Load data for 5.6 x 50 Mag. + .223 | 55gr | Merlin Virtus

Recommended Powder(s): ADI AR 2219, Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x, Hodgdon H322

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.223 \| 55gr \| Merlin Virtus
Manufacturer SKU:	Merlin-0.223-55
Bullet Weight:	55gr \| 3.6g
Bullet Diameter:	0.223" \| 5.66mm
Bullet Length:	0.830" \| 21.1mm
Caliber:	5.6 x 50 Mag. load data
Case Length (l3):	1.968" \| 50.0mm
Cartridge Length (C.O.L.):	2.377" \| 60.4mm
Seated Depth:	0.421" \| 10.7mm
Shank Seated Depth:	0.303" \| 7.7mm
Case Capacity:	34.0 Grains of Water \| 2.21 cm³
Primer Size:	Small Rifle (SR)
Max. allowed Pressure:	55114 psi \| 3800 bar
LID:	LID_B10741_C914
Last updated:	2025-01-01
Recommended Twist Rate:	1:10 - 1:8

Load data for 108 loads in caliber 5.6 x 50 Mag. with .223 | 55gr | Merlin Virtus bullet and 54 powders such as ADI AR 2219, Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x, Hodgdon H322. 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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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>>	97%	45049	82%	**27	93%
ADI AR 2207	<<locked>>	87%	49284	89%	**59	100%
ADI AR 2219 👍	<<locked>>	90%	48689	88%	**09	99%
Accurate 2015 👍	<<locked>>	95%	48356	88%	**63	100%
[Accurate 2230]*	<<locked>>	92%	48457	88%	**40	94%
Accurate 2460	<<locked>>	93%	49240	89%	**73	96%
Accurate 2495	<<locked>>	96%	40785	74%	**07	99%
Accurate 2520	<<locked>>	97%	45818	83%	**66	97%
[Accurate 4064]*	<<locked>>	96%	33431	61%	**20	94%
Alliant AR-Comp 👍	<<locked>>	97%	45571	83%	**96	100%
Alliant Reloder-10x 👍	<<locked>>	93%	49371	90%	**02	100%
Alliant Reloder-7	<<locked>>	85%	48153	87%	**17	100%
Baschieri & Pellagri 106	<<locked>>	89%	48602	88%	**81	99%
Hodgdon BL-C2	<<locked>>	96%	46006	83%	**73	95%
Hodgdon Benchmark	<<locked>>	95%	48240	88%	**23	96%
Hodgdon CFE BLK	<<locked>>	86%	49443	90%	**91	95%
Hodgdon H322 👍	<<locked>>	96%	49588	90%	**28	99%
Hodgdon H335	<<locked>>	90%	48878	89%	**09	98%
Hodgdon H4198	<<locked>>	88%	49559	90%	**23	98%
Hodgdon TrailBoss	<<locked>>	94%	29501	54%	**69	100%
IMR 3031	<<locked>>	97%	38508	70%	**68	97%
IMR 4198	<<locked>>	91%	48080	87%	**43	100%
IMR 8208 XBR	<<locked>>	97%	48138	87%	**63	95%
Lovex D073.4	<<locked>>	91%	47790	87%	**36	96%
Lovex D073.5	<<locked>>	94%	49240	89%	**73	96%
Lovex D073.6	<<locked>>	97%	42424	77%	**00	96%
[Lovex S060]*	<<locked>>	96%	45919	83%	**51	93%
Norma 200	<<locked>>	89%	49530	90%	**89	100%
[Norma 201]*	<<locked>>	96%	42453	77%	**48	94%
Norma 202	<<locked>>	96%	42496	77%	**81	97%
[Ramshot Wild Boar]*	<<locked>>	97%	47601	86%	**73	93%
[Ramshot X-Terminator]*	<<locked>>	94%	49037	89%	**36	93%
ReloadSwiss RS 14	<<locked>>	94%	29196	53%	**11	100%
ReloadSwiss RS 40	<<locked>>	93%	48965	89%	**82	97%
Rottweil R 901	<<locked>>	96%	46833	85%	**40	97%
[Rottweil R 902]*	<<locked>>	96%	40292	73%	**89	93%
SNPE Vectan BA6 1/2	<<locked>>	85%	48051	87%	**77	100%
SNPE Vectan SP 10	<<locked>>	89%	48588	88%	**99	98%
SNPE Vectan Tubal 3000	<<locked>>	96%	46340	84%	**68	97%
SNPE Vectan Tubal 5000	<<locked>>	96%	37217	68%	**87	96%
Shooters World Match Rifle	<<locked>>	97%	42424	77%	**00	96%
Shooters World Tactical Rifle	<<locked>>	91%	49197	89%	**27	95%
Somchem S321	<<locked>>	94%	48747	88%	**89	96%
Somchem S335	<<locked>>	96%	44396	81%	**48	98%
[Somchem S341]*	<<locked>>	97%	45658	83%	**00	92%
Vihtavuori N120	<<locked>>	89%	48892	89%	**97	100%
Vihtavuori N130	<<locked>>	94%	48298	88%	**17	100%
Vihtavuori N133	<<locked>>	96%	41452	75%	**92	99%
Vihtavuori N135	<<locked>>	96%	31111	56%	**25	95%
Vihtavuori N140	<<locked>>	97%	40785	74%	**15	96%
Vihtavuori N530	<<locked>>	96%	49371	90%	**02	96%
Vihtavuori N540	<<locked>>	97%	40422	73%	**31	96%
Winchester 748	<<locked>>	95%	49211	89%	**41	96%
Winchester StaBALL Match	<<locked>>	93%	49269	89%	**12	95%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	92%	38841	70%	**86	90%
ADI AR 2207	<<locked>>	81%	40524	74%	**99	100%
ADI AR 2219	<<locked>>	81%	35897	65%	**40	96%
Accurate 2015	<<locked>>	81%	30255	55%	**59	96%
[Accurate 2230]*	<<locked>>	85%	36811	67%	**94	90%
[Accurate 2460]*	<<locked>>	82%	32358	59%	**12	91%
[Accurate 2495]*	<<locked>>	81%	23757	43%	**44	92%
[Accurate 2520]*	<<locked>>	85%	29776	54%	**85	90%
[Accurate 4064]*	<<locked>>	89%	26324	48%	**07	90%
Alliant AR-Comp	<<locked>>	81%	26295	48%	**17	96%
Alliant Reloder-10x	<<locked>>	81%	33736	61%	**74	98%
Alliant Reloder-7	<<locked>>	81%	41495	75%	**92	100%
Baschieri & Pellagri 106	<<locked>>	81%	36738	67%	**41	97%
[Hodgdon BL-C2]*	<<locked>>	89%	35288	64%	**27	90%
[Hodgdon Benchmark]*	<<locked>>	83%	33750	61%	**95	91%
[Hodgdon CFE BLK]*	<<locked>>	81%	41191	75%	**30	93%
[Hodgdon H322]*	<<locked>>	81%	30110	55%	**79	93%
[Hodgdon H335]*	<<locked>>	81%	34766	63%	**00	94%
Hodgdon H4198	<<locked>>	81%	39610	72%	**20	96%
Hodgdon TrailBoss	<<locked>>	81%	23844	43%	**27	100%
[IMR 3031]*	<<locked>>	84%	25237	46%	**67	91%
IMR 4198	<<locked>>	81%	35433	64%	**77	99%
[IMR 8208 XBR]*	<<locked>>	87%	34490	63%	**58	90%
[Lovex D073.4]*	<<locked>>	81%	32445	59%	**95	90%
[Lovex D073.5]*	<<locked>>	82%	32358	59%	**12	91%
[Lovex D073.6]*	<<locked>>	87%	29776	54%	**85	90%
[Lovex S060]*	<<locked>>	91%	39740	72%	**20	90%
Norma 200	<<locked>>	81%	38116	69%	**59	99%
[Norma 201]*	<<locked>>	90%	35244	64%	**81	91%
[Norma 202]*	<<locked>>	83%	27847	51%	**03	90%
[Ramshot Wild Boar]*	<<locked>>	91%	39624	72%	**99	90%
[Ramshot X-Terminator]*	<<locked>>	87%	39392	71%	**36	90%
ReloadSwiss RS 14	<<locked>>	81%	23699	43%	**70	100%
[ReloadSwiss RS 40]*	<<locked>>	81%	32401	59%	**12	91%
[Rottweil R 901]*	<<locked>>	81%	28979	53%	**07	91%
[Rottweil R 902]*	<<locked>>	92%	34824	63%	**58	90%
SNPE Vectan BA6 1/2	<<locked>>	81%	42902	78%	**99	100%
[SNPE Vectan SP 10]*	<<locked>>	81%	36201	66%	**30	94%
[SNPE Vectan Tubal 3000]*	<<locked>>	81%	28108	51%	**31	90%
[SNPE Vectan Tubal 5000]*	<<locked>>	84%	25541	46%	**56	90%
[Shooters World Match Rifle]*	<<locked>>	87%	29776	54%	**85	90%
[Shooters World Tactical Rifle]*	<<locked>>	82%	36187	66%	**54	90%
[Somchem S321]*	<<locked>>	84%	33663	61%	**54	90%
[Somchem S335]*	<<locked>>	81%	27499	50%	**31	91%
[Somchem S341]*	<<locked>>	92%	39450	72%	**66	90%
Vihtavuori N120	<<locked>>	81%	37333	68%	**87	100%
Vihtavuori N130	<<locked>>	81%	31952	58%	**62	97%
[Vihtavuori N133]*	<<locked>>	81%	26194	48%	**02	93%
[Vihtavuori N135]*	<<locked>>	87%	23801	43%	**75	91%
[Vihtavuori N140]*	<<locked>>	84%	27021	49%	**51	90%
[Vihtavuori N530]*	<<locked>>	86%	34911	63%	**84	91%
[Vihtavuori N540]*	<<locked>>	87%	29066	53%	**36	91%
[Winchester 748]*	<<locked>>	84%	32808	60%	**61	90%
[Winchester StaBALL Match]*	<<locked>>	86%	38058	69%	**72	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.