
SNPE Vectan Tubal 3000	<<locked>>	84%	48805	88%	**28	100%
SNPE Vectan Tubal 5000	<<locked>>	90%	49356	89%	**28	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	94%	48733	88%	**32	94%
Shooters World Long Rifle	<<locked>>	94%	48979	89%	**01	96%
Shooters World Match Rifle	<<locked>>	85%	49226	89%	**37	100%
Shooters World Precision	<<locked>>	88%	48733	88%	**14	99%
Somchem S335	<<locked>>	84%	49255	89%	**45	100%
Somchem S341	<<locked>>	84%	49226	89%	**17	98%
Somchem S355 👍	<<locked>>	91%	48675	88%	**23	99%
Somchem S365	<<locked>>	97%	43076	78%	**07	99%
Vihtavuori N133	<<locked>>	87%	49705	90%	**38	100%
Vihtavuori N135	<<locked>>	92%	48834	88%	**78	100%
Vihtavuori N140	<<locked>>	87%	49472	90%	**91	100%
Vihtavuori N150	<<locked>>	97%	49603	90%	**04	100%
Vihtavuori N160	<<locked>>	95%	49342	89%	**37	97%
Vihtavuori N540	<<locked>>	87%	48733	88%	**04	100%
Vihtavuori N550	<<locked>>	94%	49603	90%	**96	97%
[Vihtavuori N555]*	<<locked>>	96%	35853	65%	**10	93%
Winchester 6.5 StaBALL	<<locked>>	95%	49255	89%	**14	99%
[Winchester 760]*	<<locked>>	92%	48936	89%	**79	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	43976	80%	**22	97%
[ADI AR 2208]*	<<locked>>	81%	37434	68%	**41	94%
Accurate 2495	<<locked>>	81%	45237	82%	**45	100%
[Accurate 2700]*	<<locked>>	85%	41655	75%	**68	90%
Accurate 4064	<<locked>>	81%	38087	69%	**94	99%
[Accurate 4350]*	<<locked>>	85%	31589	57%	**53	90%
Alliant AR-Comp	<<locked>>	81%	45934	83%	**58	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	36927	67%	**58	96%
Alliant Reloder-15	<<locked>>	81%	39682	72%	**33	95%
[Alliant Reloder-16]*	<<locked>>	85%	32634	59%	**69	90%
[Alliant Reloder-17]*	<<locked>>	81%	32213	58%	**95	93%
[Alliant Reloder-23]*	<<locked>>	92%	29385	53%	**84	90%
Baschieri & Pellagri 107	<<locked>>	81%	43395	79%	**15	96%
[Hodgdon CFE223]*	<<locked>>	81%	38363	69%	**27	94%
[Hodgdon H380]*	<<locked>>	81%	37710	68%	**64	93%
[Hodgdon H414]*	<<locked>>	86%	39392	71%	**56	90%
[Hodgdon H4350]*	<<locked>>	93%	40959	74%	**23	90%
[Hodgdon Hybrid 100V]*	<<locked>>	83%	27920	51%	**92	90%
[Hodgdon LVR]*	<<locked>>	83%	33736	61%	**89	90%
[Hodgdon Superperformance]*	<<locked>>	90%	41858	76%	**05	90%
[Hodgdon VARGET]*	<<locked>>	81%	37086	67%	**31	94%
Hodgdon TrailBoss	<<locked>>	81%	26614	48%	**78	100%
IMR 3031	<<locked>>	81%	39914	72%	**73	100%
[IMR 4064]*	<<locked>>	81%	36753	67%	**15	94%
[IMR 4166 Enduron]*	<<locked>>	83%	39146	71%	**28	90%
[IMR 4350]*	<<locked>>	91%	41075	74%	**20	90%
[IMR 4451 Enduron]*	<<locked>>	85%	39682	72%	**77	90%
[IMR 4831]*	<<locked>>	88%	30719	56%	**04	90%
IMR 4895	<<locked>>	81%	40567	73%	**76	96%
Lovex D073.6	<<locked>>	81%	43192	78%	**05	99%
Lovex S060	<<locked>>	81%	44498	81%	**73	97%
Lovex S062	<<locked>>	81%	39378	71%	**97	97%
[Lovex S065]*	<<locked>>	84%	35070	63%	**63	90%
[Lovex S070]*	<<locked>>	88%	38595	70%	**74	90%
Norma 201	<<locked>>	81%	43308	78%	**76	98%
Norma 202	<<locked>>	81%	43395	79%	**96	100%
Norma 203B	<<locked>>	81%	38943	70%	**27	96%
[Norma URP]*	<<locked>>	84%	31865	58%	**53	90%
Ramshot Big Game	<<locked>>	81%	38914	70%	**40	95%
[Ramshot Hunter]*	<<locked>>	89%	37115	67%	**87	90%
Ramshot Wild Boar	<<locked>>	81%	45571	82%	**68	97%
ReloadSwiss RS 14	<<locked>>	81%	26614	48%	**18	100%
[ReloadSwiss RS 50]*	<<locked>>	81%	37956	69%	**31	91%
ReloadSwiss RS 52	<<locked>>	81%	38159	69%	**36	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	31372	57%	**66	93%
[ReloadSwiss RS 62]*	<<locked>>	85%	32256	58%	**82	90%
[ReloadSwiss RS 70]*	<<locked>>	88%	35911	65%	**71	90%
Rottweil R 902	<<locked>>	81%	41437	75%	**30	98%
Rottweil R 903	<<locked>>	81%	34360	62%	**95	95%
[Rottweil R 907]*	<<locked>>	88%	41292	75%	**07	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	35621	64%	**48	94%
SNPE Vectan SP 7	<<locked>>	81%	44802	81%	**12	95%
SNPE Vectan SP 9	<<locked>>	81%	43018	78%	**99	97%
SNPE Vectan Tubal 3000	<<locked>>	81%	44889	81%	**50	100%
SNPE Vectan Tubal 5000	<<locked>>	81%	37057	67%	**76	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	87%	38058	69%	**99	90%
[Shooters World Long Rifle]*	<<locked>>	84%	35070	63%	**63	90%
Shooters World Match Rifle	<<locked>>	81%	43192	78%	**05	99%
Shooters World Precision	<<locked>>	81%	39378	71%	**97	97%
Somchem S335	<<locked>>	81%	44237	80%	**40	100%
Somchem S341	<<locked>>	81%	44135	80%	**05	97%
Somchem S355	<<locked>>	81%	35244	64%	**05	95%
[Somchem S365]*	<<locked>>	82%	26063	47%	**82	91%
Vihtavuori N133	<<locked>>	81%	41858	76%	**84	100%
Vihtavuori N135	<<locked>>	81%	33968	61%	**56	99%
Vihtavuori N140	<<locked>>	81%	40741	74%	**07	99%
[Vihtavuori N150]*	<<locked>>	81%	29733	54%	**25	94%
[Vihtavuori N160]*	<<locked>>	82%	31821	58%	**10	90%
Vihtavuori N540	<<locked>>	81%	40335	73%	**17	99%
[Vihtavuori N550]*	<<locked>>	82%	32126	58%	**59	90%
[Vihtavuori N555]*	<<locked>>	91%	30168	55%	**40	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	29994	54%	**08	92%
[Winchester 760]*	<<locked>>	86%	39392	71%	**56	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