Load data for 6 x 52 R BB2 + .243 | 70gr | Sierra Blitzking

Recommended Powder(s): Accurate 2495, Hodgdon H322, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 70gr \| Sierra Blitzking
Manufacturer SKU:	1507
Bullet Weight:	70gr \| 4.5g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	0.898" \| 22.8mm
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:	0.259" \| 6.6mm
Shank Seated Depth:	0.129" \| 3.3mm
Case Capacity:	40.0 Grains of Water \| 2.60 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B5766_C964
Last updated:	2025-01-01
Recommended Twist Rate:	1:11 - 1:9

Load data for 116 loads in caliber 6 x 52 R BB2 with .243 | 70gr | Sierra Blitzking bullet and 58 powders such as Accurate 2495, Hodgdon H322, 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".

Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric)
No data yet
C.O.L. (Inch)
C.O.L. (mm)
Case Length (Inch)
Case Length (mm)
CaseCapacity (GoW)
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>>	90%	42627	89%	**22	93%
[ADI AR 2208]*	<<locked>>	96%	42873	90%	**99	92%
Accurate 2015	<<locked>>	86%	42032	88%	**79	100%
[Accurate 2230]*	<<locked>>	84%	42554	89%	**72	94%
Accurate 2460	<<locked>>	85%	43047	90%	**09	96%
Accurate 2495 👍	<<locked>>	91%	42714	89%	**77	100%
Accurate 2520	<<locked>>	89%	41916	88%	**31	97%
Accurate 4064	<<locked>>	97%	42453	89%	**58	98%
Alliant AR-Comp	<<locked>>	89%	41800	87%	**58	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	42438	89%	**41	95%
Alliant Reloder-10x	<<locked>>	84%	42757	89%	**12	100%
[Alliant Reloder-15]*	<<locked>>	94%	42250	88%	**38	93%
[Baschieri & Pellagri 107]*	<<locked>>	91%	43004	90%	**28	92%
Hodgdon BL-C2	<<locked>>	89%	42061	88%	**45	95%
Hodgdon Benchmark	<<locked>>	87%	42786	89%	**63	96%
Hodgdon H322 👍	<<locked>>	86%	42148	88%	**28	99%
[Hodgdon VARGET]*	<<locked>>	96%	42873	90%	**99	92%
Hodgdon TrailBoss	<<locked>>	94%	30734	64%	**39	100%
IMR 3031 👍	<<locked>>	95%	42337	88%	**91	99%
[IMR 4064]*	<<locked>>	96%	42511	89%	**82	93%
[IMR 4895]*	<<locked>>	93%	41829	87%	**48	93%
IMR 8208 XBR	<<locked>>	88%	42786	89%	**02	95%
Lovex D073.4	<<locked>>	84%	42902	90%	**92	96%
Lovex D073.5	<<locked>>	85%	43047	90%	**09	96%
Lovex D073.6	<<locked>>	91%	41916	88%	**31	97%
[Lovex S060]*	<<locked>>	89%	41872	87%	**23	93%
Lovex S062	<<locked>>	95%	42989	90%	**25	95%
Norma 201	<<locked>>	91%	42946	90%	**15	95%
Norma 202	<<locked>>	91%	42946	90%	**31	98%
[Norma 203B]*	<<locked>>	95%	42583	89%	**48	93%
[Ramshot Big Game]*	<<locked>>	94%	42656	89%	**48	93%
[Ramshot Wild Boar]*	<<locked>>	89%	41945	88%	**15	93%
[Ramshot X-Terminator]*	<<locked>>	85%	42627	89%	**59	93%
ReloadSwiss RS 14	<<locked>>	97%	31778	66%	**08	100%
ReloadSwiss RS 40	<<locked>>	84%	42598	89%	**02	97%
ReloadSwiss RS 52	<<locked>>	96%	43018	90%	**00	96%
Rottweil R 901	<<locked>>	88%	42395	89%	**86	97%
Rottweil R 902	<<locked>>	93%	42931	90%	**95	95%
[Rottweil R 903]*	<<locked>>	97%	38609	81%	**59	93%
[SNPE Vectan SP 11]*	<<locked>>	97%	41829	87%	**31	93%
[SNPE Vectan SP 9]*	<<locked>>	91%	41989	88%	**02	93%
SNPE Vectan Tubal 3000	<<locked>>	89%	42032	88%	**27	98%
SNPE Vectan Tubal 5000	<<locked>>	95%	41916	88%	**33	98%
Shooters World Match Rifle	<<locked>>	91%	41916	88%	**31	97%
Shooters World Precision	<<locked>>	95%	42989	90%	**25	95%
Somchem S321	<<locked>>	86%	42235	88%	**18	95%
Somchem S335	<<locked>>	89%	42076	88%	**46	98%
[Somchem S341]*	<<locked>>	90%	42540	89%	**99	93%
[Somchem S355]*	<<locked>>	97%	40422	84%	**86	93%
Vihtavuori N130	<<locked>>	86%	42888	90%	**53	100%
Vihtavuori N133	<<locked>>	92%	42540	89%	**53	99%
Vihtavuori N135	<<locked>>	97%	38479	80%	**36	99%
Vihtavuori N140	<<locked>>	93%	42032	88%	**86	98%
[Vihtavuori N150]*	<<locked>>	97%	34272	72%	**15	93%
Vihtavuori N530	<<locked>>	87%	42351	88%	**09	95%
Vihtavuori N540	<<locked>>	94%	42888	90%	**31	98%
Winchester 748	<<locked>>	87%	42177	88%	**54	96%
[Winchester StaBALL Match]*	<<locked>>	85%	42612	89%	**35	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	84%	34708	73%	**31	90%
[ADI AR 2208]*	<<locked>>	91%	37231	78%	**67	90%
Accurate 2015	<<locked>>	81%	35926	75%	**41	99%
[Accurate 2230]*	<<locked>>	81%	37782	79%	**71	93%
[Accurate 2460]*	<<locked>>	81%	37217	78%	**71	94%
Accurate 2495	<<locked>>	81%	30008	63%	**69	97%
[Accurate 2520]*	<<locked>>	81%	30850	64%	**62	93%
[Accurate 4064]*	<<locked>>	81%	25251	53%	**98	91%
Alliant AR-Comp	<<locked>>	81%	31662	66%	**15	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	88%	32503	68%	**95	90%
Alliant Reloder-10x	<<locked>>	81%	39218	82%	**36	100%
[Alliant Reloder-15]*	<<locked>>	89%	36463	76%	**94	90%
[Baschieri & Pellagri 107]*	<<locked>>	88%	39523	83%	**49	90%
[Hodgdon BL-C2]*	<<locked>>	81%	31459	66%	**76	90%
[Hodgdon Benchmark]*	<<locked>>	81%	36289	76%	**05	94%
Hodgdon H322	<<locked>>	81%	35056	73%	**58	97%
[Hodgdon VARGET]*	<<locked>>	91%	37231	78%	**67	90%
Hodgdon TrailBoss	<<locked>>	81%	25048	52%	**01	100%
[IMR 3031]*	<<locked>>	81%	27760	58%	**94	94%
[IMR 4064]*	<<locked>>	92%	36782	77%	**58	90%
[IMR 4895]*	<<locked>>	87%	35114	73%	**81	90%
[IMR 8208 XBR]*	<<locked>>	81%	33852	71%	**85	92%
Lovex D073.4	<<locked>>	81%	39218	82%	**13	95%
[Lovex D073.5]*	<<locked>>	81%	37217	78%	**71	94%
[Lovex D073.6]*	<<locked>>	81%	28979	61%	**03	92%
[Lovex S060]*	<<locked>>	82%	34374	72%	**46	90%
[Lovex S062]*	<<locked>>	85%	31183	65%	**26	90%
[Norma 201]*	<<locked>>	81%	31227	65%	**17	90%
[Norma 202]*	<<locked>>	81%	30864	64%	**40	94%
[Norma 203B]*	<<locked>>	88%	34621	72%	**58	90%
[Ramshot Big Game]*	<<locked>>	90%	36999	77%	**13	90%
[Ramshot Wild Boar]*	<<locked>>	84%	35346	74%	**48	90%
[Ramshot X-Terminator]*	<<locked>>	81%	36999	77%	**28	91%
ReloadSwiss RS 14	<<locked>>	81%	24976	52%	**37	100%
ReloadSwiss RS 40	<<locked>>	81%	37869	79%	**97	95%
[ReloadSwiss RS 52]*	<<locked>>	86%	30385	63%	**66	90%
Rottweil R 901	<<locked>>	81%	34577	72%	**05	95%
[Rottweil R 902]*	<<locked>>	83%	31096	65%	**07	90%
[Rottweil R 903]*	<<locked>>	92%	33214	69%	**25	91%
[SNPE Vectan SP 11]*	<<locked>>	92%	36405	76%	**97	90%
[SNPE Vectan SP 9]*	<<locked>>	86%	35375	74%	**38	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	33011	69%	**17	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	26832	56%	**49	93%
[Shooters World Match Rifle]*	<<locked>>	81%	28979	61%	**03	92%
[Shooters World Precision]*	<<locked>>	85%	31183	65%	**26	90%
[Somchem S321]*	<<locked>>	81%	35520	74%	**58	93%
Somchem S335	<<locked>>	81%	32576	68%	**20	96%
[Somchem S341]*	<<locked>>	85%	35708	75%	**35	90%
[Somchem S355]*	<<locked>>	91%	33997	71%	**18	91%
Vihtavuori N130	<<locked>>	81%	37028	77%	**28	99%
Vihtavuori N133	<<locked>>	81%	30560	64%	**71	97%
[Vihtavuori N135]*	<<locked>>	81%	23554	49%	**16	92%
[Vihtavuori N140]*	<<locked>>	81%	28616	60%	**51	93%
[Vihtavuori N150]*	<<locked>>	92%	29544	62%	**80	90%
[Vihtavuori N530]*	<<locked>>	81%	35360	74%	**48	93%
[Vihtavuori N540]*	<<locked>>	81%	28645	60%	**74	92%
[Winchester 748]*	<<locked>>	81%	34534	72%	**64	93%
[Winchester StaBALL Match]*	<<locked>>	81%	36854	77%	**00	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.