Load data for 8.6 mm Blackout + .338 | 300gr | CutEdge MTH

Recommended Powder(s): Accurate 2460, Hodgdon H335, Lovex D073.4, ReloadSwiss RS 40, SNPE Vectan SP 10

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.338 \| 300gr \| CutEdge MTH
Manufacturer SKU:	MTH 338 300 MAX
Bullet Weight:	300gr \| 19.4g
Bullet Diameter:	0.338" \| 8.59mm
Bullet Length:	2.010" \| 51.1mm
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:	0.912" \| 23.2mm
Shank Seated Depth:	0.659" \| 16.7mm
Case Capacity:	50.0 Grains of Water \| 3.25 cm³
Primer Size:	Large Rifle (LR)
Max. allowed Pressure:	63092 psi \| 4350 bar
LID:	LID_B8531_C1210
Last updated:	2025-02-02
Recommended Twist Rate:	1:9 - 1:7

Load data for 92 loads in caliber 8.6 mm Blackout with .338 | 300gr | CutEdge MTH bullet and 46 powders such as Accurate 2460, Hodgdon H335, Lovex D073.4, ReloadSwiss RS 40, SNPE Vectan SP 10. 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. 13.1 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>>	97%	40089	64%	**16	95%
ADI AR 2207	<<locked>>	94%	55521	88%	**91	100%
ADI AR 2219	<<locked>>	96%	54346	86%	**57	100%
Accurate 1680	<<locked>>	85%	55027	87%	**88	100%
Accurate 2015	<<locked>>	97%	45759	73%	**45	100%
[Accurate 2200]*	<<locked>>	96%	43845	70%	**16	94%
Accurate 2230	<<locked>>	96%	49168	78%	**88	98%
Accurate 2460 👍	<<locked>>	96%	47950	76%	**95	99%
Accurate 2495	<<locked>>	96%	35012	56%	**03	100%
Accurate 2520	<<locked>>	97%	39436	63%	**42	98%
Alliant AR-Comp	<<locked>>	96%	39015	62%	**26	100%
Alliant Reloder-10x	<<locked>>	96%	49284	78%	**81	100%
Alliant Reloder-7	<<locked>>	92%	55013	87%	**81	100%
Baschieri & Pellagri 106	<<locked>>	96%	55405	88%	**88	100%
[Baschieri & Pellagri 107]*	<<locked>>	96%	39827	63%	**13	93%
Hodgdon BL-C2	<<locked>>	96%	39755	63%	**49	96%
Hodgdon Benchmark	<<locked>>	96%	46195	73%	**32	98%
Hodgdon CFE BLK	<<locked>>	93%	55608	88%	**91	99%
Hodgdon H322	<<locked>>	97%	45556	72%	**72	100%
Hodgdon H335 👍	<<locked>>	96%	53316	85%	**57	100%
Hodgdon H4198	<<locked>>	94%	55056	87%	**72	100%
IMR 4198	<<locked>>	96%	51721	82%	**59	100%
IMR 4227	<<locked>>	88%	56086	89%	**39	100%
IMR 8208 XBR	<<locked>>	97%	43062	68%	**32	97%
Lovex D073.4 👍	<<locked>>	96%	50865	81%	**04	99%
Lovex D073.5	<<locked>>	96%	46862	74%	**85	99%
Lovex D073.6	<<locked>>	97%	36550	58%	**06	98%
Lovex S053	<<locked>>	89%	54911	87%	**06	100%
Norma 200	<<locked>>	96%	55651	88%	**21	100%
Norma 202	<<locked>>	97%	38580	61%	**03	99%
[Ramshot TAC]*	<<locked>>	96%	43424	69%	**26	92%
Ramshot Wild Boar	<<locked>>	97%	41858	66%	**45	95%
Ramshot X-Terminator	<<locked>>	97%	48225	76%	**72	97%
ReloadSwiss RS 36	<<locked>>	88%	55347	88%	**65	100%
ReloadSwiss RS 40 👍	<<locked>>	96%	48849	77%	**95	99%
Rottweil R 901	<<locked>>	96%	41553	66%	**09	99%
SNPE Vectan SP 10 👍	<<locked>>	97%	55535	88%	**73	100%
Shooters World Match Rifle	<<locked>>	97%	36550	58%	**06	98%
Shooters World Tactical Rifle	<<locked>>	96%	53664	85%	**08	98%
Somchem S321	<<locked>>	96%	45788	73%	**88	98%
Somchem S341	<<locked>>	96%	40147	64%	**03	95%
Vihtavuori N120	<<locked>>	97%	56057	89%	**55	100%
Vihtavuori N130	<<locked>>	96%	46499	74%	**16	100%
Vihtavuori N530	<<locked>>	97%	45571	72%	**72	98%
Winchester 748	<<locked>>	96%	44846	71%	**98	98%
Winchester StaBALL Match	<<locked>>	96%	48617	77%	**27	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	92%	34766	55%	**44	93%
ADI AR 2207	<<locked>>	83%	40132	64%	**47	100%
ADI AR 2219	<<locked>>	83%	35462	56%	**47	99%
Accurate 1680	<<locked>>	81%	47732	76%	**19	100%
Accurate 2015	<<locked>>	90%	36883	58%	**47	100%
[Accurate 2200]*	<<locked>>	92%	38087	60%	**47	92%
Accurate 2230	<<locked>>	88%	36637	58%	**47	95%
Accurate 2460	<<locked>>	88%	35810	57%	**54	97%
Accurate 2495	<<locked>>	93%	31140	49%	**50	99%
Accurate 2520	<<locked>>	92%	32880	52%	**54	97%
Alliant AR-Comp	<<locked>>	90%	32619	52%	**40	100%
Alliant Reloder-10x	<<locked>>	87%	36869	58%	**47	100%
Alliant Reloder-7	<<locked>>	83%	41481	66%	**54	100%
Baschieri & Pellagri 106	<<locked>>	87%	41147	65%	**50	100%
[Baschieri & Pellagri 107]*	<<locked>>	92%	34867	55%	**44	91%
[Hodgdon BL-C2]*	<<locked>>	90%	32358	51%	**40	94%
Hodgdon Benchmark	<<locked>>	91%	39030	62%	**47	97%
Hodgdon CFE BLK	<<locked>>	84%	42366	67%	**54	97%
Hodgdon H322	<<locked>>	89%	35462	56%	**47	99%
Hodgdon H335	<<locked>>	84%	35143	56%	**54	98%
Hodgdon H4198	<<locked>>	86%	43221	69%	**54	99%
IMR 4198	<<locked>>	87%	40292	64%	**44	100%
IMR 4227	<<locked>>	82%	46862	74%	**57	100%
IMR 8208 XBR	<<locked>>	91%	36158	57%	**47	95%
Lovex D073.4	<<locked>>	87%	36492	58%	**50	97%
Lovex D073.5	<<locked>>	88%	35288	56%	**47	96%
Lovex D073.6	<<locked>>	94%	32880	52%	**54	97%
Lovex S053	<<locked>>	84%	47848	76%	**47	100%
Norma 200	<<locked>>	84%	37521	59%	**44	100%
Norma 202	<<locked>>	93%	34635	55%	**50	98%
[Ramshot TAC]*	<<locked>>	92%	38116	60%	**57	91%
[Ramshot Wild Boar]*	<<locked>>	91%	35360	56%	**57	93%
[Ramshot X-Terminator]*	<<locked>>	89%	38029	60%	**54	94%
ReloadSwiss RS 36	<<locked>>	81%	44875	71%	**70	100%
ReloadSwiss RS 40	<<locked>>	88%	36883	58%	**57	97%
Rottweil R 901	<<locked>>	91%	36129	57%	**40	98%
SNPE Vectan SP 10	<<locked>>	83%	35288	56%	**50	98%
Shooters World Match Rifle	<<locked>>	94%	32880	52%	**54	97%
Shooters World Tactical Rifle	<<locked>>	87%	38885	62%	**50	96%
Somchem S321	<<locked>>	88%	34664	55%	**50	96%
[Somchem S341]*	<<locked>>	93%	36434	58%	**54	93%
Vihtavuori N120	<<locked>>	88%	43700	69%	**50	100%
Vihtavuori N130	<<locked>>	92%	40306	64%	**50	100%
Vihtavuori N530	<<locked>>	89%	35360	56%	**44	96%
Winchester 748	<<locked>>	88%	34069	54%	**57	96%
[Winchester StaBALL Match]*	<<locked>>	87%	34418	55%	**50	94%

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