Load data for 6 x 52 R Bretschneider + .243 | 80gr | Sierra SPBT BlitzKing

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 80gr \| Sierra SPBT BlitzKing
Manufacturer SKU:	1515
Bullet Weight:	80gr \| 5.2g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	0.890" \| 22.6mm
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:	0.408" \| 10.4mm
Shank Seated Depth:	0.278" \| 7.1mm
Case Capacity:	36.2 Grains of Water \| 2.35 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B5770_C965
Last updated:	2025-01-01
Recommended Twist Rate:	1:12 - 1:10

Load data for 120 loads in caliber 6 x 52 R Bretschneider with .243 | 80gr | Sierra SPBT BlitzKing bullet and 60 powder(s). 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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C.O.L. (mm)
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Min z (%)
Min FR (%)
Max FR*
Barrel Length (Inch)
Barrel Length (cm)
Safety Buffer (%)
.
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>>	92%	41800	87%	**72	93%
[ADI AR 2208]*	<<locked>>	96%	40770	85%	**20	92%
ADI AR 2219 👍	<<locked>>	83%	42177	88%	**85	99%
Accurate 2015	<<locked>>	89%	42917	90%	**59	100%
Accurate 2230	<<locked>>	87%	42670	89%	**46	95%
Accurate 2460	<<locked>>	87%	42163	88%	**59	96%
Accurate 2495 👍	<<locked>>	94%	42424	89%	**38	100%
Accurate 2520	<<locked>>	92%	42322	88%	**08	97%
Accurate 4064	<<locked>>	97%	39305	82%	**62	98%
Alliant AR-Comp 👍	<<locked>>	92%	42279	88%	**28	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	39450	82%	**46	94%
Alliant Reloder-10x	<<locked>>	85%	42598	89%	**66	100%
[Alliant Reloder-15]*	<<locked>>	96%	42105	88%	**89	93%
[Baschieri & Pellagri 107]*	<<locked>>	93%	42453	89%	**85	92%
Hodgdon BL-C2	<<locked>>	92%	42641	89%	**28	95%
Hodgdon Benchmark	<<locked>>	88%	42714	89%	**20	96%
Hodgdon H322 👍	<<locked>>	88%	42177	88%	**85	99%
Hodgdon H335	<<locked>>	84%	42540	89%	**89	98%
[Hodgdon VARGET]*	<<locked>>	96%	40770	85%	**20	92%
Hodgdon TrailBoss	<<locked>>	97%	31560	66%	**59	100%
IMR 3031 👍	<<locked>>	97%	42424	89%	**48	99%
[IMR 4064]*	<<locked>>	96%	39885	83%	**97	92%
IMR 4198	<<locked>>	83%	41466	87%	**03	100%
[IMR 4895]*	<<locked>>	96%	42801	89%	**28	94%
IMR 8208 XBR	<<locked>>	91%	43018	90%	**72	95%
Lovex D073.4	<<locked>>	85%	42003	88%	**43	96%
Lovex D073.5	<<locked>>	87%	42163	88%	**59	96%
Lovex D073.6	<<locked>>	94%	42322	88%	**08	97%
[Lovex S060]*	<<locked>>	91%	42612	89%	**07	93%
Lovex S062	<<locked>>	96%	41742	87%	**66	95%
Norma 201	<<locked>>	93%	41959	88%	**49	95%
Norma 202	<<locked>>	93%	41872	87%	**76	98%
[Norma 203B]*	<<locked>>	97%	42496	89%	**05	94%
[Ramshot Big Game]*	<<locked>>	96%	41742	87%	**85	92%
[Ramshot Wild Boar]*	<<locked>>	91%	41901	88%	**72	93%
[Ramshot X-Terminator]*	<<locked>>	87%	42018	88%	**17	93%
ReloadSwiss RS 14	<<locked>>	97%	31473	66%	**98	100%
ReloadSwiss RS 40	<<locked>>	86%	42308	88%	**59	97%
ReloadSwiss RS 52	<<locked>>	96%	40321	84%	**08	95%
Rottweil R 901	<<locked>>	90%	42409	89%	**53	98%
Rottweil R 902	<<locked>>	95%	42670	89%	**53	95%
[Rottweil R 903]*	<<locked>>	97%	35940	75%	**74	92%
[SNPE Vectan SP 9]*	<<locked>>	93%	42728	89%	**85	94%
SNPE Vectan Tubal 3000	<<locked>>	91%	42409	89%	**94	98%
SNPE Vectan Tubal 5000	<<locked>>	96%	40625	85%	**74	98%
Shooters World Match Rifle	<<locked>>	94%	42322	88%	**08	97%
Shooters World Precision	<<locked>>	96%	41742	87%	**66	95%
[Shooters World Tactical Rifle]*	<<locked>>	84%	42090	88%	**10	94%
Somchem S321	<<locked>>	88%	41698	87%	**66	95%
Somchem S335	<<locked>>	92%	42163	88%	**13	98%
[Somchem S341]*	<<locked>>	92%	41698	87%	**43	93%
[Somchem S355]*	<<locked>>	97%	37565	78%	**90	92%
Vihtavuori N130	<<locked>>	88%	43033	90%	**10	100%
Vihtavuori N133	<<locked>>	94%	42453	89%	**20	100%
Vihtavuori N135	<<locked>>	96%	34345	72%	**28	98%
Vihtavuori N140	<<locked>>	95%	41930	88%	**53	98%
Vihtavuori N530	<<locked>>	89%	42395	89%	**69	95%
Vihtavuori N540	<<locked>>	95%	42279	88%	**89	98%
Winchester 748	<<locked>>	89%	41901	88%	**08	96%
[Winchester StaBALL Match]*	<<locked>>	87%	42409	89%	**95	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	85%	34185	71%	**95	90%
[ADI AR 2208]*	<<locked>>	93%	36912	77%	**28	90%
ADI AR 2219	<<locked>>	81%	39276	82%	**26	98%
Accurate 2015	<<locked>>	81%	33707	70%	**66	98%
[Accurate 2230]*	<<locked>>	81%	34824	73%	**79	92%
[Accurate 2460]*	<<locked>>	81%	34447	72%	**85	94%
Accurate 2495	<<locked>>	81%	27296	57%	**80	96%
[Accurate 2520]*	<<locked>>	81%	28703	60%	**97	92%
[Accurate 4064]*	<<locked>>	81%	23003	48%	**36	90%
Alliant AR-Comp	<<locked>>	81%	29660	62%	**43	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	31183	65%	**46	90%
Alliant Reloder-10x	<<locked>>	81%	37188	78%	**51	99%
[Alliant Reloder-15]*	<<locked>>	92%	36550	76%	**71	90%
[Baschieri & Pellagri 107]*	<<locked>>	90%	38638	81%	**00	90%
[Hodgdon BL-C2]*	<<locked>>	83%	31415	66%	**66	91%
[Hodgdon Benchmark]*	<<locked>>	81%	33852	71%	**23	93%
Hodgdon H322	<<locked>>	81%	32982	69%	**75	96%
Hodgdon H335	<<locked>>	81%	38363	80%	**07	97%
[Hodgdon VARGET]*	<<locked>>	93%	36912	77%	**28	90%
Hodgdon TrailBoss	<<locked>>	84%	26107	55%	**40	100%
[IMR 3031]*	<<locked>>	81%	26179	55%	**31	94%
[IMR 4064]*	<<locked>>	93%	36042	75%	**12	90%
IMR 4198	<<locked>>	81%	38754	81%	**44	100%
[IMR 4895]*	<<locked>>	88%	33910	71%	**28	90%
[IMR 8208 XBR]*	<<locked>>	81%	31720	66%	**13	91%
[Lovex D073.4]*	<<locked>>	81%	36361	76%	**25	94%
[Lovex D073.5]*	<<locked>>	81%	34447	72%	**85	94%
[Lovex D073.6]*	<<locked>>	81%	26760	56%	**34	91%
[Lovex S060]*	<<locked>>	83%	33866	71%	**13	90%
[Lovex S062]*	<<locked>>	86%	29747	62%	**80	90%
[Norma 201]*	<<locked>>	83%	30850	64%	**93	91%
[Norma 202]*	<<locked>>	81%	28631	60%	**67	93%
[Norma 203B]*	<<locked>>	91%	34635	72%	**31	90%
[Ramshot Big Game]*	<<locked>>	92%	36695	77%	**71	90%
[Ramshot Wild Boar]*	<<locked>>	85%	34447	72%	**08	90%
[Ramshot X-Terminator]*	<<locked>>	82%	35723	75%	**75	90%
ReloadSwiss RS 14	<<locked>>	81%	24801	52%	**50	100%
ReloadSwiss RS 40	<<locked>>	81%	35737	75%	**18	95%
[ReloadSwiss RS 52]*	<<locked>>	88%	30850	64%	**62	91%
[Rottweil R 901]*	<<locked>>	81%	32213	67%	**20	94%
[Rottweil R 902]*	<<locked>>	84%	30472	64%	**74	90%
[Rottweil R 903]*	<<locked>>	94%	32213	67%	**82	90%
[SNPE Vectan SP 9]*	<<locked>>	87%	34983	73%	**12	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	30864	64%	**41	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25135	53%	**87	92%
[Shooters World Match Rifle]*	<<locked>>	81%	26760	56%	**34	91%
[Shooters World Precision]*	<<locked>>	86%	29747	62%	**80	90%
[Shooters World Tactical Rifle]*	<<locked>>	81%	38159	80%	**28	93%
[Somchem S321]*	<<locked>>	81%	33127	69%	**69	92%
Somchem S335	<<locked>>	81%	30298	63%	**44	95%
[Somchem S341]*	<<locked>>	87%	35288	74%	**98	90%
[Somchem S355]*	<<locked>>	93%	32706	68%	**75	90%
Vihtavuori N130	<<locked>>	81%	34969	73%	**52	99%
Vihtavuori N133	<<locked>>	81%	29022	61%	**15	96%
[Vihtavuori N135]*	<<locked>>	81%	21872	46%	**54	92%
[Vihtavuori N140]*	<<locked>>	81%	26992	56%	**88	92%
[Vihtavuori N530]*	<<locked>>	81%	33040	69%	**59	92%
[Vihtavuori N540]*	<<locked>>	81%	26324	55%	**88	91%
[Winchester 748]*	<<locked>>	81%	32169	67%	**79	92%
[Winchester StaBALL Match]*	<<locked>>	81%	34780	73%	**21	91%

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.