Load data for 8.6 mm Blackout + .338 | 300gr | Berger Hybrid OTM Tactical

Recommended Powder(s): Accurate 2460, Hodgdon BL-C2, Somchem S321, Winchester 748, Winchester StaBALL Match

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 300gr \| Berger Hybrid OTM Tactical
Manufacturer SKU:	33109
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	1.819" \| 46.2mm
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:	0.721" \| 18.3mm
Shank Seated Depth:	0.411" \| 10.4mm
Case Capacity:	50.0 Grains of Water \| 3.25 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63092 psi \| 4350 bar
LID:	LID_B1141_C1210
Last updated:	2025-02-02
Recommended Twist Rate:	1:10 - 1:8

Load data for 158 loads in caliber 8.6 mm Blackout with .338 | 300gr | Berger Hybrid OTM Tactical bullet and 79 powders such as Accurate 2460, Hodgdon BL-C2, Somchem S321, 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
Muzzle velocity vs. barrel length
Every 1 inch additional barrel length increases muzzle velocity by approx. 14.4 fps
C.O.L. (Inch)
C.O.L. (mm)
We recommend you limit powder range to relevant brands to speed up re-calculation of results
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.
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%	47500	75%	**73	98%
ADI AR 2207	<<locked>>	89%	56739	90%	**50	100%
ADI AR 2208	<<locked>>	97%	41147	65%	**75	96%
ADI AR 2219	<<locked>>	92%	55869	89%	**32	100%
Accurate 2015	<<locked>>	97%	54607	87%	**80	100%
Accurate 2200	<<locked>>	97%	52605	83%	**86	97%
Accurate 2230	<<locked>>	94%	55071	87%	**13	99%
Accurate 2460 👍	<<locked>>	95%	55999	89%	**32	100%
Accurate 2495	<<locked>>	97%	45847	73%	**70	100%
Accurate 2520	<<locked>>	96%	48182	76%	**96	100%
Accurate 4064	<<locked>>	97%	37753	60%	**85	100%
Alliant AR-Comp	<<locked>>	97%	48341	77%	**77	100%
Alliant Reloder- TS 15.5	<<locked>>	97%	38406	61%	**81	97%
Alliant Reloder-10x	<<locked>>	94%	55172	87%	**86	100%
Alliant Reloder-15	<<locked>>	96%	41843	66%	**21	96%
[Alliant Reloder-17]*	<<locked>>	97%	34418	55%	**49	94%
Alliant Reloder-7	<<locked>>	88%	55521	88%	**44	100%
Baschieri & Pellagri 106	<<locked>>	92%	55259	88%	**50	100%
Baschieri & Pellagri 107	<<locked>>	96%	46818	74%	**73	97%
Hodgdon BL-C2 👍	<<locked>>	97%	49008	78%	**23	99%
Hodgdon Benchmark	<<locked>>	97%	53780	85%	**77	100%
Hodgdon CFE BLK	<<locked>>	88%	55303	88%	**64	100%
Hodgdon CFE223	<<locked>>	97%	41611	66%	**34	95%
Hodgdon H322	<<locked>>	97%	54186	86%	**16	100%
Hodgdon H335	<<locked>>	92%	55651	88%	**42	100%
[Hodgdon H380]*	<<locked>>	97%	39755	63%	**85	94%
Hodgdon H4198	<<locked>>	90%	55854	89%	**44	100%
Hodgdon VARGET	<<locked>>	97%	40422	64%	**65	96%
IMR 3031	<<locked>>	97%	41437	66%	**27	100%
IMR 4064	<<locked>>	96%	38725	61%	**39	96%
IMR 4198	<<locked>>	94%	55709	88%	**50	100%
IMR 4227	<<locked>>	84%	56405	89%	**98	100%
IMR 4895	<<locked>>	96%	42728	68%	**47	97%
IMR 8208 XBR	<<locked>>	96%	50662	80%	**83	99%
Lovex D073.4	<<locked>>	94%	55419	88%	**13	100%
Lovex D073.5	<<locked>>	95%	55201	87%	**23	100%
Lovex D073.6	<<locked>>	97%	45353	72%	**64	100%
Lovex S053	<<locked>>	84%	55230	88%	**62	100%
Lovex S060	<<locked>>	97%	49777	79%	**34	98%
Lovex S062	<<locked>>	97%	41423	66%	**95	98%
Norma 200	<<locked>>	91%	56463	90%	**80	100%
Norma 201	<<locked>>	97%	46572	74%	**41	99%
Norma 202	<<locked>>	97%	46615	74%	**54	100%
Norma 203B	<<locked>>	96%	40988	65%	**14	97%
Ramshot Big Game	<<locked>>	96%	41205	65%	**24	96%
Ramshot TAC	<<locked>>	96%	50981	81%	**83	96%
Ramshot Wild Boar	<<locked>>	97%	50314	80%	**13	98%
Ramshot X-Terminator	<<locked>>	96%	55912	89%	**16	99%
ReloadSwiss RS 36	<<locked>>	84%	56376	89%	**27	100%
ReloadSwiss RS 40	<<locked>>	95%	55390	88%	**23	100%
[ReloadSwiss RS 50]*	<<locked>>	96%	40944	65%	**68	92%
ReloadSwiss RS 52	<<locked>>	97%	39624	63%	**27	98%
ReloadSwiss RS 60	<<locked>>	97%	33576	53%	**36	95%
Rottweil R 901	<<locked>>	96%	50198	80%	**60	100%
Rottweil R 902	<<locked>>	96%	43381	69%	**98	98%
Rottweil R 903	<<locked>>	97%	34534	55%	**36	96%
SNPE Vectan SP 10	<<locked>>	92%	55680	88%	**36	100%
SNPE Vectan SP 11	<<locked>>	97%	37797	60%	**78	95%
SNPE Vectan SP 7	<<locked>>	96%	48138	76%	**60	96%
SNPE Vectan SP 9	<<locked>>	97%	46224	73%	**57	98%
SNPE Vectan Tubal 3000	<<locked>>	97%	50531	80%	**21	100%
SNPE Vectan Tubal 5000	<<locked>>	97%	40567	64%	**29	100%
Shooters World Match Rifle	<<locked>>	97%	45353	72%	**64	100%
Shooters World Precision	<<locked>>	97%	41423	66%	**95	98%
Shooters World Tactical Rifle	<<locked>>	93%	55811	88%	**96	99%
Somchem S321 👍	<<locked>>	96%	54563	86%	**46	100%
Somchem S335	<<locked>>	97%	48428	77%	**18	100%
Somchem S341	<<locked>>	96%	47718	76%	**64	98%
Somchem S355	<<locked>>	97%	36434	58%	**49	96%
Vihtavuori N120	<<locked>>	92%	55927	89%	**08	100%
Vihtavuori N130	<<locked>>	97%	54926	87%	**47	100%
Vihtavuori N133	<<locked>>	97%	45556	72%	**75	100%
Vihtavuori N135	<<locked>>	97%	35085	56%	**09	100%
Vihtavuori N140	<<locked>>	96%	43105	68%	**98	100%
Vihtavuori N530	<<locked>>	96%	53925	85%	**23	100%
Vihtavuori N540	<<locked>>	97%	43192	68%	**24	100%
[Vihtavuori N550]*	<<locked>>	97%	32764	52%	**16	92%
Winchester 748 👍	<<locked>>	96%	53272	84%	**55	100%
Winchester StaBALL Match 👍	<<locked>>	95%	56275	89%	**75	99%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	83%	31531	50%	**47	94%
ADI AR 2207	<<locked>>	81%	44411	70%	**36	100%
[ADI AR 2208]*	<<locked>>	89%	32634	52%	**44	93%
ADI AR 2219	<<locked>>	81%	38769	61%	**49	100%
Accurate 2015	<<locked>>	81%	33504	53%	**44	100%
[Accurate 2200]*	<<locked>>	83%	33721	53%	**44	92%
Accurate 2230	<<locked>>	81%	34722	55%	**73	96%
Accurate 2460	<<locked>>	81%	34635	55%	**86	97%
Accurate 2495	<<locked>>	83%	29283	46%	**50	100%
Accurate 2520	<<locked>>	82%	29443	47%	**44	97%
Accurate 4064	<<locked>>	88%	28689	45%	**47	98%
Alliant AR-Comp	<<locked>>	82%	30371	48%	**54	100%
Alliant Reloder- TS 15.5	<<locked>>	89%	30313	48%	**50	95%
Alliant Reloder-10x	<<locked>>	81%	37057	59%	**96	100%
[Alliant Reloder-15]*	<<locked>>	86%	30168	48%	**44	92%
[Alliant Reloder-17]*	<<locked>>	91%	29022	46%	**47	91%
Alliant Reloder-7	<<locked>>	81%	45121	72%	**42	100%
Baschieri & Pellagri 106	<<locked>>	81%	39624	63%	**90	100%
[Baschieri & Pellagri 107]*	<<locked>>	84%	31575	50%	**50	92%
Hodgdon BL-C2	<<locked>>	82%	29689	47%	**54	95%
Hodgdon Benchmark	<<locked>>	82%	34983	55%	**47	97%
Hodgdon CFE BLK	<<locked>>	81%	43990	70%	**39	98%
[Hodgdon CFE223]*	<<locked>>	87%	30560	48%	**57	91%
Hodgdon H322	<<locked>>	81%	33156	53%	**67	99%
Hodgdon H335	<<locked>>	81%	37913	60%	**49	99%
[Hodgdon H380]*	<<locked>>	89%	31328	50%	**57	91%
Hodgdon H4198	<<locked>>	81%	42656	68%	**06	100%
[Hodgdon VARGET]*	<<locked>>	90%	33112	52%	**54	93%
IMR 3031	<<locked>>	85%	29660	47%	**54	99%
[IMR 4064]*	<<locked>>	90%	32358	51%	**40	93%
IMR 4198	<<locked>>	81%	38682	61%	**77	100%
IMR 4227	<<locked>>	81%	51488	82%	**55	100%
[IMR 4895]*	<<locked>>	85%	29965	47%	**50	93%
IMR 8208 XBR	<<locked>>	82%	32532	52%	**44	96%
Lovex D073.4	<<locked>>	81%	35940	57%	**96	98%
Lovex D073.5	<<locked>>	81%	34040	54%	**77	97%
Lovex D073.6	<<locked>>	84%	29443	47%	**44	97%
Lovex S053	<<locked>>	81%	50357	80%	**16	100%
Lovex S060	<<locked>>	85%	35360	56%	**47	95%
Lovex S062	<<locked>>	88%	31778	50%	**50	96%
Norma 200	<<locked>>	81%	42047	67%	**39	100%
Norma 201	<<locked>>	85%	32779	52%	**54	96%
Norma 202	<<locked>>	84%	31285	50%	**47	98%
[Norma 203B]*	<<locked>>	87%	30589	48%	**54	93%
[Ramshot Big Game]*	<<locked>>	87%	30284	48%	**47	92%
[Ramshot TAC]*	<<locked>>	83%	33446	53%	**47	91%
[Ramshot Wild Boar]*	<<locked>>	82%	30850	49%	**40	93%
[Ramshot X-Terminator]*	<<locked>>	81%	34243	54%	**54	94%
ReloadSwiss RS 36	<<locked>>	81%	51401	81%	**85	100%
ReloadSwiss RS 40	<<locked>>	81%	35520	56%	**90	98%
[ReloadSwiss RS 50]*	<<locked>>	93%	36434	58%	**06	90%
ReloadSwiss RS 52	<<locked>>	86%	28805	46%	**47	95%
[ReloadSwiss RS 60]*	<<locked>>	92%	29298	46%	**50	92%
Rottweil R 901	<<locked>>	82%	33141	53%	**44	98%
Rottweil R 902	<<locked>>	87%	33083	52%	**54	96%
[Rottweil R 903]*	<<locked>>	92%	29617	47%	**54	94%
SNPE Vectan SP 10	<<locked>>	81%	39131	62%	**55	99%
[SNPE Vectan SP 11]*	<<locked>>	89%	30313	48%	**50	92%
[SNPE Vectan SP 7]*	<<locked>>	85%	32445	51%	**50	91%
[SNPE Vectan SP 9]*	<<locked>>	85%	31908	51%	**54	94%
SNPE Vectan Tubal 3000	<<locked>>	86%	35998	57%	**50	99%
SNPE Vectan Tubal 5000	<<locked>>	92%	34737	55%	**50	99%
Shooters World Match Rifle	<<locked>>	84%	29443	47%	**44	97%
Shooters World Precision	<<locked>>	88%	31778	50%	**50	96%
Shooters World Tactical Rifle	<<locked>>	81%	37710	60%	**96	97%
Somchem S321	<<locked>>	81%	33083	52%	**80	96%
Somchem S335	<<locked>>	85%	34229	54%	**44	99%
[Somchem S341]*	<<locked>>	84%	31792	50%	**44	93%
[Somchem S355]*	<<locked>>	91%	30472	48%	**50	94%
Vihtavuori N120	<<locked>>	81%	41408	66%	**70	100%
Vihtavuori N130	<<locked>>	82%	36129	57%	**47	100%
Vihtavuori N133	<<locked>>	87%	34563	55%	**40	100%
Vihtavuori N135	<<locked>>	93%	31096	49%	**50	100%
Vihtavuori N140	<<locked>>	87%	31865	51%	**44	98%
Vihtavuori N530	<<locked>>	81%	32866	52%	**60	96%
Vihtavuori N540	<<locked>>	86%	31256	50%	**54	98%
[Vihtavuori N550]*	<<locked>>	94%	30008	48%	**63	90%
Winchester 748	<<locked>>	81%	32329	51%	**86	97%
Winchester StaBALL Match	<<locked>>	81%	34243	54%	**09	95%

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