Load data for 6 x 52 R Bretschneider + .243 | 70gr | Sierra HPBT MatchKing

Recommended Powder(s): Accurate 2015, Accurate 2495, Alliant AR-Comp, Alliant Reloder-10x

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 70gr \| Sierra HPBT MatchKing
Manufacturer SKU:	1505
Bullet Weight:	70gr \| 4.5g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	0.830" \| 21.1mm
Caliber:	6 x 52 R Bretschneider load data
Case Length (l3):	2.040" \| 51.8mm
Cartridge Length (C.O.L.):	2.522" \| 64.0mm
Seated Depth:	0.348" \| 8.8mm
Shank Seated Depth:	0.259" \| 6.6mm
Case Capacity:	36.2 Grains of Water \| 2.35 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B5767_C965
Last updated:	2025-01-01
Recommended Twist Rate:	1:12 - 1:10

Load data for 98 loads in caliber 6 x 52 R Bretschneider with .243 | 70gr | Sierra HPBT MatchKing bullet and 49 powders such as Accurate 2015, Accurate 2495, Alliant AR-Comp, Alliant Reloder-10x. 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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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>>	95%	42888	90%	**53	92%
ADI AR 2219	<<locked>>	86%	42250	88%	**59	97%
Accurate 2015 👍	<<locked>>	92%	43047	90%	**30	99%
[Accurate 2230]*	<<locked>>	90%	43033	90%	**10	93%
Accurate 2460	<<locked>>	90%	42801	89%	**27	95%
Accurate 2495 👍	<<locked>>	96%	40828	85%	**86	99%
Accurate 2520	<<locked>>	95%	42076	88%	**72	96%
[Accurate 4064]*	<<locked>>	96%	33663	70%	**02	94%
Alliant AR-Comp 👍	<<locked>>	95%	42018	88%	**05	100%
Alliant Reloder-10x 👍	<<locked>>	89%	42960	90%	**49	100%
Baschieri & Pellagri 106	<<locked>>	86%	42946	90%	**48	98%
[Hodgdon BL-C2]*	<<locked>>	94%	41785	87%	**63	93%
[Hodgdon Benchmark]*	<<locked>>	91%	42250	88%	**71	94%
Hodgdon H322	<<locked>>	92%	42946	90%	**69	98%
Hodgdon H335	<<locked>>	87%	42351	88%	**49	96%
Hodgdon H4198	<<locked>>	83%	42757	89%	**58	97%
Hodgdon TrailBoss	<<locked>>	94%	29559	62%	**47	100%
IMR 3031	<<locked>>	97%	38101	80%	**30	97%
IMR 4198	<<locked>>	87%	42264	88%	**94	100%
[IMR 8208 XBR]*	<<locked>>	93%	42772	89%	**27	93%
[Lovex D073.4]*	<<locked>>	88%	41785	87%	**97	94%
[Lovex D073.5]*	<<locked>>	89%	41785	87%	**10	94%
Lovex D073.6	<<locked>>	96%	40785	85%	**49	95%
[Lovex S060]*	<<locked>>	94%	42757	89%	**67	92%
[Lovex S062]*	<<locked>>	96%	37434	78%	**28	92%
Norma 200	<<locked>>	84%	42467	89%	**23	100%
[Norma 201]*	<<locked>>	96%	42409	89%	**20	93%
Norma 202	<<locked>>	96%	42061	88%	**53	96%
ReloadSwiss RS 14	<<locked>>	97%	30748	64%	**19	100%
ReloadSwiss RS 40	<<locked>>	89%	42482	89%	**33	95%
Rottweil R 901	<<locked>>	93%	42395	89%	**20	96%
[Rottweil R 902]*	<<locked>>	96%	40451	85%	**67	93%
SNPE Vectan SP 10	<<locked>>	86%	42960	90%	**59	96%
SNPE Vectan Tubal 3000	<<locked>>	93%	41945	88%	**51	96%
SNPE Vectan Tubal 5000	<<locked>>	97%	37159	78%	**62	96%
Shooters World Match Rifle	<<locked>>	96%	40785	85%	**49	95%
[Shooters World Precision]*	<<locked>>	96%	37434	78%	**28	92%
[Shooters World Tactical Rifle]*	<<locked>>	87%	42351	88%	**67	93%
[Somchem S321]*	<<locked>>	91%	42148	88%	**40	94%
Somchem S335	<<locked>>	95%	42728	89%	**90	97%
Vihtavuori N120	<<locked>>	85%	42235	88%	**51	100%
Vihtavuori N130	<<locked>>	90%	41901	88%	**67	99%
Vihtavuori N133	<<locked>>	97%	42525	89%	**87	99%
Vihtavuori N135	<<locked>>	96%	31415	66%	**07	95%
Vihtavuori N140	<<locked>>	97%	40350	84%	**87	96%
[Vihtavuori N530]*	<<locked>>	91%	42380	89%	**36	94%
Vihtavuori N540	<<locked>>	96%	39900	83%	**00	96%
[Winchester 748]*	<<locked>>	92%	42221	88%	**69	94%
[Winchester StaBALL Match]*	<<locked>>	89%	41959	88%	**40	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	92%	38870	81%	**61	90%
ADI AR 2219	<<locked>>	81%	35592	74%	**99	95%
Accurate 2015	<<locked>>	81%	30284	63%	**38	96%
[Accurate 2230]*	<<locked>>	85%	36405	76%	**69	90%
[Accurate 2460]*	<<locked>>	81%	31212	65%	**61	90%
[Accurate 2495]*	<<locked>>	81%	24308	51%	**39	92%
[Accurate 2520]*	<<locked>>	85%	29675	62%	**67	90%
[Accurate 4064]*	<<locked>>	89%	26353	55%	**98	90%
Alliant AR-Comp	<<locked>>	81%	26861	56%	**12	97%
Alliant Reloder-10x	<<locked>>	81%	33634	70%	**40	98%
Baschieri & Pellagri 106	<<locked>>	81%	36535	76%	**17	96%
[Hodgdon BL-C2]*	<<locked>>	89%	35375	74%	**15	90%
[Hodgdon Benchmark]*	<<locked>>	82%	32590	68%	**38	90%
[Hodgdon H322]*	<<locked>>	81%	30501	64%	**64	93%
[Hodgdon H335]*	<<locked>>	81%	34751	73%	**82	94%
Hodgdon H4198	<<locked>>	81%	40045	84%	**95	96%
Hodgdon TrailBoss	<<locked>>	82%	24395	51%	**26	100%
[IMR 3031]*	<<locked>>	83%	25280	53%	**49	91%
IMR 4198	<<locked>>	81%	35636	74%	**49	99%
[IMR 8208 XBR]*	<<locked>>	87%	35157	73%	**53	90%
[Lovex D073.4]*	<<locked>>	81%	32721	68%	**90	91%
[Lovex D073.5]*	<<locked>>	82%	32039	67%	**80	90%
[Lovex D073.6]*	<<locked>>	87%	29675	62%	**67	90%
[Lovex S060]*	<<locked>>	91%	38928	81%	**82	90%
[Lovex S062]*	<<locked>>	93%	33910	71%	**40	90%
Norma 200	<<locked>>	81%	38319	80%	**38	99%
[Norma 201]*	<<locked>>	90%	34766	73%	**43	90%
[Norma 202]*	<<locked>>	83%	28065	59%	**92	90%
ReloadSwiss RS 14	<<locked>>	82%	24279	51%	**65	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	32401	68%	**87	91%
[Rottweil R 901]*	<<locked>>	81%	29399	61%	**92	91%
[Rottweil R 902]*	<<locked>>	92%	35549	74%	**53	91%
[SNPE Vectan SP 10]*	<<locked>>	81%	36230	76%	**12	94%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	28674	60%	**26	91%
[SNPE Vectan Tubal 5000]*	<<locked>>	84%	25715	54%	**44	90%
[Shooters World Match Rifle]*	<<locked>>	87%	29675	62%	**67	90%
[Shooters World Precision]*	<<locked>>	93%	33910	71%	**40	90%
[Shooters World Tactical Rifle]*	<<locked>>	83%	36941	77%	**56	91%
[Somchem S321]*	<<locked>>	84%	33315	70%	**33	90%
[Somchem S335]*	<<locked>>	81%	27818	58%	**20	92%
Vihtavuori N120	<<locked>>	81%	38043	79%	**76	100%
Vihtavuori N130	<<locked>>	81%	31981	67%	**41	97%
[Vihtavuori N133]*	<<locked>>	81%	26440	55%	**87	93%
[Vihtavuori N135]*	<<locked>>	86%	23047	48%	**31	90%
[Vihtavuori N140]*	<<locked>>	84%	27079	57%	**39	90%
[Vihtavuori N530]*	<<locked>>	85%	34258	72%	**46	90%
[Vihtavuori N540]*	<<locked>>	86%	28645	60%	**05	90%
[Winchester 748]*	<<locked>>	85%	33678	70%	**59	91%
[Winchester StaBALL Match]*	<<locked>>	86%	38174	80%	**54	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