Load data for .33 Win. + .338 | 275gr | Swift A-Frame

Recommended Powder(s): ReloadSwiss RS 52, Rottweil R 903, Somchem S355

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 275gr \| Swift A-Frame
Bullet Weight:	275gr \| 17.8g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	1.435" \| 36.4mm
Caliber:	.33 Win. load data
Case Length (l3):	2.104" \| 53.4mm
Cartridge Length (C.O.L.):	2.753" \| 69.9mm
Seated Depth:	0.786" \| 20.0mm
Shank Seated Depth:	0.786" \| 20.0mm
Case Capacity:	63.0 Grains of Water \| 4.09 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B10855_C441
Last updated:	2025-02-02

Load data for 120 loads in caliber .33 Win. with .338 | 275gr | Swift A-Frame bullet and 60 powders such as ReloadSwiss RS 52, Rottweil R 903, Somchem S355. 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>>	83%	39755	90%	**59	97%
ADI AR 2208	<<locked>>	89%	39682	90%	**42	97%
Accurate 4064	<<locked>>	89%	39755	90%	**75	100%
Accurate 4350	<<locked>>	97%	36782	83%	**85	95%
Alliant Reloder- TS 15.5	<<locked>>	89%	39233	89%	**72	98%
Alliant Reloder-15	<<locked>>	87%	39639	90%	**75	97%
Alliant Reloder-16	<<locked>>	97%	39001	88%	**01	96%
Alliant Reloder-17	<<locked>>	94%	39363	89%	**37	98%
Baschieri & Pellagri 107	<<locked>>	84%	39711	90%	**75	96%
Hodgdon CFE223	<<locked>>	88%	39682	90%	**05	96%
Hodgdon H380	<<locked>>	89%	39798	90%	**69	95%
[Hodgdon H414]*	<<locked>>	93%	39552	89%	**01	92%
Hodgdon Hybrid 100V	<<locked>>	96%	34925	79%	**09	96%
Hodgdon LVR	<<locked>>	94%	39102	88%	**88	95%
Hodgdon VARGET	<<locked>>	89%	39682	90%	**42	97%
IMR 3031	<<locked>>	87%	39769	90%	**85	100%
IMR 4064	<<locked>>	89%	39392	89%	**29	97%
[IMR 4166 Enduron]*	<<locked>>	89%	39436	89%	**93	92%
[IMR 4451 Enduron]*	<<locked>>	91%	39392	89%	**23	92%
[IMR 4831]*	<<locked>>	96%	32242	73%	**80	93%
IMR 4895	<<locked>>	86%	39740	90%	**88	98%
Lovex D073.6	<<locked>>	84%	39407	89%	**69	100%
Lovex S062	<<locked>>	87%	39755	90%	**49	99%
[Lovex S065]*	<<locked>>	94%	39595	90%	**42	94%
[Lovex S070]*	<<locked>>	96%	39363	89%	**59	93%
Norma 201	<<locked>>	83%	39262	89%	**26	98%
Norma 202	<<locked>>	83%	38986	88%	**36	100%
Norma 203B	<<locked>>	87%	39218	89%	**72	97%
Norma URP	<<locked>>	97%	37869	86%	**85	95%
Ramshot Big Game	<<locked>>	88%	39682	90%	**95	97%
[Ramshot Hunter]*	<<locked>>	97%	37840	86%	**72	92%
[ReloadSwiss RS 50]*	<<locked>>	88%	38885	88%	**29	93%
ReloadSwiss RS 52 👍	<<locked>>	89%	39610	90%	**14	99%
ReloadSwiss RS 60	<<locked>>	94%	39160	89%	**44	98%
ReloadSwiss RS 62	<<locked>>	96%	37144	84%	**95	95%
[ReloadSwiss RS 70]*	<<locked>>	97%	39088	88%	**08	94%
Rottweil R 902	<<locked>>	85%	39305	89%	**19	98%
Rottweil R 903 👍	<<locked>>	92%	39784	90%	**88	98%
[Rottweil R 907]*	<<locked>>	92%	39711	90%	**26	91%
SNPE Vectan SP 11	<<locked>>	90%	39175	89%	**95	97%
SNPE Vectan SP 7	<<locked>>	83%	39595	90%	**39	95%
SNPE Vectan SP 9	<<locked>>	84%	39030	88%	**46	97%
SNPE Vectan Tubal 5000	<<locked>>	88%	38841	88%	**77	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	95%	39711	90%	**23	93%
[Shooters World Long Rifle]*	<<locked>>	94%	39595	90%	**42	94%
Shooters World Match Rifle	<<locked>>	84%	39407	89%	**69	100%
Shooters World Precision	<<locked>>	87%	39755	90%	**49	99%
Somchem S341	<<locked>>	84%	39407	89%	**46	97%
Somchem S355 👍	<<locked>>	91%	39697	90%	**72	98%
Somchem S365	<<locked>>	97%	34229	77%	**52	98%
Vihtavuori N133	<<locked>>	84%	39450	89%	**73	100%
Vihtavuori N135	<<locked>>	92%	38725	88%	**26	100%
Vihtavuori N140	<<locked>>	86%	39740	90%	**29	100%
Vihtavuori N150	<<locked>>	96%	38754	88%	**42	99%
Vihtavuori N160	<<locked>>	95%	39363	89%	**72	95%
Vihtavuori N540	<<locked>>	86%	39378	89%	**52	100%
Vihtavuori N550	<<locked>>	95%	39044	88%	**08	96%
[Vihtavuori N555]*	<<locked>>	97%	28485	64%	**47	92%
Winchester 6.5 StaBALL	<<locked>>	95%	39363	89%	**52	97%
[Winchester 760]*	<<locked>>	93%	39552	89%	**01	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	37304	84%	**13	97%
[ADI AR 2208]*	<<locked>>	81%	31821	72%	**01	94%
Accurate 4064	<<locked>>	81%	31749	72%	**41	99%
[Accurate 4350]*	<<locked>>	86%	26252	59%	**68	90%
Alliant Reloder- TS 15.5	<<locked>>	81%	30530	69%	**18	96%
Alliant Reloder-15	<<locked>>	81%	33417	76%	**67	95%
[Alliant Reloder-16]*	<<locked>>	86%	28253	64%	**75	90%
[Alliant Reloder-17]*	<<locked>>	81%	26832	61%	**72	92%
Baschieri & Pellagri 107	<<locked>>	81%	35824	81%	**06	95%
[Hodgdon CFE223]*	<<locked>>	81%	31517	71%	**54	93%
[Hodgdon H380]*	<<locked>>	81%	31082	70%	**14	92%
[Hodgdon H414]*	<<locked>>	89%	34795	79%	**16	90%
[Hodgdon Hybrid 100V]*	<<locked>>	83%	23873	54%	**57	90%
[Hodgdon LVR]*	<<locked>>	84%	28993	66%	**88	90%
[Hodgdon VARGET]*	<<locked>>	81%	31821	72%	**01	94%
IMR 3031	<<locked>>	81%	33098	75%	**77	100%
[IMR 4064]*	<<locked>>	81%	31386	71%	**85	94%
[IMR 4166 Enduron]*	<<locked>>	84%	34606	78%	**08	90%
[IMR 4451 Enduron]*	<<locked>>	86%	34664	78%	**41	90%
[IMR 4831]*	<<locked>>	89%	26629	60%	**55	90%
IMR 4895	<<locked>>	81%	34011	77%	**90	96%
Lovex D073.6	<<locked>>	81%	35012	79%	**00	99%
Lovex S062	<<locked>>	81%	33228	75%	**37	97%
[Lovex S065]*	<<locked>>	84%	29979	68%	**65	90%
[Lovex S070]*	<<locked>>	90%	33301	75%	**47	90%
Norma 201	<<locked>>	81%	36811	83%	**86	98%
Norma 202	<<locked>>	81%	36405	82%	**96	100%
Norma 203B	<<locked>>	81%	32619	74%	**57	95%
[Norma URP]*	<<locked>>	85%	27412	62%	**72	90%
Ramshot Big Game	<<locked>>	81%	32198	73%	**57	95%
[Ramshot Hunter]*	<<locked>>	92%	32750	74%	**77	90%
[ReloadSwiss RS 50]*	<<locked>>	81%	32068	72%	**04	90%
ReloadSwiss RS 52	<<locked>>	81%	31169	70%	**64	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	26411	60%	**62	92%
[ReloadSwiss RS 62]*	<<locked>>	87%	28224	64%	**11	90%
[ReloadSwiss RS 70]*	<<locked>>	91%	32387	73%	**77	90%
Rottweil R 902	<<locked>>	81%	35186	80%	**50	98%
Rottweil R 903	<<locked>>	81%	28152	64%	**75	95%
[Rottweil R 907]*	<<locked>>	89%	36303	82%	**70	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	29718	67%	**11	94%
[SNPE Vectan SP 7]*	<<locked>>	81%	37057	84%	**00	94%
SNPE Vectan SP 9	<<locked>>	81%	35839	81%	**93	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	31604	71%	**62	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	89%	32924	74%	**11	90%
[Shooters World Long Rifle]*	<<locked>>	84%	29979	68%	**65	90%
Shooters World Match Rifle	<<locked>>	81%	35012	79%	**00	99%
Shooters World Precision	<<locked>>	81%	33228	75%	**37	97%
Somchem S341	<<locked>>	81%	36245	82%	**96	96%
Somchem S355	<<locked>>	81%	29646	67%	**88	95%
[Somchem S365]*	<<locked>>	81%	22118	50%	**50	90%
Vihtavuori N133	<<locked>>	81%	35882	81%	**24	100%
Vihtavuori N135	<<locked>>	81%	28631	65%	**52	100%
Vihtavuori N140	<<locked>>	81%	33852	77%	**41	99%
Vihtavuori N150	<<locked>>	81%	25382	57%	**86	95%
[Vihtavuori N160]*	<<locked>>	83%	28007	63%	**52	90%
Vihtavuori N540	<<locked>>	81%	33620	76%	**57	99%
[Vihtavuori N550]*	<<locked>>	82%	27224	62%	**72	90%
[Vihtavuori N555]*	<<locked>>	93%	25788	58%	**78	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	25585	58%	**73	91%
[Winchester 760]*	<<locked>>	89%	34795	79%	**16	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