Load data for .303 Savage + .308 | 155gr | Norma GTX

Recommended Powder(s): Alliant AR-Comp, Alliant Reloder-10x, Norma 200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 155gr \| Norma GTX
Manufacturer SKU:	10676861
Bullet Weight:	155gr \| 10.0g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.165" \| 29.6mm
Caliber:	.303 Savage load data
Case Length (l3):	2.014" \| 51.2mm
Cartridge Length (C.O.L.):	2.482" \| 63.0mm
Seated Depth:	0.697" \| 17.7mm
Shank Seated Depth:	0.539" \| 13.7mm
Case Capacity:	45.0 Grains of Water \| 2.92 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	39160 psi \| 2700 bar
LID:	LID_B10055_C391
Last updated:	2025-02-02
Recommended Twist Rate:	1:13 - 1:11

Load data for 48 loads in caliber .303 Savage with .308 | 155gr | Norma GTX bullet and 24 powders such as Alliant AR-Comp, Alliant Reloder-10x, Norma 200. 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 (%)
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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 2207	<<locked>>	83%	34708	89%	**65	100%
[ADI AR 2219]*	<<locked>>	87%	34751	89%	**92	94%
Accurate 2015	<<locked>>	93%	34418	88%	**82	97%
Accurate 2495	<<locked>>	96%	28979	74%	**69	95%
Alliant AR-Comp 👍	<<locked>>	96%	33852	86%	**24	99%
Alliant Reloder-10x 👍	<<locked>>	90%	34896	89%	**98	98%
Baschieri & Pellagri 106	<<locked>>	86%	34360	88%	**06	95%
[Hodgdon H322]*	<<locked>>	93%	34751	89%	**92	94%
[Hodgdon H335]*	<<locked>>	87%	34490	88%	**88	93%
[Hodgdon H4198]*	<<locked>>	83%	35186	90%	**93	94%
[IMR 3031]*	<<locked>>	97%	29950	76%	**33	93%
IMR 4198	<<locked>>	87%	35041	89%	**46	99%
Norma 200 👍	<<locked>>	85%	34606	88%	**82	99%
[Norma 202]*	<<locked>>	97%	33156	85%	**75	93%
[ReloadSwiss RS 40]*	<<locked>>	90%	34403	88%	**65	91%
[Rottweil R 901]*	<<locked>>	94%	34200	87%	**65	93%
[SNPE Vectan SP 10]*	<<locked>>	87%	34548	88%	**95	93%
[SNPE Vectan Tubal 3000]*	<<locked>>	95%	35056	90%	**26	93%
[SNPE Vectan Tubal 5000]*	<<locked>>	96%	29457	75%	**14	92%
[Somchem S335]*	<<locked>>	96%	34563	88%	**49	94%
Vihtavuori N120	<<locked>>	85%	34534	88%	**33	100%
Vihtavuori N130	<<locked>>	91%	34722	89%	**39	98%
Vihtavuori N133	<<locked>>	97%	33895	87%	**29	96%
[Vihtavuori N140]*	<<locked>>	97%	31647	81%	**10	92%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2207	<<locked>>	81%	32445	83%	**26	100%
[ADI AR 2219]*	<<locked>>	81%	28747	73%	**51	91%
[Accurate 2015]*	<<locked>>	81%	23801	61%	**36	92%
[Accurate 2495]*	<<locked>>	87%	21118	54%	**59	91%
[Alliant AR-Comp]*	<<locked>>	81%	21669	55%	**96	92%
Alliant Reloder-10x	<<locked>>	81%	26774	68%	**18	95%
[Baschieri & Pellagri 106]*	<<locked>>	81%	29660	76%	**08	93%
[Hodgdon H322]*	<<locked>>	84%	26876	69%	**05	90%
[Hodgdon H335]*	<<locked>>	83%	29530	75%	**80	90%
[Hodgdon H4198]*	<<locked>>	81%	32851	84%	**47	93%
[IMR 3031]*	<<locked>>	91%	25614	65%	**18	90%
IMR 4198	<<locked>>	81%	29820	76%	**31	97%
Norma 200	<<locked>>	81%	30313	77%	**93	97%
[Norma 202]*	<<locked>>	91%	28413	73%	**60	90%
[ReloadSwiss RS 40]*	<<locked>>	87%	31386	80%	**00	90%
[Rottweil R 901]*	<<locked>>	87%	28297	72%	**31	90%
[SNPE Vectan SP 10]*	<<locked>>	81%	28747	73%	**60	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	88%	28572	73%	**88	90%
[SNPE Vectan Tubal 5000]*	<<locked>>	93%	26716	68%	**49	90%
[Somchem S335]*	<<locked>>	87%	26034	66%	**55	90%
Vihtavuori N120	<<locked>>	81%	30240	77%	**47	100%
[Vihtavuori N130]*	<<locked>>	81%	25773	66%	**42	94%
[Vihtavuori N133]*	<<locked>>	82%	22437	57%	**44	90%
[Vihtavuori N140]*	<<locked>>	93%	28137	72%	**31	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.