Load data for .450 N.E. 3 1/4'' + .458 | 300gr | Atomic 29 FNHP

Recommended Powder(s): Accurate 2495, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.458 \| 300gr \| Atomic 29 FNHP
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.458" \| 11.63mm
Bullet Length:	<<locked>>
Caliber:	.450 N.E. 3 1/4'' load data
Case Length (l3):	3.250" \| 82.5mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
Case Capacity:	136.0 Grains of Water \| 8.83 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B12244_C765
Last updated:	2026-03-25

Load data for 116 loads in caliber .450 N.E. 3 1/4'' with .458 | 300gr | Atomic 29 FNHP bullet and 58 powders such as Accurate 2495, IMR 3031. 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>>	89%	39798	90%	**03	93%
[ADI AR 2208]*	<<locked>>	93%	39450	89%	**67	92%
ADI Benchmark 8208	<<locked>>	87%	39726	90%	**77	95%
Accurate 2015	<<locked>>	85%	39610	90%	**61	100%
[Accurate 2230]*	<<locked>>	83%	39711	90%	**61	94%
Accurate 2460	<<locked>>	83%	39537	89%	**77	96%
Accurate 2495 👍	<<locked>>	90%	39479	89%	**40	100%
Accurate 2520	<<locked>>	88%	39305	89%	**20	97%
Accurate 4064	<<locked>>	95%	39479	89%	**43	98%
Alliant AR-Comp	<<locked>>	88%	39552	89%	**43	100%
Alliant Reloder- TS 15.5	<<locked>>	95%	39465	89%	**26	95%
[Alliant Reloder-15]*	<<locked>>	92%	39769	90%	**20	92%
Bofors RP3	<<locked>>	96%	39639	90%	**36	95%
Hodgdon BL-C2	<<locked>>	88%	39668	90%	**33	95%
Hodgdon Benchmark	<<locked>>	84%	39508	89%	**31	96%
Hodgdon H322	<<locked>>	85%	39798	90%	**00	98%
[Hodgdon H4895]*	<<locked>>	88%	39566	89%	**03	94%
[Hodgdon VARGET]*	<<locked>>	94%	39450	89%	**67	92%
Hodgdon TrailBoss	<<locked>>	97%	31705	72%	**42	100%
IMR 3031 👍	<<locked>>	93%	39711	90%	**62	99%
[IMR 4064]*	<<locked>>	95%	39711	90%	**67	92%
[IMR 4895]*	<<locked>>	92%	39523	89%	**30	93%
IMR 8208 XBR	<<locked>>	87%	39726	90%	**77	95%
Lovex D073.5	<<locked>>	84%	39537	89%	**77	96%
Lovex D073.6	<<locked>>	90%	39305	89%	**20	97%
[Lovex S060]*	<<locked>>	87%	39363	89%	**18	93%
Lovex S062	<<locked>>	93%	39334	89%	**84	95%
Norma 201	<<locked>>	89%	39595	90%	**77	95%
Norma 202	<<locked>>	89%	39392	89%	**94	98%
[Norma 203B]*	<<locked>>	93%	39581	89%	**17	93%
[Ramshot Big Game]*	<<locked>>	93%	39740	90%	**26	92%
[Ramshot Wild Boar]*	<<locked>>	87%	39450	89%	**97	93%
[Ramshot X-Terminator]*	<<locked>>	84%	39668	90%	**41	93%
ReloadSwiss RS 14	<<locked>>	97%	31618	71%	**81	100%
[ReloadSwiss RS 52]*	<<locked>>	91%	39813	90%	**76	92%
ReloadSwiss RS 60	<<locked>>	97%	39769	90%	**82	96%
Rottweil R 901	<<locked>>	86%	39610	90%	**61	97%
Rottweil R 902	<<locked>>	91%	39653	90%	**67	95%
[Rottweil R 903]*	<<locked>>	97%	38043	86%	**90	94%
[SNPE Vectan SP 11]*	<<locked>>	96%	39711	90%	**33	93%
[SNPE Vectan SP 9]*	<<locked>>	90%	39755	90%	**97	93%
SNPE Vectan Tubal 3000	<<locked>>	87%	39624	90%	**08	97%
SNPE Vectan Tubal 5000	<<locked>>	94%	39421	89%	**25	98%
Shooters World Match Rifle	<<locked>>	90%	39305	89%	**20	97%
Shooters World Precision	<<locked>>	93%	39334	89%	**84	95%
Somchem S321	<<locked>>	85%	39682	90%	**94	95%
Somchem S335	<<locked>>	88%	39697	90%	**38	98%
[Somchem S341]*	<<locked>>	88%	39595	90%	**80	93%
[Somchem S355]*	<<locked>>	97%	39711	90%	**07	94%
Vihtavuori N130	<<locked>>	84%	39537	89%	**15	100%
Vihtavuori N133	<<locked>>	90%	39668	90%	**35	99%
Vihtavuori N135	<<locked>>	97%	37521	85%	**57	99%
Vihtavuori N140	<<locked>>	91%	39334	89%	**77	98%
[Vihtavuori N150]*	<<locked>>	97%	33475	76%	**49	93%
Vihtavuori N530	<<locked>>	85%	39740	90%	**87	95%
Vihtavuori N540	<<locked>>	92%	39639	90%	**03	97%
Winchester 748	<<locked>>	85%	39581	89%	**36	96%
[Winchester StaBALL Match]*	<<locked>>	83%	39755	90%	**13	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	83%	32793	74%	**30	90%
[ADI AR 2208]*	<<locked>>	90%	35215	80%	**66	90%
[ADI Benchmark 8208]*	<<locked>>	81%	33069	75%	**16	92%
Accurate 2015	<<locked>>	81%	35201	80%	**66	99%
[Accurate 2230]*	<<locked>>	81%	36666	83%	**95	93%
Accurate 2460	<<locked>>	81%	36448	82%	**12	95%
Accurate 2495	<<locked>>	81%	28848	65%	**90	97%
[Accurate 2520]*	<<locked>>	81%	30342	69%	**07	93%
[Accurate 4064]*	<<locked>>	81%	24279	55%	**39	92%
Alliant AR-Comp	<<locked>>	81%	31024	70%	**52	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	87%	29979	68%	**90	90%
[Alliant Reloder-15]*	<<locked>>	88%	34708	78%	**98	90%
[Bofors RP3]*	<<locked>>	88%	29776	67%	**97	90%
[Hodgdon BL-C2]*	<<locked>>	81%	30763	70%	**20	91%
[Hodgdon Benchmark]*	<<locked>>	81%	35520	80%	**36	94%
Hodgdon H322	<<locked>>	81%	34882	79%	**92	97%
[Hodgdon H4895]*	<<locked>>	81%	31227	71%	**97	90%
[Hodgdon VARGET]*	<<locked>>	90%	35215	80%	**66	90%
Hodgdon TrailBoss	<<locked>>	81%	24889	56%	**91	100%
IMR 3031	<<locked>>	81%	27151	61%	**38	95%
[IMR 4064]*	<<locked>>	90%	34214	77%	**43	90%
[IMR 4895]*	<<locked>>	86%	32938	74%	**69	90%
[IMR 8208 XBR]*	<<locked>>	81%	33069	75%	**16	92%
Lovex D073.5	<<locked>>	81%	36056	82%	**02	95%
[Lovex D073.6]*	<<locked>>	81%	28398	64%	**51	92%
[Lovex S060]*	<<locked>>	81%	32793	74%	**61	90%
[Lovex S062]*	<<locked>>	83%	29022	66%	**25	90%
[Norma 201]*	<<locked>>	81%	30269	68%	**51	91%
[Norma 202]*	<<locked>>	81%	30052	68%	**67	94%
[Norma 203B]*	<<locked>>	87%	32576	74%	**56	90%
[Ramshot Big Game]*	<<locked>>	89%	34635	78%	**02	90%
[Ramshot Wild Boar]*	<<locked>>	82%	33054	75%	**43	90%
[Ramshot X-Terminator]*	<<locked>>	81%	36303	82%	**66	91%
ReloadSwiss RS 14	<<locked>>	81%	24860	56%	**31	100%
[ReloadSwiss RS 52]*	<<locked>>	88%	35360	80%	**74	90%
[ReloadSwiss RS 60]*	<<locked>>	88%	30284	68%	**13	90%
Rottweil R 901	<<locked>>	81%	33591	76%	**23	95%
[Rottweil R 902]*	<<locked>>	81%	28950	65%	**02	90%
[Rottweil R 903]*	<<locked>>	90%	30560	69%	**10	90%
[SNPE Vectan SP 11]*	<<locked>>	92%	34606	78%	**05	90%
[SNPE Vectan SP 9]*	<<locked>>	84%	33170	75%	**43	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	32430	73%	**51	95%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	26107	59%	**00	94%
[Shooters World Match Rifle]*	<<locked>>	81%	28398	64%	**51	92%
[Shooters World Precision]*	<<locked>>	83%	29022	66%	**25	90%
[Somchem S321]*	<<locked>>	81%	34969	79%	**92	94%
Somchem S335	<<locked>>	81%	31633	72%	**54	96%
[Somchem S341]*	<<locked>>	84%	33359	75%	**33	90%
[Somchem S355]*	<<locked>>	89%	30980	70%	**07	90%
Vihtavuori N130	<<locked>>	81%	36303	82%	**49	99%
Vihtavuori N133	<<locked>>	81%	30139	68%	**18	97%
[Vihtavuori N135]*	<<locked>>	81%	22829	52%	**64	93%
[Vihtavuori N140]*	<<locked>>	81%	28210	64%	**05	94%
[Vihtavuori N150]*	<<locked>>	91%	27818	63%	**92	90%
[Vihtavuori N530]*	<<locked>>	81%	34592	78%	**72	93%
[Vihtavuori N540]*	<<locked>>	81%	27702	63%	**02	93%
[Winchester 748]*	<<locked>>	81%	34011	77%	**98	94%
[Winchester StaBALL Match]*	<<locked>>	81%	36187	82%	**35	92%

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