Load data for .300 CR + .308 | 125gr Hornady ECX

Recommended Powder(s): ADI AR 2219, Alliant Reloder-10x, Baschieri & Pellagri 106, IMR 4198, Norma 200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.308 \| 125gr Hornady ECX
Manufacturer SKU:	301944
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.308" \| 7.82mm
Bullet Length:	1.040" \| 26.4mm
Caliber:	.300 CR load data
Case Length (l3):	2.000" \| 50.8mm
Cartridge Length (C.O.L.):	2.515" \| 63.9mm
Seated Depth:	0.525" \| 13.3mm
Shank Seated Depth:	0.525" \| 13.3mm
Case Capacity:	53.0 Grains of Water \| 3.44 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	62366 psi \| 4300 bar
LID:	LID_B1381_C352
Last updated:	2025-01-01

Load data for 104 loads in caliber .300 CR with .308 | 125gr Hornady ECX bullet and 52 powders such as ADI AR 2219, Alliant Reloder-10x, Baschieri & Pellagri 106, IMR 4198, 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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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 2207	<<locked>>	95%	55724	89%	**07	100%
ADI AR 2219 👍	<<locked>>	97%	54244	87%	**56	99%
Accurate 1680	<<locked>>	86%	55564	89%	**84	99%
Accurate 2015	<<locked>>	97%	44208	71%	**56	99%
[Accurate 2230]*	<<locked>>	97%	48849	78%	**12	93%
Accurate 2460	<<locked>>	96%	46543	75%	**99	95%
Accurate 2495	<<locked>>	97%	35404	57%	**87	97%
[Accurate 2520]*	<<locked>>	96%	38116	61%	**00	94%
[Accurate 4064]*	<<locked>>	97%	29240	47%	**16	92%
Alliant AR-Comp	<<locked>>	96%	38479	62%	**30	100%
Alliant Reloder-10x 👍	<<locked>>	97%	48718	78%	**54	100%
Alliant Reloder-7	<<locked>>	93%	54621	88%	**67	100%
Baschieri & Pellagri 106 👍	<<locked>>	96%	53882	86%	**28	99%
[Hodgdon Benchmark]*	<<locked>>	97%	45847	74%	**33	94%
Hodgdon CFE BLK	<<locked>>	93%	55651	89%	**44	96%
Hodgdon H322	<<locked>>	96%	43714	70%	**79	97%
Hodgdon H335	<<locked>>	97%	52939	85%	**40	98%
Hodgdon H4198	<<locked>>	95%	55056	88%	**48	99%
Hodgdon TrailBoss	<<locked>>	97%	30284	49%	**93	100%
IMR 3031	<<locked>>	97%	33663	54%	**15	95%
IMR 4198 👍	<<locked>>	97%	50589	81%	**31	100%
IMR 4227	<<locked>>	89%	55361	89%	**25	100%
[IMR 8208 XBR]*	<<locked>>	97%	41901	67%	**10	92%
Lovex D073.4	<<locked>>	96%	49530	79%	**35	96%
Lovex D073.5	<<locked>>	97%	47268	76%	**12	95%
[Lovex D073.6]*	<<locked>>	97%	35578	57%	**41	92%
Lovex S053	<<locked>>	90%	54955	88%	**92	100%
Norma 200 👍	<<locked>>	97%	56043	90%	**36	100%
[Norma 202]*	<<locked>>	97%	37594	60%	**61	94%
[Ramshot X-Terminator]*	<<locked>>	96%	46818	75%	**59	92%
ReloadSwiss RS 14	<<locked>>	95%	29283	47%	**13	100%
ReloadSwiss RS 36	<<locked>>	89%	55274	89%	**67	100%
ReloadSwiss RS 40	<<locked>>	96%	47572	76%	**18	96%
Rottweil R 901	<<locked>>	96%	41597	67%	**07	95%
SNPE Vectan BA6 1/2	<<locked>>	93%	54824	88%	**31	100%
SNPE Vectan SP 10	<<locked>>	97%	54592	88%	**56	98%
SNPE Vectan Tubal 3000	<<locked>>	96%	41089	66%	**28	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	96%	33098	53%	**70	94%
[Shooters World Match Rifle]*	<<locked>>	97%	35578	57%	**41	92%
Shooters World Tactical Rifle	<<locked>>	97%	53330	86%	**58	95%
[Somchem S321]*	<<locked>>	96%	44483	71%	**89	94%
Somchem S335	<<locked>>	97%	39987	64%	**41	96%
Vihtavuori N110	<<locked>>	85%	56043	90%	**23	100%
Vihtavuori N120	<<locked>>	96%	53838	86%	**28	100%
Vihtavuori N130	<<locked>>	97%	46006	74%	**40	99%
Vihtavuori N133	<<locked>>	96%	37159	60%	**82	97%
[Vihtavuori N135]*	<<locked>>	96%	27775	45%	**21	93%
[Vihtavuori N140]*	<<locked>>	97%	35810	57%	**92	94%
[Vihtavuori N530]*	<<locked>>	96%	44135	71%	**62	93%
[Vihtavuori N540]*	<<locked>>	96%	34809	56%	**89	93%
[Winchester 748]*	<<locked>>	96%	43700	70%	**95	94%
[Winchester StaBALL Match]*	<<locked>>	97%	48327	77%	**51	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2207	<<locked>>	81%	36056	58%	**79	100%
[ADI AR 2219]*	<<locked>>	81%	32155	52%	**20	93%
Accurate 1680	<<locked>>	81%	46731	75%	**40	98%
[Accurate 2015]*	<<locked>>	81%	27122	43%	**72	94%
[Accurate 2230]*	<<locked>>	90%	38711	62%	**25	90%
[Accurate 2460]*	<<locked>>	86%	32924	53%	**23	90%
[Accurate 2495]*	<<locked>>	83%	21915	35%	**06	90%
[Accurate 2520]*	<<locked>>	91%	30951	50%	**30	90%
[Accurate 4064]*	<<locked>>	94%	27282	44%	**64	90%
[Alliant AR-Comp]*	<<locked>>	81%	24236	39%	**33	94%
Alliant Reloder-10x	<<locked>>	81%	30052	48%	**64	96%
Alliant Reloder-7	<<locked>>	81%	37695	60%	**79	99%
Baschieri & Pellagri 106	<<locked>>	81%	33228	53%	**48	95%
[Hodgdon Benchmark]*	<<locked>>	87%	34548	55%	**00	90%
[Hodgdon CFE BLK]*	<<locked>>	81%	37086	59%	**10	90%
[Hodgdon H322]*	<<locked>>	81%	27412	44%	**79	90%
[Hodgdon H335]*	<<locked>>	81%	31183	50%	**90	91%
[Hodgdon H4198]*	<<locked>>	81%	36158	58%	**03	94%
Hodgdon TrailBoss	<<locked>>	92%	28253	45%	**50	100%
[IMR 3031]*	<<locked>>	88%	25947	42%	**82	90%
IMR 4198	<<locked>>	81%	32314	52%	**70	98%
IMR 4227	<<locked>>	81%	43816	70%	**44	100%
[IMR 8208 XBR]*	<<locked>>	93%	37057	59%	**02	90%
[Lovex D073.4]*	<<locked>>	85%	33779	54%	**26	90%
[Lovex D073.5]*	<<locked>>	87%	33301	53%	**33	90%
[Lovex D073.6]*	<<locked>>	92%	30618	49%	**20	90%
Lovex S053	<<locked>>	81%	42859	69%	**12	100%
Norma 200	<<locked>>	81%	33895	54%	**43	98%
[Norma 202]*	<<locked>>	88%	28863	46%	**38	90%
[Ramshot X-Terminator]*	<<locked>>	93%	42598	68%	**80	90%
ReloadSwiss RS 14	<<locked>>	88%	26426	42%	**50	100%
ReloadSwiss RS 36	<<locked>>	81%	43120	69%	**77	100%
[ReloadSwiss RS 40]*	<<locked>>	84%	32184	52%	**93	90%
[Rottweil R 901]*	<<locked>>	84%	29124	47%	**02	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	39798	64%	**15	100%
[SNPE Vectan SP 10]*	<<locked>>	81%	32082	51%	**13	92%
[SNPE Vectan Tubal 3000]*	<<locked>>	85%	28935	46%	**52	90%
[SNPE Vectan Tubal 5000]*	<<locked>>	90%	27369	44%	**20	91%
[Shooters World Match Rifle]*	<<locked>>	92%	30618	49%	**20	90%
[Shooters World Tactical Rifle]*	<<locked>>	87%	38508	62%	**89	90%
[Somchem S321]*	<<locked>>	90%	35882	58%	**05	90%
[Somchem S335]*	<<locked>>	83%	26629	43%	**10	90%
Vihtavuori N110	<<locked>>	81%	50473	81%	**51	100%
Vihtavuori N120	<<locked>>	81%	34127	55%	**03	100%
Vihtavuori N130	<<locked>>	81%	28558	46%	**69	95%
[Vihtavuori N133]*	<<locked>>	81%	23902	38%	**28	91%
[Vihtavuori N135]*	<<locked>>	91%	24149	39%	**00	90%
[Vihtavuori N140]*	<<locked>>	89%	28137	45%	**92	90%
[Vihtavuori N530]*	<<locked>>	90%	36172	58%	**02	90%
[Vihtavuori N540]*	<<locked>>	91%	29544	47%	**54	90%
[Winchester 748]*	<<locked>>	90%	35273	57%	**05	90%
[Winchester StaBALL Match]*	<<locked>>	92%	40741	65%	**07	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