Load data for 6 x 52 R BB2 + .243 | 71gr | Berger BT M

Recommended Powder(s): Accurate 2495, Alliant AR-Comp, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 71gr \| Berger BT M
Bullet Weight:	71gr \| 4.6g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	0.938" \| 23.8mm
Caliber:	6 x 52 R BB2 load data
Case Length (l3):	2.040" \| 51.8mm
Cartridge Length (C.O.L.):	2.679" \| 68.1mm
Seated Depth:	0.299" \| 7.6mm
Shank Seated Depth:	0.199" \| 5.0mm
Case Capacity:	40.0 Grains of Water \| 2.60 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B937_C964
Last updated:	2025-02-02
Recommended Twist Rate:	1:10 - 1:9

Load data for 116 loads in caliber 6 x 52 R BB2 with .243 | 71gr | Berger BT M bullet and 58 powders such as Accurate 2495, Alliant AR-Comp, IMR 3031. 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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Min z (%)
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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 2206H]*	<<locked>>	90%	41916	88%	**89	93%
[ADI AR 2208]*	<<locked>>	96%	43047	90%	**76	92%
Accurate 2015	<<locked>>	87%	43033	90%	**76	100%
[Accurate 2230]*	<<locked>>	84%	41858	87%	**40	94%
Accurate 2460	<<locked>>	84%	41858	87%	**63	96%
Accurate 2495 👍	<<locked>>	91%	41771	87%	**25	100%
Accurate 2520	<<locked>>	90%	41945	88%	**09	97%
Accurate 4064	<<locked>>	97%	41771	87%	**28	98%
Alliant AR-Comp 👍	<<locked>>	90%	41727	87%	**38	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	41872	87%	**05	94%
Alliant Reloder-10x	<<locked>>	84%	42627	89%	**86	100%
[Alliant Reloder-15]*	<<locked>>	95%	42830	89%	**18	93%
Hodgdon BL-C2	<<locked>>	90%	42366	89%	**28	95%
Hodgdon Benchmark	<<locked>>	87%	42902	90%	**36	96%
Hodgdon H322	<<locked>>	87%	41814	87%	**89	98%
[Hodgdon VARGET]*	<<locked>>	96%	43047	90%	**76	92%
Hodgdon TrailBoss	<<locked>>	95%	30937	65%	**23	100%
IMR 3031 👍	<<locked>>	95%	42525	89%	**68	99%
[IMR 4064]*	<<locked>>	97%	42598	89%	**59	93%
IMR 4198	<<locked>>	83%	42859	90%	**49	100%
[IMR 4895]*	<<locked>>	94%	42583	89%	**31	94%
IMR 8208 XBR	<<locked>>	88%	42047	88%	**66	95%
Lovex D073.4	<<locked>>	84%	42308	88%	**59	96%
Lovex D073.5	<<locked>>	85%	42337	88%	**66	96%
Lovex D073.6	<<locked>>	92%	41945	88%	**09	97%
[Lovex S060]*	<<locked>>	90%	42975	90%	**33	94%
Lovex S062	<<locked>>	94%	41901	88%	**72	95%
Norma 201	<<locked>>	91%	42554	89%	**76	95%
Norma 202	<<locked>>	91%	42177	88%	**95	98%
[Norma 203B]*	<<locked>>	95%	42003	88%	**09	93%
[Ramshot Big Game]*	<<locked>>	95%	42888	90%	**18	93%
[Ramshot Wild Boar]*	<<locked>>	89%	42714	89%	**99	93%
[Ramshot X-Terminator]*	<<locked>>	85%	41989	88%	**27	93%
ReloadSwiss RS 14	<<locked>>	94%	30719	64%	**62	100%
ReloadSwiss RS 40	<<locked>>	85%	42366	89%	**79	97%
ReloadSwiss RS 52	<<locked>>	96%	42612	89%	**68	96%
Rottweil R 901	<<locked>>	88%	42815	89%	**72	98%
Rottweil R 902	<<locked>>	92%	41698	87%	**46	95%
[Rottweil R 903]*	<<locked>>	97%	38247	80%	**27	93%
[SNPE Vectan SP 11]*	<<locked>>	97%	41481	87%	**99	92%
[SNPE Vectan SP 9]*	<<locked>>	92%	42728	89%	**95	93%
SNPE Vectan Tubal 3000	<<locked>>	89%	42148	88%	**97	98%
SNPE Vectan Tubal 5000	<<locked>>	96%	42177	88%	**10	99%
Shooters World Match Rifle	<<locked>>	92%	41945	88%	**09	97%
Shooters World Precision	<<locked>>	94%	41901	88%	**72	95%
Somchem S321	<<locked>>	86%	42366	89%	**95	95%
Somchem S335	<<locked>>	90%	42699	89%	**33	98%
[Somchem S341]*	<<locked>>	90%	42844	90%	**72	93%
[Somchem S355]*	<<locked>>	97%	39856	83%	**46	93%
Vihtavuori N130	<<locked>>	86%	42801	89%	**27	100%
Vihtavuori N133	<<locked>>	92%	42235	88%	**27	99%
Vihtavuori N135	<<locked>>	96%	37217	78%	**87	98%
Vihtavuori N140	<<locked>>	93%	42119	88%	**72	98%
[Vihtavuori N150]*	<<locked>>	96%	33315	70%	**59	92%
Vihtavuori N530	<<locked>>	86%	41698	87%	**76	95%
Vihtavuori N540	<<locked>>	94%	42496	89%	**99	98%
Winchester 748	<<locked>>	87%	42148	88%	**28	96%
[Winchester StaBALL Match]*	<<locked>>	85%	42134	88%	**99	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	84%	35128	73%	**18	90%
[ADI AR 2208]*	<<locked>>	91%	37275	78%	**41	90%
Accurate 2015	<<locked>>	81%	35766	75%	**18	99%
[Accurate 2230]*	<<locked>>	81%	37202	78%	**38	92%
[Accurate 2460]*	<<locked>>	81%	37028	77%	**51	94%
Accurate 2495	<<locked>>	81%	29356	61%	**23	96%
[Accurate 2520]*	<<locked>>	81%	30922	65%	**40	93%
[Accurate 4064]*	<<locked>>	81%	24714	52%	**62	91%
Alliant AR-Comp	<<locked>>	81%	31531	66%	**92	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	88%	31981	67%	**62	90%
Alliant Reloder-10x	<<locked>>	81%	39001	81%	**07	100%
[Alliant Reloder-15]*	<<locked>>	90%	37057	77%	**87	90%
[Hodgdon BL-C2]*	<<locked>>	81%	31328	65%	**46	90%
[Hodgdon Benchmark]*	<<locked>>	81%	35926	75%	**72	93%
Hodgdon H322	<<locked>>	81%	34780	73%	**28	97%
[Hodgdon VARGET]*	<<locked>>	92%	37275	78%	**41	90%
Hodgdon TrailBoss	<<locked>>	81%	24990	52%	**78	100%
[IMR 3031]*	<<locked>>	81%	27586	58%	**67	94%
[IMR 4064]*	<<locked>>	92%	36738	77%	**28	90%
IMR 4198	<<locked>>	81%	40408	84%	**00	100%
[IMR 4895]*	<<locked>>	87%	34548	72%	**38	90%
[IMR 8208 XBR]*	<<locked>>	81%	33141	69%	**43	91%
Lovex D073.4	<<locked>>	81%	38740	81%	**81	95%
[Lovex D073.5]*	<<locked>>	81%	36579	76%	**35	94%
[Lovex D073.6]*	<<locked>>	81%	28848	60%	**84	92%
[Lovex S060]*	<<locked>>	83%	35201	74%	**43	90%
[Lovex S062]*	<<locked>>	85%	31053	65%	**03	90%
[Norma 201]*	<<locked>>	82%	31575	66%	**03	91%
[Norma 202]*	<<locked>>	81%	30255	63%	**00	93%
[Norma 203B]*	<<locked>>	89%	35157	73%	**41	90%
[Ramshot Big Game]*	<<locked>>	90%	37072	77%	**90	90%
[Ramshot Wild Boar]*	<<locked>>	84%	35897	75%	**41	91%
[Ramshot X-Terminator]*	<<locked>>	81%	36608	76%	**99	91%
ReloadSwiss RS 14	<<locked>>	81%	24932	52%	**21	100%
ReloadSwiss RS 40	<<locked>>	81%	37710	79%	**71	95%
[ReloadSwiss RS 52]*	<<locked>>	86%	30908	65%	**59	90%
Rottweil R 901	<<locked>>	81%	33910	71%	**59	95%
[Rottweil R 902]*	<<locked>>	83%	31038	65%	**77	90%
[Rottweil R 903]*	<<locked>>	92%	32721	68%	**85	90%
[SNPE Vectan SP 11]*	<<locked>>	93%	37115	78%	**97	91%
[SNPE Vectan SP 9]*	<<locked>>	85%	34722	73%	**02	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	32866	69%	**87	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	26585	56%	**20	93%
[Shooters World Match Rifle]*	<<locked>>	81%	28848	60%	**84	92%
[Shooters World Precision]*	<<locked>>	85%	31053	65%	**03	90%
[Somchem S321]*	<<locked>>	81%	35650	74%	**35	93%
Somchem S335	<<locked>>	81%	31966	67%	**77	95%
[Somchem S341]*	<<locked>>	85%	35824	75%	**12	90%
[Somchem S355]*	<<locked>>	91%	33344	70%	**82	90%
Vihtavuori N130	<<locked>>	81%	36825	77%	**99	99%
Vihtavuori N133	<<locked>>	81%	30313	63%	**41	97%
[Vihtavuori N135]*	<<locked>>	81%	23337	49%	**84	92%
[Vihtavuori N140]*	<<locked>>	81%	28529	60%	**31	93%
[Vihtavuori N150]*	<<locked>>	92%	29544	62%	**57	90%
[Vihtavuori N530]*	<<locked>>	81%	34621	72%	**05	92%
[Vihtavuori N540]*	<<locked>>	81%	28036	59%	**31	92%
[Winchester 748]*	<<locked>>	81%	34360	72%	**31	93%
[Winchester StaBALL Match]*	<<locked>>	81%	36463	76%	**64	92%

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.