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

Recommended Powder(s):

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:	<<locked>>
Caliber:	5.7 x 28 load data
Case Length (l3):	1.134" \| 28.8mm
Cartridge Length (C.O.L.):	<<locked>>
Seated Depth:	<<locked>>
Shank Seated Depth:	<<locked>>
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:	2026-01-21
Recommended Twist Rate:	1:9 - 1:7

Load data for 134 loads in caliber 5.7 x 28 with .223 | 55gr | Merlin Virtus bullet and 67 powder(s). 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 AP 100	<<locked>>	96%	43990	88%	**31	100%
ADI AP 70N	<<locked>>	67%	43961	88%	**76	100%
ADI APS 350	<<locked>>	79%	44759	89%	**02	100%
ADI APS 450	<<locked>>	80%	44657	89%	**35	100%
ADI AS 30	<<locked>>	79%	44106	88%	**71	100%
ADI AS 50N	<<locked>>	75%	44817	90%	**24	100%
[Accurate 4100]*	<<locked>>	96%	44860	90%	**99	86%
Accurate No. 2	<<locked>>	75%	44933	90%	**12	100%
Accurate No. 7	<<locked>>	74%	44425	89%	**90	97%
Accurate No. 9	<<locked>>	83%	44715	89%	**03	92%
Accurate Solo 1000	<<locked>>	79%	44918	90%	**07	100%
Accurate Solo 1250	<<locked>>	82%	44657	89%	**60	100%
Accurate TCM	<<locked>>	82%	43627	87%	**77	93%
[Alliant 2400]*	<<locked>>	93%	44498	89%	**19	89%
Alliant BLUE DOT	<<locked>>	97%	44962	90%	**03	96%
Alliant BULLSEYE	<<locked>>	72%	44599	89%	**45	100%
Alliant POWER PISTOL 👍	<<locked>>	79%	43772	87%	**67	100%
Alliant Sport Pistol	<<locked>>	67%	44831	90%	**52	100%
Alliant UNIQUE	<<locked>>	80%	43932	88%	**42	100%
Baschieri & Pellagri 100	<<locked>>	78%	44599	89%	**07	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	96%	44353	89%	**11	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	73%	44280	88%	**24	100%
Hodgdon Clays	<<locked>>	77%	44077	88%	**09	100%
Hodgdon HS-6	<<locked>>	66%	45020	90%	**04	100%
[Hodgdon LilGun]*	<<locked>>	97%	33794	68%	**17	84%
Hodgdon Longshot	<<locked>>	63%	44991	90%	**94	100%
Hodgdon Universal	<<locked>>	74%	43961	88%	**76	100%
Hodgdon CFE Pistol	<<locked>>	77%	44947	90%	**80	100%
Hodgdon TrailBoss	<<locked>>	95%	19189	38%	**17	100%
Lovex D037.1	<<locked>>	74%	44425	89%	**90	97%
Lovex D037.2	<<locked>>	82%	44715	89%	**03	92%
Lovex S011	<<locked>>	68%	44759	89%	**37	100%
Lovex S020	<<locked>>	73%	44614	89%	**99	100%
Maxam CSB 1	<<locked>>	84%	43468	87%	**44	100%
Maxam CSB 2	<<locked>>	80%	44570	89%	**53	100%
Maxam CSB 3	<<locked>>	80%	43468	87%	**24	100%
Maxam CSB 4	<<locked>>	78%	43976	88%	**07	100%
Maxam CSB 5	<<locked>>	74%	43221	86%	**48	100%
Ramshot Enforcer	<<locked>>	93%	44686	89%	**39	91%
Ramshot Silhouette	<<locked>>	66%	43932	88%	**45	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>>	82%	44831	90%	**90	98%
Rottweil P 801	<<locked>>	65%	43758	87%	**94	100%
Rottweil P 806 👍	<<locked>>	84%	44802	90%	**77	100%
SNPE Vectan A0	<<locked>>	84%	43729	87%	**90	100%
SNPE Vectan BA 9	<<locked>>	77%	44657	89%	**73	100%
SNPE Vectan BA10	<<locked>>	75%	44643	89%	**35	100%
SNPE Vectan BA7 1/2	<<locked>>	88%	43830	88%	**65	100%
SNPE Vectan BA9 1/2	<<locked>>	78%	45005	90%	**76	100%
SNPE Vectan SP 2	<<locked>>	73%	44135	88%	**70	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>>	79%	44034	88%	**06	100%
Somchem S221 👍	<<locked>>	68%	44222	88%	**50	100%
Vihtavuori 3N37	<<locked>>	81%	44657	89%	**98	100%
Vihtavuori 3N38 👍	<<locked>>	92%	44889	90%	**63	99%
Vihtavuori N105 👍	<<locked>>	96%	42685	85%	**80	100%
Vihtavuori N310	<<locked>>	64%	43772	87%	**19	100%
Vihtavuori N320	<<locked>>	75%	44759	89%	**17	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	39581	79%	**80	100%
Vihtavuori N330	<<locked>>	75%	43729	87%	**67	100%
Vihtavuori N340	<<locked>>	79%	44541	89%	**16	100%
Vihtavuori N350	<<locked>>	84%	45020	90%	**94	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>>	88%	34055	68%	**35	80%
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>>	61%	21712	43%	**76	80%
[Alliant 2400]*	<<locked>>	77%	27354	55%	**27	80%
[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 Sport Pistol	<<locked>>	61%	37057	74%	**57	100%
Alliant UNIQUE	<<locked>>	60%	26614	53%	**89	100%
Baschieri & Pellagri 100	<<locked>>	62%	29588	59%	**24	100%
Baschieri & Pellagri 102 Pistol	<<locked>>	60%	18579	37%	**56	100%
Baschieri & Pellagri 103 Pistol	<<locked>>	61%	31067	62%	**66	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 CFE Pistol	<<locked>>	62%	29921	60%	**93	100%
Hodgdon TrailBoss	<<locked>>	81%	14997	30%	**8	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>>	77%	26353	53%	**17	80%
Ramshot Silhouette	<<locked>>	61%	36666	73%	**60	100%
ReloadSwiss RS 12	<<locked>>	61%	35781	72%	**29	100%
ReloadSwiss RS 14	<<locked>>	79%	13895	28%	**8	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%
SNPE Vectan SP 2	<<locked>>	60%	28761	57%	**34	99%
[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.

<<locked>>... you need to buy an access license to unlock the data