Load data for 6 x 52 R Bretschneider + .243 | 90gr | Sierra FMJBT GameKing

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.243 \| 90gr \| Sierra FMJBT GameKing
Manufacturer SKU:	1535
Bullet Weight:	90gr \| 5.8g
Bullet Diameter:	0.243" \| 6.17mm
Bullet Length:	0.969" \| 24.6mm
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:	0.487" \| 12.4mm
Shank Seated Depth:	0.387" \| 9.8mm
Case Capacity:	36.2 Grains of Water \| 2.35 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	47863 psi \| 3300 bar
LID:	LID_B5774_C965
Last updated:	2025-01-01
Recommended Twist Rate:	1:11 - 1:9

Load data for 128 loads in caliber 6 x 52 R Bretschneider with .243 | 90gr | Sierra FMJBT GameKing bullet and 64 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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Min z (%)
Min FR (%)
Max FR*
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Barrel Length (cm)
Safety Buffer (%)
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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%	42003	88%	**21	95%
[ADI AR 2208]*	<<locked>>	96%	42467	89%	**05	94%
Accurate 2015	<<locked>>	87%	42902	90%	**89	100%
[Accurate 2200]*	<<locked>>	88%	41989	88%	**69	93%
Accurate 2230	<<locked>>	84%	41684	87%	**75	96%
Accurate 2460	<<locked>>	85%	42830	89%	**15	97%
Accurate 2495 👍	<<locked>>	91%	41843	87%	**54	100%
Accurate 2520	<<locked>>	89%	41872	87%	**44	98%
Accurate 4064	<<locked>>	96%	41466	87%	**54	99%
Alliant AR-Comp 👍	<<locked>>	90%	42583	89%	**67	100%
Alliant Reloder- TS 15.5	<<locked>>	96%	41611	87%	**41	96%
Alliant Reloder-10x	<<locked>>	83%	42380	89%	**92	100%
[Alliant Reloder-15]*	<<locked>>	94%	42786	89%	**54	94%
[Alliant Reloder-17]*	<<locked>>	97%	37594	79%	**89	92%
[Baschieri & Pellagri 107]*	<<locked>>	91%	42960	90%	**48	93%
Hodgdon BL-C2	<<locked>>	90%	42757	89%	**74	96%
Hodgdon Benchmark	<<locked>>	86%	42540	89%	**66	97%
[Hodgdon CFE223]*	<<locked>>	94%	41466	87%	**38	92%
Hodgdon H322	<<locked>>	87%	42090	88%	**21	99%
[Hodgdon H380]*	<<locked>>	96%	42670	89%	**35	92%
[Hodgdon VARGET]*	<<locked>>	96%	42467	89%	**05	94%
IMR 3031 👍	<<locked>>	94%	41452	87%	**71	100%
[IMR 4064]*	<<locked>>	96%	41524	87%	**79	94%
IMR 4895	<<locked>>	93%	42163	88%	**64	95%
IMR 8208 XBR	<<locked>>	88%	41611	87%	**89	96%
Lovex D073.4	<<locked>>	84%	42888	90%	**05	97%
Lovex D073.5	<<locked>>	85%	42148	88%	**05	97%
Lovex D073.6	<<locked>>	92%	41872	87%	**44	98%
Lovex S060	<<locked>>	89%	41829	87%	**39	95%
Lovex S062	<<locked>>	94%	41742	87%	**05	96%
Norma 201	<<locked>>	91%	42264	88%	**02	96%
Norma 202 👍	<<locked>>	91%	42264	88%	**28	99%
Norma 203B	<<locked>>	94%	41945	88%	**48	95%
[Ramshot Big Game]*	<<locked>>	94%	41916	88%	**44	94%
Ramshot Wild Boar	<<locked>>	89%	42627	89%	**41	95%
Ramshot X-Terminator	<<locked>>	85%	42250	88%	**72	95%
ReloadSwiss RS 14	<<locked>>	97%	32024	67%	**86	100%
ReloadSwiss RS 40	<<locked>>	84%	41597	87%	**89	98%
ReloadSwiss RS 52	<<locked>>	96%	41814	87%	**84	97%
[ReloadSwiss RS 60]*	<<locked>>	97%	36782	77%	**75	93%
Rottweil R 901	<<locked>>	88%	42322	88%	**92	98%
Rottweil R 902	<<locked>>	92%	41597	87%	**79	96%
Rottweil R 903	<<locked>>	97%	38159	80%	**79	95%
[SNPE Vectan SP 11]*	<<locked>>	97%	41075	86%	**38	94%
[SNPE Vectan SP 7]*	<<locked>>	90%	42264	88%	**98	92%
SNPE Vectan SP 9	<<locked>>	91%	42482	89%	**28	95%
SNPE Vectan Tubal 3000	<<locked>>	89%	42206	88%	**39	99%
SNPE Vectan Tubal 5000	<<locked>>	96%	42076	88%	**49	99%
Shooters World Match Rifle	<<locked>>	92%	41872	87%	**44	98%
Shooters World Precision	<<locked>>	94%	41742	87%	**05	96%
Shooters World Tactical Rifle	<<locked>>	83%	42931	90%	**75	96%
Somchem S321	<<locked>>	86%	42366	89%	**25	97%
Somchem S335	<<locked>>	90%	42221	88%	**59	99%
Somchem S341	<<locked>>	90%	42337	88%	**05	95%
Somchem S355	<<locked>>	96%	39784	83%	**92	95%
Vihtavuori N130	<<locked>>	86%	42598	89%	**43	100%
Vihtavuori N133	<<locked>>	92%	42322	88%	**56	100%
Vihtavuori N135	<<locked>>	97%	38218	80%	**56	99%
Vihtavuori N140 👍	<<locked>>	93%	42554	89%	**08	99%
[Vihtavuori N150]*	<<locked>>	96%	32866	69%	**21	94%
Vihtavuori N530	<<locked>>	86%	41684	87%	**08	96%
Vihtavuori N540	<<locked>>	94%	42772	89%	**44	99%
Winchester 748	<<locked>>	87%	42511	89%	**71	97%
Winchester StaBALL Match	<<locked>>	85%	41611	87%	**28	95%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	32039	67%	**02	91%
[ADI AR 2208]*	<<locked>>	88%	33446	70%	**08	90%
Accurate 2015	<<locked>>	81%	35969	75%	**61	99%
[Accurate 2200]*	<<locked>>	83%	36434	76%	**57	90%
[Accurate 2230]*	<<locked>>	81%	37376	78%	**87	94%
Accurate 2460	<<locked>>	81%	37202	78%	**07	96%
Accurate 2495	<<locked>>	81%	29791	62%	**05	98%
Accurate 2520	<<locked>>	81%	31183	65%	**15	95%
[Accurate 4064]*	<<locked>>	81%	25092	52%	**64	93%
Alliant AR-Comp	<<locked>>	81%	31763	66%	**51	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	84%	28282	59%	**33	90%
Alliant Reloder-10x	<<locked>>	81%	39494	83%	**43	100%
[Alliant Reloder-15]*	<<locked>>	87%	33446	70%	**57	91%
[Alliant Reloder-17]*	<<locked>>	94%	33910	71%	**97	90%
[Baschieri & Pellagri 107]*	<<locked>>	85%	35288	74%	**84	90%
[Hodgdon BL-C2]*	<<locked>>	81%	31270	65%	**25	92%
Hodgdon Benchmark	<<locked>>	81%	35897	75%	**28	95%
[Hodgdon CFE223]*	<<locked>>	90%	36463	76%	**30	90%
Hodgdon H322	<<locked>>	81%	35012	73%	**77	98%
[Hodgdon H380]*	<<locked>>	92%	37159	78%	**23	90%
[Hodgdon VARGET]*	<<locked>>	88%	33446	70%	**08	90%
IMR 3031	<<locked>>	81%	27847	58%	**52	96%
[IMR 4064]*	<<locked>>	88%	32605	68%	**85	90%
[IMR 4895]*	<<locked>>	83%	30748	64%	**05	90%
[IMR 8208 XBR]*	<<locked>>	81%	33953	71%	**21	93%
Lovex D073.4	<<locked>>	81%	38740	81%	**23	96%
Lovex D073.5	<<locked>>	81%	36564	76%	**93	96%
[Lovex D073.6]*	<<locked>>	81%	28935	60%	**59	94%
[Lovex S060]*	<<locked>>	81%	32982	69%	**49	91%
[Lovex S062]*	<<locked>>	81%	27398	57%	**77	90%
[Norma 201]*	<<locked>>	81%	30792	64%	**49	92%
Norma 202	<<locked>>	81%	30763	64%	**75	95%
[Norma 203B]*	<<locked>>	86%	31662	66%	**15	91%
[Ramshot Big Game]*	<<locked>>	87%	33069	69%	**48	90%
[Ramshot Wild Boar]*	<<locked>>	81%	32445	68%	**15	91%
[Ramshot X-Terminator]*	<<locked>>	81%	36970	77%	**64	93%
ReloadSwiss RS 14	<<locked>>	94%	30560	64%	**60	100%
ReloadSwiss RS 40	<<locked>>	81%	37449	78%	**07	97%
[ReloadSwiss RS 52]*	<<locked>>	83%	27630	58%	**36	90%
[ReloadSwiss RS 60]*	<<locked>>	94%	33359	70%	**84	91%
Rottweil R 901	<<locked>>	81%	34258	72%	**21	96%
[Rottweil R 902]*	<<locked>>	81%	29414	61%	**03	91%
[Rottweil R 903]*	<<locked>>	89%	29602	62%	**75	91%
[SNPE Vectan SP 11]*	<<locked>>	89%	32648	68%	**41	90%
[SNPE Vectan SP 7]*	<<locked>>	87%	38130	80%	**10	90%
[SNPE Vectan SP 9]*	<<locked>>	82%	31198	65%	**72	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	32706	68%	**43	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	26571	56%	**05	95%
[Shooters World Match Rifle]*	<<locked>>	81%	28935	60%	**59	94%
[Shooters World Precision]*	<<locked>>	81%	27398	57%	**77	90%
Shooters World Tactical Rifle	<<locked>>	81%	40016	84%	**16	95%
Somchem S321	<<locked>>	81%	35636	74%	**87	95%
Somchem S335	<<locked>>	81%	32300	67%	**52	97%
[Somchem S341]*	<<locked>>	82%	32184	67%	**88	90%
[Somchem S355]*	<<locked>>	88%	29936	63%	**65	90%
Vihtavuori N130	<<locked>>	81%	37101	78%	**44	100%
Vihtavuori N133	<<locked>>	81%	30661	64%	**16	98%
Vihtavuori N135	<<locked>>	81%	23757	50%	**92	95%
Vihtavuori N140	<<locked>>	81%	28863	60%	**10	95%
[Vihtavuori N150]*	<<locked>>	89%	26789	56%	**57	91%
[Vihtavuori N530]*	<<locked>>	81%	34911	73%	**61	94%
[Vihtavuori N540]*	<<locked>>	81%	28282	59%	**16	94%
Winchester 748	<<locked>>	81%	34519	72%	**00	95%
[Winchester StaBALL Match]*	<<locked>>	81%	36318	76%	**23	94%

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.