Load data for 5.7 x 28 + .223 | 55gr | Merlin Virtus

Recommended Powder(s): ADI AP 100, Alliant POWER PISTOL, Rottweil P 806, Vihtavuori 3N38, Vihtavuori N105

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:	5.7 x 28 load data
Case Length (l3):	1.134" \| 28.8mm
Cartridge Length (C.O.L.):	1.570" \| 39.9mm
Seated Depth:	0.394" \| 10.0mm
Shank Seated Depth:	0.276" \| 7.0mm
Case Capacity:	12.3 Grains of Water \| 0.80 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	50038 psi \| 3450 bar
LID:	LID_B10741_C925
Last updated:	2025-01-01
Recommended Twist Rate:	1:9 - 1:7

Load data for 124 loads in caliber 5.7 x 28 with .223 | 55gr | Merlin Virtus bullet and 62 powders such as ADI AP 100, Alliant POWER PISTOL, Rottweil P 806, Vihtavuori 3N38, Vihtavuori N105. 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 AP 100 👍	<<locked>>	96%	43990	88%	**31	100%
ADI AP 70N	<<locked>>	66%	42424	85%	**50	100%
ADI APS 350	<<locked>>	77%	43163	86%	**89	100%
ADI APS 450	<<locked>>	78%	43149	86%	**16	100%
ADI AS 30	<<locked>>	79%	44106	88%	**71	100%
ADI AS 50N	<<locked>>	74%	43091	86%	**01	100%
[Accurate 4100]*	<<locked>>	96%	44860	90%	**99	86%
Accurate No. 2	<<locked>>	73%	43250	86%	**99	100%
Accurate No. 7	<<locked>>	74%	44425	89%	**90	97%
Accurate No. 9	<<locked>>	83%	44715	89%	**03	92%
Accurate Solo 1000	<<locked>>	77%	43468	87%	**98	100%
Accurate Solo 1250	<<locked>>	82%	44657	89%	**60	100%
Accurate TCM	<<locked>>	81%	42366	85%	**57	92%
[Alliant 2400]*	<<locked>>	92%	43265	86%	**99	89%
Alliant BLUE DOT	<<locked>>	96%	43642	87%	**80	96%
Alliant BULLSEYE	<<locked>>	71%	43149	86%	**35	100%
Alliant POWER PISTOL 👍	<<locked>>	79%	43772	87%	**67	100%
Alliant UNIQUE	<<locked>>	79%	42250	84%	**19	100%
Baschieri & Pellagri 100	<<locked>>	78%	44599	89%	**07	100%
Hodgdon Clays	<<locked>>	77%	44077	88%	**09	100%
Hodgdon HS-6	<<locked>>	65%	43642	87%	**88	100%
[Hodgdon LilGun]*	<<locked>>	96%	32372	65%	**01	83%
Hodgdon Longshot	<<locked>>	62%	43569	87%	**78	100%
Hodgdon Universal	<<locked>>	73%	42424	85%	**50	100%
Hodgdon TrailBoss	<<locked>>	93%	18347	37%	**01	100%
Lovex D037.1	<<locked>>	74%	44425	89%	**90	97%
Lovex D037.2	<<locked>>	82%	44715	89%	**03	92%
Lovex S011	<<locked>>	66%	43062	86%	**24	100%
Lovex S020	<<locked>>	73%	44614	89%	**99	100%
Maxam CSB 1	<<locked>>	82%	41887	84%	**30	100%
Maxam CSB 2	<<locked>>	80%	44570	89%	**53	100%
Maxam CSB 3	<<locked>>	78%	41843	84%	**01	100%
Maxam CSB 4	<<locked>>	76%	42293	85%	**85	100%
Maxam CSB 5	<<locked>>	72%	41640	83%	**25	100%
Ramshot Enforcer	<<locked>>	93%	44686	89%	**39	91%
Ramshot Silhouette	<<locked>>	65%	42250	84%	**26	100%
ReloadSwiss RS 12	<<locked>>	70%	44889	90%	**40	100%
ReloadSwiss RS 14	<<locked>>	96%	18376	37%	**33	100%
ReloadSwiss RS 20	<<locked>>	81%	44425	89%	**32	100%
ReloadSwiss RS 24	<<locked>>	80%	43468	87%	**70	98%
Rottweil P 801	<<locked>>	64%	42061	84%	**78	100%
Rottweil P 806 👍	<<locked>>	84%	44802	90%	**77	100%
SNPE Vectan A0	<<locked>>	82%	42061	84%	**80	100%
SNPE Vectan BA 9	<<locked>>	76%	43352	87%	**57	100%
SNPE Vectan BA10	<<locked>>	73%	43134	86%	**16	100%
SNPE Vectan BA7 1/2	<<locked>>	88%	43830	88%	**65	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	45005	90%	**76	100%
Shooters World Heavy Pistol	<<locked>>	82%	44715	89%	**03	92%
Shooters World Major Pistol	<<locked>>	74%	44425	89%	**90	97%
Somchem MP200	<<locked>>	74%	44005	88%	**42	100%
Somchem MS200	<<locked>>	78%	42438	85%	**93	100%
Somchem S221	<<locked>>	67%	42815	86%	**24	99%
Vihtavuori 3N37	<<locked>>	81%	44657	89%	**98	100%
Vihtavuori 3N38 👍	<<locked>>	91%	43758	87%	**60	99%
Vihtavuori N105 👍	<<locked>>	95%	41133	82%	**70	100%
Vihtavuori N310	<<locked>>	64%	43772	87%	**19	100%
Vihtavuori N320	<<locked>>	73%	42801	86%	**91	100%
Vihtavuori N32C Tin Star	<<locked>>	94%	38130	76%	**66	100%
Vihtavuori N330	<<locked>>	75%	43729	87%	**67	100%
Vihtavuori N340	<<locked>>	79%	44541	89%	**16	100%
Vihtavuori N350	<<locked>>	83%	43468	87%	**72	100%
Winchester 231	<<locked>>	64%	43714	87%	**47	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 100	<<locked>>	62%	18434	37%	**65	92%
ADI AP 70N	<<locked>>	60%	36492	73%	**85	100%
ADI APS 350	<<locked>>	61%	30516	61%	**29	100%
ADI APS 450	<<locked>>	60%	28427	57%	**35	100%
ADI AS 30	<<locked>>	60%	28790	58%	**71	100%
ADI AS 50N	<<locked>>	60%	30966	62%	**53	100%
[Accurate 4100]*	<<locked>>	89%	34867	70%	**55	81%
Accurate No. 2	<<locked>>	62%	30182	60%	**32	100%
Accurate No. 7	<<locked>>	61%	28224	56%	**30	90%
[Accurate No. 9]*	<<locked>>	64%	23873	48%	**39	81%
Accurate Solo 1000	<<locked>>	60%	28471	57%	**04	100%
Accurate Solo 1250	<<locked>>	62%	26977	54%	**40	100%
[Accurate TCM]*	<<locked>>	62%	22466	45%	**93	81%
[Alliant 2400]*	<<locked>>	78%	28137	56%	**37	81%
[Alliant BLUE DOT]*	<<locked>>	65%	18884	38%	**01	81%
Alliant BULLSEYE	<<locked>>	62%	33982	68%	**11	100%
Alliant POWER PISTOL	<<locked>>	61%	26455	53%	**85	97%
Alliant UNIQUE	<<locked>>	60%	26614	53%	**89	100%
Baschieri & Pellagri 100	<<locked>>	62%	29588	59%	**24	100%
Hodgdon Clays	<<locked>>	61%	31082	62%	**52	100%
Hodgdon HS-6	<<locked>>	61%	38305	77%	**19	100%
[Hodgdon LilGun]*	<<locked>>	92%	28543	57%	**29	80%
Hodgdon Longshot	<<locked>>	60%	40553	81%	**35	100%
Hodgdon Universal	<<locked>>	61%	30835	62%	**99	100%
Hodgdon TrailBoss	<<locked>>	64%	10762	21%	**4	100%
Lovex D037.1	<<locked>>	61%	28224	56%	**30	90%
[Lovex D037.2]*	<<locked>>	64%	23873	48%	**39	81%
Lovex S011	<<locked>>	60%	36651	73%	**48	100%
Lovex S020	<<locked>>	62%	32039	64%	**45	100%
Maxam CSB 1	<<locked>>	63%	25817	52%	**11	100%
Maxam CSB 2	<<locked>>	61%	27383	55%	**37	100%
Maxam CSB 3	<<locked>>	61%	27746	55%	**17	100%
Maxam CSB 4	<<locked>>	62%	30385	61%	**34	100%
Maxam CSB 5	<<locked>>	61%	32329	65%	**14	100%
[Ramshot Enforcer]*	<<locked>>	78%	27108	54%	**44	81%
Ramshot Silhouette	<<locked>>	61%	36666	73%	**60	100%
ReloadSwiss RS 12	<<locked>>	61%	35781	72%	**29	100%
ReloadSwiss RS 14	<<locked>>	62%	9993	20%	**7	100%
ReloadSwiss RS 20	<<locked>>	61%	25541	51%	**76	100%
ReloadSwiss RS 24	<<locked>>	61%	23815	48%	**25	90%
Rottweil P 801	<<locked>>	61%	39117	78%	**39	100%
Rottweil P 806	<<locked>>	60%	20639	41%	**83	98%
SNPE Vectan A0	<<locked>>	61%	24598	49%	**30	100%
SNPE Vectan BA 9	<<locked>>	62%	29849	60%	**89	100%
SNPE Vectan BA10	<<locked>>	63%	34011	68%	**07	100%
SNPE Vectan BA7 1/2	<<locked>>	61%	21669	43%	**11	98%
SNPE Vectan BA9 1/2	<<locked>>	60%	28442	57%	**66	100%
[Shooters World Heavy Pistol]*	<<locked>>	64%	23873	48%	**39	81%
Shooters World Major Pistol	<<locked>>	61%	28224	56%	**30	90%
Somchem MP200	<<locked>>	61%	30443	61%	**58	100%
Somchem MS200	<<locked>>	60%	26484	53%	**63	100%
Somchem S221	<<locked>>	62%	35389	71%	**22	98%
Vihtavuori 3N37	<<locked>>	61%	24787	50%	**99	100%
[Vihtavuori 3N38]*	<<locked>>	62%	18869	38%	**04	87%
[Vihtavuori N105]*	<<locked>>	60%	13953	28%	**02	84%
Vihtavuori N310	<<locked>>	60%	40263	80%	**83	100%
Vihtavuori N320	<<locked>>	60%	30095	60%	**40	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	19711	39%	**07	100%
Vihtavuori N330	<<locked>>	60%	28877	58%	**76	100%
Vihtavuori N340	<<locked>>	62%	27528	55%	**93	100%
Vihtavuori N350	<<locked>>	62%	23409	47%	**66	100%
Winchester 231	<<locked>>	62%	40509	81%	**11	100%

Start Load - Barrel Length: 5.50''

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.