Load data for .280 Rem. + .284 | 105gr | IBEX Viper

Recommended Powder(s): Alliant Reloder- TS 15.5, Alliant Reloder-17, IMR 4895, ReloadSwiss RS 52, ReloadSwiss RS 60

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.284 \| 105gr \| IBEX Viper
Manufacturer SKU:	T7002
Bullet Weight:	105gr \| 6.8g
Bullet Diameter:	0.284" \| 7.21mm
Bullet Length:	1.142" \| 29.0mm
Caliber:	.280 Rem. load data
Case Length (l3):	2.540" \| 64.5mm
Cartridge Length (C.O.L.):	3.280" \| 83.3mm
Seated Depth:	0.402" \| 10.2mm
Shank Seated Depth:	0.220" \| 5.6mm
Case Capacity:	67.9 Grains of Water \| 4.41 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	58740 psi \| 4050 bar
LID:	LID_B7013_C289
Last updated:	2025-01-01
Recommended Twist Rate:	1:11 - 1:9

Load data for 164 loads in caliber .280 Rem. with .284 | 105gr | IBEX Viper bullet and 82 powders such as Alliant Reloder- TS 15.5, Alliant Reloder-17, IMR 4895, ReloadSwiss RS 52, ReloadSwiss RS 60. 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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Min z (%)
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Barrel Length (cm)
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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 2206H	<<locked>>	87%	52359	89%	**19	98%
ADI AR 2208	<<locked>>	93%	52649	90%	**02	98%
Accurate 2200	<<locked>>	85%	52011	89%	**69	97%
Accurate 2495	<<locked>>	85%	52446	89%	**92	100%
Accurate 2520	<<locked>>	86%	52866	90%	**19	100%
[Accurate 2700]*	<<locked>>	93%	52475	89%	**07	93%
Accurate 4064	<<locked>>	91%	52228	89%	**05	100%
Accurate 4350	<<locked>>	97%	46862	80%	**66	96%
Alliant AR-Comp	<<locked>>	85%	52373	89%	**82	100%
Alliant Reloder- TS 15.5 👍	<<locked>>	93%	52373	89%	**28	99%
Alliant Reloder-15	<<locked>>	90%	52489	89%	**41	98%
Alliant Reloder-16	<<locked>>	97%	45876	78%	**50	95%
Alliant Reloder-17 👍	<<locked>>	97%	52837	90%	**37	99%
[Alliant Reloder-23]*	<<locked>>	97%	33692	57%	**54	92%
Baschieri & Pellagri 107	<<locked>>	88%	52823	90%	**35	97%
Hodgdon BL-C2	<<locked>>	85%	52460	89%	**38	99%
Hodgdon Benchmark	<<locked>>	84%	52272	89%	**43	99%
Hodgdon CFE223	<<locked>>	91%	52431	89%	**64	97%
Hodgdon H322	<<locked>>	84%	52504	89%	**89	100%
Hodgdon H380	<<locked>>	92%	52446	89%	**12	97%
[Hodgdon H414]*	<<locked>>	95%	52040	89%	**55	94%
Hodgdon Hybrid 100V	<<locked>>	97%	42409	72%	**31	96%
Hodgdon LVR	<<locked>>	97%	50734	86%	**19	96%
[Hodgdon Superperformance]*	<<locked>>	97%	50314	86%	**15	92%
Hodgdon VARGET	<<locked>>	93%	52185	89%	**86	98%
Hodgdon TrailBoss	<<locked>>	95%	33344	57%	**95	100%
IMR 3031	<<locked>>	90%	52547	89%	**38	100%
IMR 4064	<<locked>>	93%	51764	88%	**73	98%
[IMR 4166 Enduron]*	<<locked>>	93%	52388	89%	**46	94%
[IMR 4350]*	<<locked>>	97%	47181	80%	**84	92%
[IMR 4451 Enduron]*	<<locked>>	95%	52750	90%	**79	94%
[IMR 4831]*	<<locked>>	97%	40248	69%	**92	94%
IMR 4895 👍	<<locked>>	90%	52794	90%	**61	98%
IMR 8208 XBR	<<locked>>	86%	52866	90%	**96	99%
Lovex D073.6	<<locked>>	87%	52591	90%	**05	100%
Lovex S060	<<locked>>	87%	52852	90%	**56	98%
Lovex S062	<<locked>>	91%	52257	89%	**86	99%
Lovex S065	<<locked>>	97%	51996	89%	**66	95%
[Lovex S070]*	<<locked>>	97%	49197	84%	**30	93%
Norma 201	<<locked>>	88%	52634	90%	**86	99%
Norma 202	<<locked>>	88%	52576	89%	**89	100%
Norma 203B	<<locked>>	91%	52620	90%	**41	98%
Norma URP	<<locked>>	97%	46586	79%	**56	96%
Ramshot Big Game	<<locked>>	91%	52040	89%	**38	98%
[Ramshot Hunter]*	<<locked>>	97%	45992	78%	**36	93%
Ramshot TAC	<<locked>>	85%	52765	90%	**79	96%
Ramshot Wild Boar	<<locked>>	85%	51750	88%	**02	98%
ReloadSwiss RS 14	<<locked>>	97%	34316	58%	**57	100%
ReloadSwiss RS 50	<<locked>>	91%	52663	90%	**89	95%
ReloadSwiss RS 52 👍	<<locked>>	92%	52721	90%	**74	100%
ReloadSwiss RS 60 👍	<<locked>>	97%	51706	88%	**33	99%
ReloadSwiss RS 62	<<locked>>	97%	46615	79%	**82	95%
[ReloadSwiss RS 70]*	<<locked>>	97%	46934	80%	**73	94%
Rottweil R 901	<<locked>>	84%	52489	89%	**66	100%
Rottweil R 902	<<locked>>	89%	52098	89%	**66	99%
Rottweil R 903	<<locked>>	95%	52707	90%	**25	99%
[Rottweil R 907]*	<<locked>>	96%	52141	89%	**63	93%
SNPE Vectan SP 11	<<locked>>	94%	52359	89%	**55	98%
SNPE Vectan SP 7	<<locked>>	86%	52315	89%	**79	96%
SNPE Vectan SP 9	<<locked>>	88%	52214	89%	**99	98%
SNPE Vectan Tubal 3000	<<locked>>	87%	52373	89%	**04	100%
SNPE Vectan Tubal 5000	<<locked>>	93%	52634	90%	**10	100%
[SNPE Vectan Tubal 7000]*	<<locked>>	97%	51488	88%	**94	94%
Shooters World Long Rifle	<<locked>>	97%	51996	89%	**66	95%
Shooters World Match Rifle	<<locked>>	87%	52591	90%	**05	100%
Shooters World Precision	<<locked>>	91%	52257	89%	**86	99%
Somchem S335	<<locked>>	87%	52678	90%	**20	100%
Somchem S341	<<locked>>	87%	52388	89%	**89	98%
Somchem S355	<<locked>>	94%	52794	90%	**22	99%
Somchem S365	<<locked>>	97%	41756	71%	**00	98%
Vihtavuori N130	<<locked>>	83%	52199	89%	**84	100%
Vihtavuori N133	<<locked>>	89%	52576	90%	**10	100%
Vihtavuori N135	<<locked>>	95%	51909	88%	**56	100%
Vihtavuori N140	<<locked>>	90%	52707	90%	**73	100%
Vihtavuori N150	<<locked>>	97%	47950	82%	**04	99%
Vihtavuori N160	<<locked>>	97%	51329	87%	**02	97%
Vihtavuori N530	<<locked>>	84%	52141	89%	**99	99%
Vihtavuori N540	<<locked>>	90%	52272	89%	**89	100%
Vihtavuori N550	<<locked>>	97%	51517	88%	**48	97%
[Vihtavuori N555]*	<<locked>>	96%	35375	60%	**40	92%
Winchester 6.5 StaBALL	<<locked>>	97%	49530	84%	**33	98%
[Winchester 760]*	<<locked>>	95%	52040	89%	**55	94%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	43859	75%	**45	96%
[ADI AR 2208]*	<<locked>>	81%	37318	64%	**64	93%
Accurate 2200	<<locked>>	81%	45542	78%	**38	95%
Accurate 2495	<<locked>>	81%	45818	78%	**74	100%
Accurate 2520	<<locked>>	81%	45513	77%	**74	99%
[Accurate 2700]*	<<locked>>	88%	44715	76%	**53	90%
Accurate 4064	<<locked>>	81%	38957	66%	**40	99%
[Accurate 4350]*	<<locked>>	86%	32909	56%	**22	90%
Alliant AR-Comp	<<locked>>	81%	45121	77%	**64	100%
Alliant Reloder- TS 15.5	<<locked>>	81%	36854	63%	**94	95%
[Alliant Reloder-15]*	<<locked>>	81%	39537	67%	**49	94%
[Alliant Reloder-16]*	<<locked>>	87%	34156	58%	**38	90%
[Alliant Reloder-17]*	<<locked>>	81%	31937	54%	**02	91%
[Alliant Reloder-23]*	<<locked>>	94%	30748	52%	**59	90%
Baschieri & Pellagri 107	<<locked>>	81%	42670	73%	**28	95%
Hodgdon BL-C2	<<locked>>	81%	45005	77%	**97	98%
Hodgdon Benchmark	<<locked>>	81%	47398	81%	**45	99%
[Hodgdon CFE223]*	<<locked>>	81%	38014	65%	**46	93%
Hodgdon H322	<<locked>>	81%	48153	82%	**17	100%
[Hodgdon H380]*	<<locked>>	81%	37376	64%	**77	92%
[Hodgdon H414]*	<<locked>>	88%	41307	70%	**25	90%
[Hodgdon Hybrid 100V]*	<<locked>>	84%	29530	50%	**74	90%
[Hodgdon LVR]*	<<locked>>	85%	35621	61%	**74	90%
[Hodgdon Superperformance]*	<<locked>>	94%	45629	78%	**17	90%
[Hodgdon VARGET]*	<<locked>>	81%	36912	63%	**44	93%
Hodgdon TrailBoss	<<locked>>	81%	26934	46%	**41	100%
IMR 3031	<<locked>>	81%	39653	68%	**86	100%
[IMR 4064]*	<<locked>>	81%	36535	62%	**38	93%
[IMR 4166 Enduron]*	<<locked>>	85%	41118	70%	**00	90%
[IMR 4350]*	<<locked>>	94%	43424	74%	**99	90%
[IMR 4451 Enduron]*	<<locked>>	88%	42047	72%	**53	90%
[IMR 4831]*	<<locked>>	89%	32460	55%	**92	90%
IMR 4895	<<locked>>	81%	40538	69%	**95	96%
IMR 8208 XBR	<<locked>>	81%	45774	78%	**54	98%
Lovex D073.6	<<locked>>	81%	43004	73%	**31	99%
Lovex S060	<<locked>>	81%	44005	75%	**76	97%
Lovex S062	<<locked>>	81%	39392	67%	**23	97%
[Lovex S065]*	<<locked>>	85%	36593	62%	**22	90%
[Lovex S070]*	<<locked>>	90%	40393	69%	**43	90%
Norma 201	<<locked>>	81%	43294	74%	**95	98%
Norma 202	<<locked>>	81%	43149	73%	**09	99%
Norma 203B	<<locked>>	81%	38899	66%	**49	95%
[Norma URP]*	<<locked>>	86%	33489	57%	**22	90%
[Ramshot Big Game]*	<<locked>>	81%	38072	65%	**40	94%
[Ramshot Hunter]*	<<locked>>	92%	39088	67%	**66	90%
[Ramshot TAC]*	<<locked>>	81%	45658	78%	**38	94%
Ramshot Wild Boar	<<locked>>	81%	44904	76%	**64	97%
ReloadSwiss RS 14	<<locked>>	81%	27267	46%	**83	100%
[ReloadSwiss RS 50]*	<<locked>>	82%	39334	67%	**94	90%
ReloadSwiss RS 52	<<locked>>	81%	37579	64%	**56	97%
[ReloadSwiss RS 60]*	<<locked>>	81%	31328	53%	**92	92%
[ReloadSwiss RS 62]*	<<locked>>	88%	34751	59%	**77	90%
[ReloadSwiss RS 70]*	<<locked>>	90%	38130	65%	**59	90%
Rottweil R 901	<<locked>>	81%	47863	81%	**68	100%
Rottweil R 902	<<locked>>	81%	41394	70%	**46	97%
[Rottweil R 903]*	<<locked>>	81%	34577	59%	**28	94%
[Rottweil R 907]*	<<locked>>	90%	43627	74%	**86	90%
[SNPE Vectan SP 11]*	<<locked>>	81%	35288	60%	**67	93%
[SNPE Vectan SP 7]*	<<locked>>	81%	44411	76%	**22	94%
SNPE Vectan SP 9	<<locked>>	81%	42293	72%	**02	96%
SNPE Vectan Tubal 3000	<<locked>>	81%	44208	75%	**49	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	36680	62%	**92	99%
[SNPE Vectan Tubal 7000]*	<<locked>>	89%	40176	68%	**71	90%
[Shooters World Long Rifle]*	<<locked>>	85%	36593	62%	**22	90%
Shooters World Match Rifle	<<locked>>	81%	43004	73%	**31	99%
Shooters World Precision	<<locked>>	81%	39392	67%	**23	97%
Somchem S335	<<locked>>	81%	44048	75%	**56	100%
Somchem S341	<<locked>>	81%	43656	74%	**15	96%
[Somchem S355]*	<<locked>>	81%	35433	60%	**31	94%
[Somchem S365]*	<<locked>>	82%	27093	46%	**48	90%
Vihtavuori N130	<<locked>>	81%	49023	83%	**28	100%
Vihtavuori N133	<<locked>>	81%	41582	71%	**04	100%
Vihtavuori N135	<<locked>>	81%	34577	59%	**02	99%
Vihtavuori N140	<<locked>>	81%	40408	69%	**23	99%
[Vihtavuori N150]*	<<locked>>	81%	30385	52%	**80	94%
[Vihtavuori N160]*	<<locked>>	83%	33475	57%	**79	90%
Vihtavuori N530	<<locked>>	81%	48008	82%	**14	99%
Vihtavuori N540	<<locked>>	81%	40161	68%	**46	99%
[Vihtavuori N550]*	<<locked>>	83%	33460	57%	**22	90%
[Vihtavuori N555]*	<<locked>>	93%	31647	54%	**25	90%
[Winchester 6.5 StaBALL]*	<<locked>>	81%	30458	52%	**57	91%
[Winchester 760]*	<<locked>>	88%	41307	70%	**25	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.