Load data for .450 N.E. 3 1/4'' + .458 | 300gr | Barnes TTSX BT

Recommended Powder(s): Accurate 2495, Alliant AR-Comp, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.458 \| 300gr \| Barnes TTSX BT
Manufacturer SKU:	30642
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.458" \| 11.63mm
Bullet Length:	1.235" \| 31.4mm
Caliber:	.450 N.E. 3 1/4'' load data
Case Length (l3):	3.250" \| 82.5mm
Cartridge Length (C.O.L.):	3.891" \| 98.8mm
Seated Depth:	0.594" \| 15.1mm
Shank Seated Depth:	0.437" \| 11.1mm
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_B804_C765
Last updated:	2025-02-02
Recommended Twist Rate:	1:26 - 1:22

Load data for 104 loads in caliber .450 N.E. 3 1/4'' with .458 | 300gr | Barnes TTSX BT bullet and 52 powders such as Accurate 2495, Alliant AR-Comp, 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.

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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>>	90%	39740	90%	**57	92%
Accurate 2015	<<locked>>	86%	39610	90%	**25	99%
[Accurate 2230]*	<<locked>>	84%	39682	90%	**25	93%
Accurate 2460	<<locked>>	85%	39595	90%	**38	95%
Accurate 2495 👍	<<locked>>	91%	39624	90%	**10	99%
Accurate 2520	<<locked>>	90%	39363	89%	**90	96%
Accurate 4064	<<locked>>	97%	39450	89%	**07	98%
Alliant AR-Comp 👍	<<locked>>	90%	39421	89%	**10	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	97%	39595	90%	**90	94%
[Alliant Reloder-15]*	<<locked>>	94%	39508	89%	**77	92%
[Hodgdon BL-C2]*	<<locked>>	89%	39392	89%	**94	94%
Hodgdon Benchmark	<<locked>>	86%	39581	89%	**92	95%
Hodgdon H322	<<locked>>	86%	39436	89%	**61	98%
Hodgdon TrailBoss	<<locked>>	96%	31444	71%	**03	100%
IMR 3031 👍	<<locked>>	94%	39566	89%	**30	99%
[IMR 4064]*	<<locked>>	96%	39798	90%	**35	92%
[IMR 4895]*	<<locked>>	93%	39711	90%	**97	93%
[IMR 8208 XBR]*	<<locked>>	88%	39639	90%	**35	94%
Lovex D073.4	<<locked>>	83%	39755	90%	**28	95%
Lovex D073.5	<<locked>>	85%	39595	90%	**38	95%
Lovex D073.6	<<locked>>	92%	39494	89%	**87	96%
[Lovex S060]*	<<locked>>	88%	39624	90%	**82	92%
[Lovex S062]*	<<locked>>	94%	39798	90%	**61	94%
[Norma 201]*	<<locked>>	90%	39450	89%	**38	94%
Norma 202	<<locked>>	91%	39450	89%	**67	97%
[Norma 203B]*	<<locked>>	95%	39769	90%	**87	92%
[Ramshot Wild Boar]*	<<locked>>	89%	39465	89%	**64	92%
[Ramshot X-Terminator]*	<<locked>>	85%	39798	90%	**08	92%
ReloadSwiss RS 14	<<locked>>	97%	31589	71%	**45	100%
ReloadSwiss RS 40	<<locked>>	84%	39479	89%	**35	96%
ReloadSwiss RS 52	<<locked>>	96%	39624	90%	**26	95%
Rottweil R 901	<<locked>>	88%	39697	90%	**31	97%
[Rottweil R 902]*	<<locked>>	92%	39407	89%	**21	94%
[Rottweil R 903]*	<<locked>>	97%	36361	82%	**25	92%
[SNPE Vectan SP 9]*	<<locked>>	91%	39610	90%	**51	92%
SNPE Vectan Tubal 3000	<<locked>>	88%	39407	89%	**72	97%
SNPE Vectan Tubal 5000	<<locked>>	95%	39378	89%	**89	98%
Shooters World Match Rifle	<<locked>>	92%	39494	89%	**87	96%
[Shooters World Precision]*	<<locked>>	94%	39798	90%	**61	94%
Somchem S321	<<locked>>	86%	39784	90%	**64	95%
Somchem S335	<<locked>>	89%	39537	89%	**95	98%
[Somchem S341]*	<<locked>>	90%	39479	89%	**38	92%
[Somchem S355]*	<<locked>>	97%	37855	86%	**35	92%
Vihtavuori N130	<<locked>>	85%	39566	89%	**79	100%
Vihtavuori N133	<<locked>>	91%	39494	89%	**92	99%
Vihtavuori N135	<<locked>>	97%	35723	81%	**92	98%
Vihtavuori N140	<<locked>>	93%	39726	90%	**44	97%
[Vihtavuori N150]*	<<locked>>	97%	31908	72%	**77	92%
[Vihtavuori N530]*	<<locked>>	86%	39726	90%	**48	94%
Vihtavuori N540	<<locked>>	93%	39421	89%	**67	97%
Winchester 748	<<locked>>	87%	39755	90%	**97	95%
[Winchester StaBALL Match]*	<<locked>>	85%	39639	90%	**74	93%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	85%	34577	78%	**39	90%
Accurate 2015	<<locked>>	81%	33968	77%	**07	98%
[Accurate 2230]*	<<locked>>	81%	35288	80%	**30	92%
[Accurate 2460]*	<<locked>>	81%	34969	79%	**36	94%
Accurate 2495	<<locked>>	81%	27862	63%	**31	96%
[Accurate 2520]*	<<locked>>	81%	28964	65%	**34	92%
[Accurate 4064]*	<<locked>>	81%	23496	53%	**83	90%
Alliant AR-Comp	<<locked>>	81%	29762	67%	**77	99%
[Alliant Reloder- TS 15.5]*	<<locked>>	89%	31517	71%	**97	90%
[Alliant Reloder-15]*	<<locked>>	91%	36390	82%	**02	90%
[Hodgdon BL-C2]*	<<locked>>	83%	31111	70%	**90	90%
[Hodgdon Benchmark]*	<<locked>>	81%	34548	78%	**77	93%
Hodgdon H322	<<locked>>	81%	33330	75%	**23	96%
Hodgdon TrailBoss	<<locked>>	90%	28601	65%	**47	100%
[IMR 3031]*	<<locked>>	81%	26295	59%	**72	94%
[IMR 4064]*	<<locked>>	93%	35911	81%	**46	90%
[IMR 4895]*	<<locked>>	88%	34113	77%	**69	90%
[IMR 8208 XBR]*	<<locked>>	81%	31923	72%	**54	91%
[Lovex D073.4]*	<<locked>>	81%	36825	83%	**69	94%
[Lovex D073.5]*	<<locked>>	81%	34708	78%	**30	94%
[Lovex D073.6]*	<<locked>>	81%	27006	61%	**79	91%
[Lovex S060]*	<<locked>>	84%	34374	78%	**57	90%
[Lovex S062]*	<<locked>>	86%	30037	68%	**25	90%
[Norma 201]*	<<locked>>	82%	30139	68%	**08	90%
[Norma 202]*	<<locked>>	81%	28950	65%	**08	93%
[Norma 203B]*	<<locked>>	90%	34214	77%	**59	90%
[Ramshot Wild Boar]*	<<locked>>	85%	34853	79%	**52	90%
[Ramshot X-Terminator]*	<<locked>>	81%	34969	79%	**00	90%
ReloadSwiss RS 14	<<locked>>	86%	26934	61%	**47	100%
ReloadSwiss RS 40	<<locked>>	81%	36071	82%	**62	95%
[ReloadSwiss RS 52]*	<<locked>>	87%	30385	69%	**84	90%
[Rottweil R 901]*	<<locked>>	81%	32619	74%	**67	94%
[Rottweil R 902]*	<<locked>>	83%	30037	68%	**98	90%
[Rottweil R 903]*	<<locked>>	93%	31894	72%	**13	90%
[SNPE Vectan SP 9]*	<<locked>>	87%	34664	78%	**43	90%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	31546	71%	**88	94%
[SNPE Vectan Tubal 5000]*	<<locked>>	81%	25527	58%	**41	92%
[Shooters World Match Rifle]*	<<locked>>	81%	27006	61%	**79	91%
[Shooters World Precision]*	<<locked>>	86%	30037	68%	**25	90%
[Somchem S321]*	<<locked>>	81%	33591	76%	**16	92%
Somchem S335	<<locked>>	81%	30589	69%	**88	95%
[Somchem S341]*	<<locked>>	87%	35433	80%	**46	90%
[Somchem S355]*	<<locked>>	92%	32663	74%	**13	90%
Vihtavuori N130	<<locked>>	81%	35259	80%	**90	99%
Vihtavuori N133	<<locked>>	81%	29037	66%	**56	96%
[Vihtavuori N135]*	<<locked>>	81%	22205	50%	**05	92%
[Vihtavuori N140]*	<<locked>>	81%	27064	61%	**36	92%
[Vihtavuori N150]*	<<locked>>	94%	29080	66%	**95	90%
[Vihtavuori N530]*	<<locked>>	81%	33257	75%	**97	92%
[Vihtavuori N540]*	<<locked>>	81%	26789	61%	**43	91%
[Winchester 748]*	<<locked>>	81%	32460	73%	**23	92%
[Winchester StaBALL Match]*	<<locked>>	81%	34809	79%	**62	91%

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.

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