Load data for .357 SIG + .356 | 121gr | Hornady HAP

Recommended Powder(s):

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.356 \| 121gr \| Hornady HAP
Manufacturer SKU:	35530B
Bullet Weight:	121gr \| 7.8g
Bullet Diameter:	0.356" \| 9.04mm
Bullet Length:	0.612" \| 15.5mm
Caliber:	.357 SIG load data
Case Length (l3):	0.860" \| 21.8mm
Cartridge Length (C.O.L.):	1.123" \| 28.5mm
Seated Depth:	0.349" \| 8.9mm
Shank Seated Depth:	0.349" \| 8.9mm
Case Capacity:	19.5 Grains of Water \| 1.27 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	44237 psi \| 3050 bar
LID:	LID_B2775_C518
Last updated:	2025-01-01

Load data for 122 loads in caliber .357 SIG with .356 | 121gr | Hornady HAP bullet and 61 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".

Go to the bottom of the "Dashboard " page to set the measure system (imperial vs. metric)
No data yet
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 AP 100]*	<<locked>>	95%	22408	51%	**71	85%
ADI AP 70N	<<locked>>	83%	38711	88%	**55	100%
ADI APS 350	<<locked>>	88%	39668	90%	**55	100%
ADI APS 450	<<locked>>	90%	39247	89%	**88	100%
ADI AS 30	<<locked>>	94%	39015	88%	**43	100%
ADI AS 50N	<<locked>>	88%	37855	86%	**76	100%
Accurate No. 2	<<locked>>	89%	39073	88%	**45	100%
Accurate No. 5	<<locked>>	76%	39740	90%	**50	96%
[Accurate No. 7]*	<<locked>>	94%	38072	86%	**67	83%
Accurate Solo 1000	<<locked>>	93%	39726	90%	**73	100%
Accurate Solo 1250	<<locked>>	97%	36753	83%	**06	100%
Alliant BULLSEYE 👍	<<locked>>	87%	38624	87%	**98	100%
Alliant POWER PISTOL	<<locked>>	96%	35592	80%	**44	92%
Alliant UNIQUE	<<locked>>	97%	35433	80%	**75	100%
Baschieri & Pellagri 100	<<locked>>	94%	39117	88%	**73	100%
Hodgdon Clays	<<locked>>	85%	37869	86%	**48	100%
Hodgdon HP38	<<locked>>	69%	38247	86%	**02	100%
Hodgdon HS-6	<<locked>>	80%	37652	85%	**07	97%
Hodgdon Longshot	<<locked>>	78%	38406	87%	**21	99%
Hodgdon TiteGroup	<<locked>>	63%	37710	85%	**47	100%
Hodgdon Universal	<<locked>>	92%	38711	88%	**55	100%
Hodgdon TrailBoss	<<locked>>	93%	10008	23%	**1	100%
Lovex D032	<<locked>>	63%	39697	90%	**12	100%
Lovex D036	<<locked>>	76%	39668	90%	**47	96%
[Lovex D037.1]*	<<locked>>	94%	38072	86%	**67	83%
Lovex S011	<<locked>>	81%	39668	90%	**99	100%
Lovex S020 👍	<<locked>>	90%	38247	86%	**62	100%
Maxam CSB 1	<<locked>>	95%	32242	73%	**53	100%
Maxam CSB 2	<<locked>>	95%	33895	77%	**99	100%
Maxam CSB 3	<<locked>>	95%	37014	84%	**89	100%
Maxam CSB 4	<<locked>>	94%	39291	89%	**89	100%
Maxam CSB 5	<<locked>>	86%	37710	85%	**20	100%
Ramshot Silhouette 👍	<<locked>>	83%	39204	89%	**07	100%
Ramshot True Blue	<<locked>>	77%	39117	88%	**21	99%
Ramshot Zip	<<locked>>	70%	38827	88%	**22	100%
ReloadSwiss RS 12	<<locked>>	86%	37623	85%	**16	100%
ReloadSwiss RS 14	<<locked>>	95%	9413	21%	**4	98%
ReloadSwiss RS 20	<<locked>>	95%	32518	73%	**45	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	32068	72%	**71	83%
Rottweil P 801	<<locked>>	80%	37652	85%	**80	100%
Rottweil P 806	<<locked>>	97%	23873	54%	**25	93%
SNPE Vectan A0	<<locked>>	95%	32866	74%	**83	100%
SNPE Vectan BA 9 👍	<<locked>>	92%	38928	88%	**29	100%
SNPE Vectan BA10	<<locked>>	84%	39218	89%	**88	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	28660	65%	**60	95%
SNPE Vectan BA9 1/2	<<locked>>	94%	38609	87%	**39	100%
Shooters World Auto Pistol	<<locked>>	76%	39668	90%	**47	96%
Shooters World Clean Shot	<<locked>>	63%	39697	90%	**12	100%
[Shooters World Major Pistol]*	<<locked>>	94%	38072	86%	**67	83%
Shooters World Ultimate Pistol	<<locked>>	63%	39813	90%	**04	100%
Somchem MP200	<<locked>>	91%	38203	86%	**88	100%
Somchem MS200 👍	<<locked>>	96%	37347	84%	**55	100%
Somchem S221	<<locked>>	87%	39813	90%	**60	91%
Vihtavuori 3N37	<<locked>>	95%	33156	75%	**62	98%
Vihtavuori N310	<<locked>>	75%	39030	88%	**94	100%
Vihtavuori N320	<<locked>>	90%	38232	86%	**86	100%
Vihtavuori N32C Tin Star	<<locked>>	97%	23540	53%	**50	100%
Vihtavuori N330	<<locked>>	93%	38174	86%	**48	100%
Vihtavuori N340	<<locked>>	96%	37797	85%	**62	100%
Vihtavuori N350	<<locked>>	96%	31067	70%	**29	97%
Winchester 231	<<locked>>	78%	38827	88%	**22	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	86%	17869	40%	**70	81%
ADI AP 70N	<<locked>>	61%	21292	48%	**09	100%
ADI APS 350	<<locked>>	62%	22220	50%	**8	100%
ADI APS 450	<<locked>>	60%	19725	45%	**2	100%
ADI AS 30	<<locked>>	60%	18188	41%	**1	100%
ADI AS 50N	<<locked>>	62%	19522	44%	**27	100%
Accurate No. 2	<<locked>>	61%	16766	38%	**7	92%
[Accurate No. 5]*	<<locked>>	60%	23598	53%	**98	88%
[Accurate No. 7]*	<<locked>>	90%	32430	73%	**94	81%
Accurate Solo 1000	<<locked>>	62%	18942	43%	**7	100%
Accurate Solo 1250	<<locked>>	60%	14011	32%	**8	98%
Alliant BULLSEYE	<<locked>>	61%	19319	44%	**89	97%
[Alliant POWER PISTOL]*	<<locked>>	73%	18724	42%	**29	81%
Alliant UNIQUE	<<locked>>	61%	14127	32%	**4	93%
Baschieri & Pellagri 100	<<locked>>	60%	16215	37%	**5	100%
Hodgdon Clays	<<locked>>	62%	22394	51%	**5	100%
Hodgdon HP38	<<locked>>	62%	30066	68%	**11	100%
[Hodgdon HS-6]*	<<locked>>	62%	20218	46%	**22	88%
Hodgdon Longshot	<<locked>>	61%	21553	49%	**55	92%
Hodgdon TiteGroup	<<locked>>	61%	35578	80%	**24	100%
Hodgdon Universal	<<locked>>	61%	17289	39%	**30	100%
Hodgdon TrailBoss	<<locked>>	74%	7107	16%	**6	98%
Lovex D032	<<locked>>	62%	36898	83%	**83	100%
[Lovex D036]*	<<locked>>	60%	23554	53%	**94	88%
[Lovex D037.1]*	<<locked>>	90%	32430	73%	**94	81%
Lovex S011	<<locked>>	62%	23453	53%	**99	100%
Lovex S020	<<locked>>	61%	16027	36%	**10	97%
Maxam CSB 1	<<locked>>	61%	13547	31%	**2	98%
Maxam CSB 2	<<locked>>	62%	13750	31%	**1	100%
Maxam CSB 3	<<locked>>	62%	16665	38%	**8	100%
Maxam CSB 4	<<locked>>	61%	17448	39%	**4	100%
Maxam CSB 5	<<locked>>	60%	19798	45%	**8	100%
Ramshot Silhouette	<<locked>>	61%	20233	46%	**15	95%
Ramshot True Blue	<<locked>>	61%	23192	52%	**78	93%
Ramshot Zip	<<locked>>	61%	29124	66%	**07	100%
ReloadSwiss RS 12	<<locked>>	61%	18173	41%	**53	100%
ReloadSwiss RS 14	<<locked>>	73%	6454	15%	**6	94%
ReloadSwiss RS 20	<<locked>>	60%	12314	28%	**8	93%
[ReloadSwiss RS 24]*	<<locked>>	90%	27862	63%	**99	81%
Rottweil P 801	<<locked>>	60%	21538	49%	**76	100%
[Rottweil P 806]*	<<locked>>	78%	13140	30%	**60	81%
SNPE Vectan A0	<<locked>>	61%	13967	32%	**8	92%
SNPE Vectan BA 9	<<locked>>	61%	16940	38%	**4	98%
SNPE Vectan BA10	<<locked>>	61%	22858	52%	**7	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	64%	12502	28%	**6	80%
SNPE Vectan BA9 1/2	<<locked>>	60%	16157	37%	**1	99%
[Shooters World Auto Pistol]*	<<locked>>	60%	23554	53%	**94	88%
Shooters World Clean Shot	<<locked>>	62%	36898	83%	**83	100%
[Shooters World Major Pistol]*	<<locked>>	90%	32430	73%	**94	81%
Shooters World Ultimate Pistol	<<locked>>	62%	37608	85%	**75	100%
Somchem MP200	<<locked>>	61%	16940	38%	**33	94%
Somchem MS200	<<locked>>	62%	16027	36%	**7	96%
[Somchem S221]*	<<locked>>	69%	22263	50%	**78	81%
[Vihtavuori 3N37]*	<<locked>>	61%	12227	28%	**5	82%
Vihtavuori N310	<<locked>>	62%	27340	62%	**70	100%
Vihtavuori N320	<<locked>>	61%	17434	39%	**07	100%
Vihtavuori N32C Tin Star	<<locked>>	63%	10443	24%	**4	100%
Vihtavuori N330	<<locked>>	62%	15679	35%	**17	100%
Vihtavuori N340	<<locked>>	61%	14388	33%	**5	93%
[Vihtavuori N350]*	<<locked>>	60%	11052	25%	**9	80%
Winchester 231	<<locked>>	62%	24018	54%	**32	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