Load data for 8.6 mm Blackout + .338 | 250gr | Hornady InterLock RN

Recommended Powder(s): Accurate 2520, Hodgdon BL-C2, Ramshot Wild Boar, Winchester 748, Winchester StaBALL Match

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 250gr \| Hornady InterLock RN
Manufacturer SKU:	3330
Bullet Weight:	250gr \| 16.2g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	1.188" \| 30.2mm
Caliber:	8.6 mm Blackout load data
Case Length (l3):	1.685" \| 42.8mm
Cartridge Length (C.O.L.):	2.783" \| 70.7mm
Seated Depth:	0.090" \| 2.3mm
Shank Seated Depth:	0.090" \| 2.3mm
Case Capacity:	50.0 Grains of Water \| 3.25 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63092 psi \| 4350 bar
LID:	LID_B2755_C1210
Last updated:	2025-02-02

Load data for 188 loads in caliber 8.6 mm Blackout with .338 | 250gr | Hornady InterLock RN bullet and 94 powders such as Accurate 2520, Hodgdon BL-C2, Ramshot Wild Boar, Winchester 748, Winchester StaBALL Match. 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>>	96%	54984	87%	**10	99%
ADI AR 2207	<<locked>>	85%	56028	89%	**85	100%
ADI AR 2208	<<locked>>	97%	47181	75%	**85	98%
ADI AR 2219	<<locked>>	88%	56594	90%	**90	100%
Accurate 2015	<<locked>>	93%	55840	89%	**31	100%
Accurate 2200	<<locked>>	94%	55608	88%	**74	98%
Accurate 2230	<<locked>>	91%	56173	89%	**77	100%
Accurate 2460	<<locked>>	91%	56173	89%	**83	100%
Accurate 2495	<<locked>>	97%	55405	88%	**03	100%
Accurate 2520 👍	<<locked>>	96%	55883	89%	**20	100%
[Accurate 2700]*	<<locked>>	96%	45498	72%	**03	92%
Accurate 4064	<<locked>>	97%	45614	72%	**05	100%
[Accurate 4350]*	<<locked>>	96%	32576	52%	**41	93%
Alliant AR-Comp	<<locked>>	96%	55985	89%	**90	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	45107	72%	**95	99%
Alliant Reloder-10x	<<locked>>	90%	55680	88%	**38	100%
Alliant Reloder-15	<<locked>>	96%	48776	77%	**51	98%
[Alliant Reloder-16]*	<<locked>>	97%	35795	57%	**64	93%
Alliant Reloder-17	<<locked>>	97%	40437	64%	**88	97%
Alliant Reloder-7	<<locked>>	84%	56594	90%	**92	100%
Baschieri & Pellagri 106	<<locked>>	88%	56115	89%	**98	100%
Baschieri & Pellagri 107	<<locked>>	97%	55201	88%	**26	99%
Hodgdon BL-C2 👍	<<locked>>	96%	56072	89%	**49	100%
Hodgdon Benchmark	<<locked>>	94%	56144	89%	**51	100%
Hodgdon CFE BLK	<<locked>>	85%	55956	89%	**18	100%
Hodgdon CFE223	<<locked>>	96%	47921	76%	**64	97%
Hodgdon H322	<<locked>>	93%	55709	88%	**80	100%
Hodgdon H335	<<locked>>	88%	55825	88%	**97	100%
Hodgdon H380	<<locked>>	97%	46789	74%	**15	96%
[Hodgdon H414]*	<<locked>>	97%	41408	66%	**59	92%
Hodgdon H4198	<<locked>>	86%	55912	89%	**92	100%
[Hodgdon Hybrid 100V]*	<<locked>>	97%	32126	51%	**78	94%
[Hodgdon LVR]*	<<locked>>	96%	38145	60%	**03	93%
Hodgdon VARGET	<<locked>>	97%	46630	74%	**78	97%
IMR 3031	<<locked>>	97%	49269	78%	**54	100%
IMR 4064	<<locked>>	96%	45411	72%	**56	98%
[IMR 4166 Enduron]*	<<locked>>	97%	46789	74%	**33	93%
IMR 4198	<<locked>>	90%	55898	89%	**92	100%
[IMR 4451 Enduron]*	<<locked>>	96%	43584	69%	**16	92%
IMR 4895	<<locked>>	96%	50154	79%	**80	99%
IMR 8208 XBR	<<locked>>	95%	55695	88%	**87	100%
Lovex D073.4	<<locked>>	90%	56362	89%	**74	100%
Lovex D073.5	<<locked>>	91%	56637	90%	**90	100%
Lovex D073.6	<<locked>>	97%	53490	85%	**93	100%
Lovex S060	<<locked>>	96%	55724	88%	**51	99%
Lovex S062	<<locked>>	97%	48834	77%	**18	99%
[Lovex S065]*	<<locked>>	97%	39407	62%	**73	93%
Norma 200	<<locked>>	86%	55869	89%	**15	100%
Norma 201	<<locked>>	97%	54143	86%	**70	100%
Norma 202	<<locked>>	97%	54157	86%	**77	100%
Norma 203B	<<locked>>	96%	47921	76%	**44	99%
[Norma URP]*	<<locked>>	97%	34925	55%	**60	93%
Ramshot Big Game	<<locked>>	97%	48747	77%	**67	98%
Ramshot TAC	<<locked>>	95%	55956	89%	**90	97%
Ramshot Wild Boar 👍	<<locked>>	95%	55912	89%	**26	99%
Ramshot X-Terminator	<<locked>>	92%	56333	89%	**77	99%
ReloadSwiss RS 40	<<locked>>	91%	56652	90%	**87	100%
ReloadSwiss RS 50	<<locked>>	97%	48486	77%	**05	95%
ReloadSwiss RS 52	<<locked>>	97%	46789	74%	**64	100%
ReloadSwiss RS 60	<<locked>>	97%	39334	62%	**78	98%
[ReloadSwiss RS 62]*	<<locked>>	97%	34258	54%	**67	92%
Rottweil R 901	<<locked>>	96%	56724	90%	**74	100%
Rottweil R 902	<<locked>>	96%	50618	80%	**18	100%
Rottweil R 903	<<locked>>	97%	41771	66%	**56	98%
SNPE Vectan BA6 1/2	<<locked>>	85%	56507	90%	**72	100%
SNPE Vectan SP 10	<<locked>>	88%	56405	89%	**93	100%
SNPE Vectan SP 11	<<locked>>	97%	44019	70%	**05	98%
SNPE Vectan SP 7	<<locked>>	96%	55999	89%	**97	98%
SNPE Vectan SP 9	<<locked>>	97%	53867	85%	**90	99%
SNPE Vectan Tubal 3000	<<locked>>	96%	56739	90%	**21	100%
SNPE Vectan Tubal 5000	<<locked>>	96%	46209	73%	**13	100%
[Shooters World Long Rifle]*	<<locked>>	97%	39407	62%	**73	93%
Shooters World Match Rifle	<<locked>>	97%	53490	85%	**93	100%
Shooters World Precision	<<locked>>	97%	48834	77%	**18	99%
Shooters World Tactical Rifle	<<locked>>	89%	55985	89%	**54	100%
Somchem S321	<<locked>>	93%	56565	90%	**20	100%
Somchem S335	<<locked>>	97%	55782	88%	**31	100%
Somchem S341	<<locked>>	97%	56666	90%	**10	99%
Somchem S355	<<locked>>	97%	43105	68%	**62	98%
Somchem S365	<<locked>>	97%	30777	49%	**05	95%
Vihtavuori N120	<<locked>>	87%	56028	89%	**39	100%
Vihtavuori N130	<<locked>>	93%	56362	89%	**98	100%
Vihtavuori N133	<<locked>>	97%	52663	83%	**78	100%
Vihtavuori N135	<<locked>>	96%	40567	64%	**93	100%
Vihtavuori N140	<<locked>>	96%	50444	80%	**11	100%
Vihtavuori N150	<<locked>>	97%	36448	58%	**34	98%
[Vihtavuori N160]*	<<locked>>	97%	38638	61%	**93	94%
Vihtavuori N530	<<locked>>	93%	56695	90%	**06	100%
Vihtavuori N540	<<locked>>	96%	49806	79%	**34	100%
[Vihtavuori N550]*	<<locked>>	97%	38276	61%	**26	94%
Winchester 6.5 StaBALL	<<locked>>	97%	38014	60%	**54	96%
Winchester 748 👍	<<locked>>	93%	56768	90%	**49	100%
[Winchester 760]*	<<locked>>	97%	41408	66%	**59	92%
Winchester StaBALL Match 👍	<<locked>>	91%	56260	89%	**36	100%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AR 2206H	<<locked>>	81%	34069	54%	**88	95%
ADI AR 2207	<<locked>>	81%	49995	79%	**19	100%
[ADI AR 2208]*	<<locked>>	81%	29225	46%	**67	92%
ADI AR 2219	<<locked>>	81%	45092	71%	**52	100%
Accurate 2015	<<locked>>	81%	39001	62%	**21	100%
[Accurate 2200]*	<<locked>>	81%	36506	58%	**95	94%
Accurate 2230	<<locked>>	81%	40089	64%	**67	98%
Accurate 2460	<<locked>>	81%	40248	64%	**77	99%
Accurate 2495	<<locked>>	81%	33098	52%	**98	100%
Accurate 2520	<<locked>>	81%	33895	54%	**14	98%
[Accurate 2700]*	<<locked>>	93%	40930	65%	**31	90%
Accurate 4064	<<locked>>	81%	27862	44%	**00	98%
[Accurate 4350]*	<<locked>>	91%	27760	44%	**32	90%
Alliant AR-Comp	<<locked>>	81%	34040	54%	**11	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	81%	27572	44%	**80	93%
Alliant Reloder-10x	<<locked>>	81%	42453	67%	**77	100%
[Alliant Reloder-15]*	<<locked>>	81%	30037	48%	**26	93%
[Alliant Reloder-16]*	<<locked>>	91%	30139	48%	**42	90%
[Alliant Reloder-17]*	<<locked>>	84%	26513	42%	**77	90%
Alliant Reloder-7	<<locked>>	81%	50821	81%	**26	100%
Baschieri & Pellagri 106	<<locked>>	81%	44730	71%	**67	100%
[Baschieri & Pellagri 107]*	<<locked>>	81%	33156	53%	**82	93%
Hodgdon BL-C2	<<locked>>	81%	33779	54%	**24	96%
Hodgdon Benchmark	<<locked>>	81%	38319	61%	**05	98%
Hodgdon CFE BLK	<<locked>>	81%	49472	78%	**36	99%
[Hodgdon CFE223]*	<<locked>>	81%	28877	46%	**13	90%
Hodgdon H322	<<locked>>	81%	37855	60%	**47	100%
Hodgdon H335	<<locked>>	81%	43961	70%	**46	100%
[Hodgdon H380]*	<<locked>>	82%	29399	47%	**06	90%
[Hodgdon H414]*	<<locked>>	93%	37188	59%	**87	90%
Hodgdon H4198	<<locked>>	81%	47906	76%	**00	100%
[Hodgdon Hybrid 100V]*	<<locked>>	89%	25976	41%	**31	90%
[Hodgdon LVR]*	<<locked>>	90%	31314	50%	**65	90%
[Hodgdon VARGET]*	<<locked>>	81%	28935	46%	**60	91%
IMR 3031	<<locked>>	81%	30168	48%	**55	99%
[IMR 4064]*	<<locked>>	81%	28572	45%	**54	92%
[IMR 4166 Enduron]*	<<locked>>	89%	36970	59%	**75	90%
IMR 4198	<<locked>>	81%	43714	69%	**51	100%
[IMR 4451 Enduron]*	<<locked>>	92%	37391	59%	**14	90%
[IMR 4895]*	<<locked>>	81%	30719	49%	**52	94%
IMR 8208 XBR	<<locked>>	81%	36172	57%	**05	97%
Lovex D073.4	<<locked>>	81%	41901	66%	**93	99%
Lovex D073.5	<<locked>>	81%	39842	63%	**73	99%
Lovex D073.6	<<locked>>	81%	31662	50%	**72	98%
Lovex S060	<<locked>>	81%	35607	56%	**52	95%
Lovex S062	<<locked>>	81%	30095	48%	**06	95%
[Lovex S065]*	<<locked>>	90%	31894	51%	**32	90%
Norma 200	<<locked>>	81%	48109	76%	**26	100%
Norma 201	<<locked>>	81%	33446	53%	**59	96%
Norma 202	<<locked>>	81%	33286	53%	**72	99%
[Norma 203B]*	<<locked>>	81%	29573	47%	**23	93%
[Norma URP]*	<<locked>>	91%	29457	47%	**39	90%
[Ramshot Big Game]*	<<locked>>	81%	29385	47%	**23	92%
[Ramshot TAC]*	<<locked>>	81%	35984	57%	**95	92%
Ramshot Wild Boar	<<locked>>	81%	34809	55%	**14	95%
Ramshot X-Terminator	<<locked>>	81%	39436	63%	**44	96%
ReloadSwiss RS 40	<<locked>>	81%	40698	64%	**80	99%
[ReloadSwiss RS 50]*	<<locked>>	86%	34389	55%	**75	90%
ReloadSwiss RS 52	<<locked>>	81%	28297	45%	**26	95%
[ReloadSwiss RS 60]*	<<locked>>	84%	25947	41%	**60	90%
[ReloadSwiss RS 62]*	<<locked>>	93%	30168	48%	**78	90%
Rottweil R 901	<<locked>>	81%	37014	59%	**01	99%
Rottweil R 902	<<locked>>	81%	32039	51%	**23	96%
[Rottweil R 903]*	<<locked>>	81%	25266	40%	**34	92%
SNPE Vectan BA6 1/2	<<locked>>	81%	50575	80%	**13	100%
SNPE Vectan SP 10	<<locked>>	81%	45266	72%	**59	100%
[SNPE Vectan SP 11]*	<<locked>>	81%	27108	43%	**70	91%
[SNPE Vectan SP 7]*	<<locked>>	81%	33779	54%	**65	92%
[SNPE Vectan SP 9]*	<<locked>>	81%	32866	52%	**69	94%
SNPE Vectan Tubal 3000	<<locked>>	81%	35317	56%	**36	99%
SNPE Vectan Tubal 5000	<<locked>>	81%	28616	45%	**31	98%
[Shooters World Long Rifle]*	<<locked>>	90%	31894	51%	**32	90%
Shooters World Match Rifle	<<locked>>	81%	31662	50%	**72	98%
Shooters World Precision	<<locked>>	81%	30095	48%	**06	95%
Shooters World Tactical Rifle	<<locked>>	81%	42989	68%	**87	98%
Somchem S321	<<locked>>	81%	38435	61%	**70	98%
Somchem S335	<<locked>>	81%	34751	55%	**46	99%
Somchem S341	<<locked>>	81%	33634	53%	**75	95%
[Somchem S355]*	<<locked>>	81%	26542	42%	**47	92%
[Somchem S365]*	<<locked>>	87%	23424	37%	**11	90%
Vihtavuori N120	<<locked>>	81%	46920	74%	**41	100%
Vihtavuori N130	<<locked>>	81%	39726	63%	**98	100%
Vihtavuori N133	<<locked>>	81%	33098	52%	**06	100%
Vihtavuori N135	<<locked>>	81%	25498	40%	**18	98%
Vihtavuori N140	<<locked>>	81%	30966	49%	**13	98%
[Vihtavuori N150]*	<<locked>>	81%	22814	36%	**36	92%
[Vihtavuori N160]*	<<locked>>	89%	29965	47%	**19	90%
Vihtavuori N530	<<locked>>	81%	37637	60%	**41	98%
Vihtavuori N540	<<locked>>	81%	30806	49%	**32	98%
[Vihtavuori N550]*	<<locked>>	88%	29037	46%	**39	90%
[Winchester 6.5 StaBALL]*	<<locked>>	85%	26353	42%	**08	90%
Winchester 748	<<locked>>	81%	37246	59%	**80	98%
[Winchester 760]*	<<locked>>	93%	37188	59%	**87	90%
Winchester StaBALL Match	<<locked>>	81%	39552	63%	**10	97%

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