Load data for .303 Savage + .308 | 180gr | Speer Grand Slam

Recommended Powder(s): Accurate 2495, Alliant AR-Comp

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 180gr \| Speer Grand Slam
Manufacturer SKU:	2063
Bullet Weight:	180gr \| 11.7g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.160" \| 29.5mm
Caliber:	.303 Savage load data
Case Length (l3):	2.014" \| 51.2mm
Cartridge Length (C.O.L.):	2.482" \| 63.0mm
Seated Depth:	0.692" \| 17.6mm
Shank Seated Depth:	0.692" \| 17.6mm
Case Capacity:	45.0 Grains of Water \| 2.92 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	39160 psi \| 2700 bar
LID:	LID_B6167_C391
Last updated:	2025-01-01

Load data for 76 loads in caliber .303 Savage with .308 | 180gr | Speer Grand Slam bullet and 38 powders such as Accurate 2495, Alliant AR-Comp. 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 2219	<<locked>>	83%	34418	88%	**31	97%
Accurate 2015	<<locked>>	89%	34447	88%	**14	99%
[Accurate 2460]*	<<locked>>	88%	34925	89%	**34	94%
Accurate 2495 👍	<<locked>>	96%	34374	88%	**03	99%
Accurate 2520	<<locked>>	94%	34519	88%	**80	95%
Accurate 4064	<<locked>>	97%	29370	75%	**05	95%
Alliant AR-Comp 👍	<<locked>>	93%	35114	90%	**90	100%
Alliant Reloder-10x	<<locked>>	85%	34722	89%	**24	99%
[Hodgdon BL-C2]*	<<locked>>	93%	34301	88%	**64	92%
[Hodgdon Benchmark]*	<<locked>>	87%	34316	88%	**65	93%
Hodgdon H322	<<locked>>	88%	34418	88%	**31	97%
Hodgdon H335	<<locked>>	84%	34214	87%	**34	95%
IMR 3031	<<locked>>	97%	33982	87%	**77	97%
IMR 4198	<<locked>>	83%	35114	90%	**82	100%
[IMR 8208 XBR]*	<<locked>>	91%	34867	89%	**18	92%
[Lovex D073.4]*	<<locked>>	86%	34301	88%	**08	93%
[Lovex D073.5]*	<<locked>>	88%	34287	88%	**24	93%
Lovex D073.6	<<locked>>	96%	35128	90%	**90	95%
[Lovex S062]*	<<locked>>	96%	33228	85%	**11	92%
[Norma 201]*	<<locked>>	94%	34795	89%	**21	92%
Norma 202	<<locked>>	94%	34185	87%	**41	95%
[ReloadSwiss RS 40]*	<<locked>>	86%	34330	88%	**11	94%
Rottweil R 901	<<locked>>	90%	34403	88%	**05	95%
[Rottweil R 902]*	<<locked>>	95%	34214	87%	**05	92%
SNPE Vectan SP 10	<<locked>>	84%	35215	90%	**47	96%
SNPE Vectan Tubal 3000	<<locked>>	91%	34795	89%	**69	95%
SNPE Vectan Tubal 5000	<<locked>>	96%	33083	84%	**49	96%
Shooters World Match Rifle	<<locked>>	96%	35128	90%	**90	95%
[Shooters World Precision]*	<<locked>>	96%	33228	85%	**11	92%
[Somchem S321]*	<<locked>>	89%	34664	89%	**44	93%
Somchem S335	<<locked>>	93%	35128	90%	**01	97%
Vihtavuori N130	<<locked>>	87%	34476	88%	**72	99%
Vihtavuori N133	<<locked>>	94%	34664	89%	**88	98%
Vihtavuori N135	<<locked>>	97%	28239	72%	**29	96%
Vihtavuori N140	<<locked>>	96%	34809	89%	**28	96%
[Vihtavuori N530]*	<<locked>>	90%	35157	90%	**34	93%
Vihtavuori N540	<<locked>>	96%	34635	88%	**51	95%
[Winchester 748]*	<<locked>>	89%	34345	88%	**51	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2219	<<locked>>	81%	32184	82%	**85	96%
Accurate 2015	<<locked>>	81%	27296	70%	**70	96%
[Accurate 2460]*	<<locked>>	81%	27775	71%	**86	90%
[Accurate 2495]*	<<locked>>	81%	20697	53%	**98	93%
[Accurate 2520]*	<<locked>>	85%	25672	66%	**83	90%
[Accurate 4064]*	<<locked>>	88%	22365	57%	**31	90%
Alliant AR-Comp	<<locked>>	81%	24337	62%	**50	97%
Alliant Reloder-10x	<<locked>>	81%	30313	77%	**39	98%
[Hodgdon BL-C2]*	<<locked>>	90%	31517	80%	**01	90%
[Hodgdon Benchmark]*	<<locked>>	82%	29167	74%	**60	90%
[Hodgdon H322]*	<<locked>>	81%	27354	70%	**77	94%
[Hodgdon H335]*	<<locked>>	81%	31386	80%	**72	94%
[IMR 3031]*	<<locked>>	81%	21698	55%	**65	90%
IMR 4198	<<locked>>	81%	32938	84%	**39	99%
[IMR 8208 XBR]*	<<locked>>	86%	30632	78%	**32	90%
[Lovex D073.4]*	<<locked>>	81%	29066	74%	**03	91%
[Lovex D073.5]*	<<locked>>	81%	27195	69%	**80	90%
[Lovex D073.6]*	<<locked>>	87%	26194	67%	**96	91%
[Lovex S062]*	<<locked>>	93%	30008	77%	**42	90%
[Norma 201]*	<<locked>>	89%	30400	78%	**39	90%
[Norma 202]*	<<locked>>	82%	24062	61%	**08	90%
[ReloadSwiss RS 40]*	<<locked>>	81%	29240	75%	**09	92%
[Rottweil R 901]*	<<locked>>	81%	26411	67%	**34	92%
[Rottweil R 902]*	<<locked>>	91%	30066	77%	**23	90%
[SNPE Vectan SP 10]*	<<locked>>	81%	32097	82%	**85	94%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	25556	65%	**78	91%
[SNPE Vectan Tubal 5000]*	<<locked>>	83%	22466	57%	**06	90%
[Shooters World Match Rifle]*	<<locked>>	87%	26194	67%	**96	91%
[Shooters World Precision]*	<<locked>>	93%	30008	77%	**42	90%
[Somchem S321]*	<<locked>>	84%	29805	76%	**42	90%
[Somchem S335]*	<<locked>>	81%	24845	63%	**81	92%
Vihtavuori N130	<<locked>>	81%	28892	74%	**67	98%
[Vihtavuori N133]*	<<locked>>	81%	24279	62%	**65	94%
[Vihtavuori N135]*	<<locked>>	84%	19957	51%	**99	90%
[Vihtavuori N140]*	<<locked>>	83%	23743	61%	**78	90%
[Vihtavuori N530]*	<<locked>>	84%	29994	77%	**29	90%
[Vihtavuori N540]*	<<locked>>	85%	24526	63%	**21	90%
[Winchester 748]*	<<locked>>	84%	29457	75%	**42	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