Load data for .350 Mag. Rigby + .355 | 170gr | Hornady Interlock SP

Recommended Powder(s): Accurate 2495, Accurate 4064, Hodgdon H322, IMR 3031

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 170gr \| Hornady Interlock SP
Manufacturer SKU:	3501
Bullet Weight:	170gr \| 11.0g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.890" \| 22.6mm
Caliber:	.350 Mag. Rigby load data
Case Length (l3):	2.750" \| 69.8mm
Cartridge Length (C.O.L.):	3.368" \| 85.5mm
Seated Depth:	0.272" \| 6.9mm
Shank Seated Depth:	0.272" \| 6.9mm
Case Capacity:	91.1 Grains of Water \| 5.92 cm³
Primer Size:	Large Rifle Magnum (LRM)
Max. allowed Pressure:	44962 psi \| 3100 bar
LID:	LID_B10720_C501
Last updated:	2025-01-01

Load data for 104 loads in caliber .350 Mag. Rigby with .355 | 170gr | Hornady Interlock SP bullet and 52 powders such as Accurate 2495, Accurate 4064, Hodgdon H322, IMR 3031. 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 AR 2206H]*	<<locked>>	87%	40466	90%	**84	94%
[ADI AR 2208]*	<<locked>>	92%	40393	90%	**54	93%
Accurate 2015	<<locked>>	83%	39958	89%	**35	100%
[Accurate 2200]*	<<locked>>	85%	40074	89%	**28	92%
Accurate 2495 👍	<<locked>>	88%	40219	89%	**17	100%
Accurate 2520	<<locked>>	87%	40277	90%	**04	98%
Accurate 4064 👍	<<locked>>	94%	40059	89%	**10	99%
Alliant AR-Comp	<<locked>>	86%	40263	90%	**17	100%
Alliant Reloder- TS 15.5	<<locked>>	93%	40045	89%	**97	95%
[Alliant Reloder-15]*	<<locked>>	91%	40118	89%	**00	93%
[Alliant Reloder-17]*	<<locked>>	97%	40364	90%	**63	94%
[Baschieri & Pellagri 107]*	<<locked>>	87%	40161	89%	**81	92%
Hodgdon BL-C2	<<locked>>	86%	39943	89%	**10	96%
[Hodgdon CFE223]*	<<locked>>	91%	40205	89%	**13	92%
Hodgdon H322 👍	<<locked>>	83%	40335	90%	**84	99%
[Hodgdon VARGET]*	<<locked>>	92%	40263	90%	**58	93%
Hodgdon TrailBoss	<<locked>>	96%	31502	70%	**80	100%
IMR 3031 👍	<<locked>>	91%	40074	89%	**36	99%
[IMR 4064]*	<<locked>>	93%	40422	90%	**54	93%
[IMR 4895]*	<<locked>>	90%	40089	89%	**20	94%
IMR 8208 XBR	<<locked>>	85%	40147	89%	**61	96%
Lovex D073.6	<<locked>>	89%	40277	90%	**04	98%
[Lovex S060]*	<<locked>>	86%	40466	90%	**15	94%
Lovex S062	<<locked>>	91%	40335	90%	**81	96%
Norma 201	<<locked>>	88%	40219	89%	**61	96%
Norma 202	<<locked>>	88%	40379	90%	**90	98%
[Norma 203B]*	<<locked>>	91%	40437	90%	**07	94%
[Ramshot Big Game]*	<<locked>>	91%	40176	89%	**10	94%
[Ramshot Wild Boar]*	<<locked>>	86%	40335	90%	**94	94%
ReloadSwiss RS 14	<<locked>>	96%	31415	70%	**19	100%
ReloadSwiss RS 52	<<locked>>	92%	40059	89%	**46	96%
[ReloadSwiss RS 60]*	<<locked>>	97%	39276	87%	**46	94%
Rottweil R 901	<<locked>>	85%	39929	89%	**44	98%
Rottweil R 902	<<locked>>	90%	40234	89%	**51	96%
Rottweil R 903	<<locked>>	96%	39842	89%	**04	95%
[SNPE Vectan SP 11]*	<<locked>>	94%	40277	90%	**20	94%
[SNPE Vectan SP 9]*	<<locked>>	88%	40277	90%	**77	94%
SNPE Vectan Tubal 3000	<<locked>>	86%	39900	89%	**92	98%
SNPE Vectan Tubal 5000	<<locked>>	92%	40277	90%	**08	99%
Shooters World Match Rifle	<<locked>>	89%	40277	90%	**04	98%
Shooters World Precision	<<locked>>	91%	40335	90%	**81	96%
Somchem S335	<<locked>>	87%	40364	90%	**15	99%
[Somchem S341]*	<<locked>>	87%	40306	90%	**67	94%
Somchem S355	<<locked>>	95%	40059	89%	**90	95%
Vihtavuori N133	<<locked>>	88%	40234	89%	**08	100%
Vihtavuori N135	<<locked>>	96%	40089	89%	**81	100%
Vihtavuori N140	<<locked>>	90%	40451	90%	**67	99%
Vihtavuori N150	<<locked>>	97%	35650	79%	**62	95%
Vihtavuori N530	<<locked>>	83%	39958	89%	**67	96%
Vihtavuori N540	<<locked>>	90%	40306	90%	**81	98%
[Winchester 6.5 StaBALL]*	<<locked>>	97%	38319	85%	**95	93%
Winchester 748	<<locked>>	84%	40103	89%	**17	97%

Max Load - Barrel Length: 23.60''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AR 2206H]*	<<locked>>	81%	33011	73%	**97	91%
[ADI AR 2208]*	<<locked>>	86%	33663	75%	**90	90%
Accurate 2015	<<locked>>	81%	37376	83%	**85	100%
[Accurate 2200]*	<<locked>>	82%	36332	81%	**36	90%
Accurate 2495	<<locked>>	81%	30632	68%	**97	98%
Accurate 2520	<<locked>>	81%	32532	72%	**26	95%
[Accurate 4064]*	<<locked>>	81%	25628	57%	**26	93%
Alliant AR-Comp	<<locked>>	81%	33214	74%	**69	100%
[Alliant Reloder- TS 15.5]*	<<locked>>	84%	29037	65%	**15	90%
[Alliant Reloder-15]*	<<locked>>	85%	33228	74%	**20	90%
[Alliant Reloder-17]*	<<locked>>	92%	33547	75%	**72	90%
[Baschieri & Pellagri 107]*	<<locked>>	83%	34882	78%	**59	90%
[Hodgdon BL-C2]*	<<locked>>	81%	32895	73%	**36	93%
[Hodgdon CFE223]*	<<locked>>	88%	36260	81%	**18	90%
Hodgdon H322	<<locked>>	81%	37086	82%	**08	98%
[Hodgdon VARGET]*	<<locked>>	87%	33765	75%	**97	90%
Hodgdon TrailBoss	<<locked>>	81%	24743	55%	**22	100%
IMR 3031	<<locked>>	81%	28732	64%	**48	96%
[IMR 4064]*	<<locked>>	87%	33098	74%	**77	90%
[IMR 4895]*	<<locked>>	83%	31299	70%	**90	90%
[IMR 8208 XBR]*	<<locked>>	81%	35201	78%	**36	94%
[Lovex D073.6]*	<<locked>>	81%	30356	68%	**57	94%
[Lovex S060]*	<<locked>>	81%	34461	77%	**71	92%
[Lovex S062]*	<<locked>>	81%	28485	63%	**66	91%
[Norma 201]*	<<locked>>	81%	31879	71%	**54	93%
Norma 202	<<locked>>	81%	31908	71%	**84	96%
[Norma 203B]*	<<locked>>	84%	31647	70%	**87	90%
[Ramshot Big Game]*	<<locked>>	85%	33025	73%	**26	90%
[Ramshot Wild Boar]*	<<locked>>	81%	33982	76%	**30	91%
ReloadSwiss RS 14	<<locked>>	81%	24801	55%	**62	100%
[ReloadSwiss RS 52]*	<<locked>>	82%	27615	61%	**02	90%
[ReloadSwiss RS 60]*	<<locked>>	91%	32387	72%	**40	90%
Rottweil R 901	<<locked>>	81%	34969	78%	**23	96%
[Rottweil R 902]*	<<locked>>	81%	30124	67%	**92	91%
[Rottweil R 903]*	<<locked>>	87%	29559	66%	**41	90%
[SNPE Vectan SP 11]*	<<locked>>	88%	33112	74%	**36	90%
[SNPE Vectan SP 9]*	<<locked>>	81%	31705	71%	**61	90%
SNPE Vectan Tubal 3000	<<locked>>	81%	34301	76%	**64	96%
SNPE Vectan Tubal 5000	<<locked>>	81%	27615	61%	**97	95%
[Shooters World Match Rifle]*	<<locked>>	81%	30356	68%	**57	94%
[Shooters World Precision]*	<<locked>>	81%	28485	63%	**66	91%
Somchem S335	<<locked>>	81%	33446	74%	**61	97%
[Somchem S341]*	<<locked>>	81%	32518	72%	**71	90%
[Somchem S355]*	<<locked>>	86%	30081	67%	**31	90%
Vihtavuori N133	<<locked>>	81%	31836	71%	**18	98%
[Vihtavuori N135]*	<<locked>>	81%	24004	53%	**54	94%
Vihtavuori N140	<<locked>>	81%	29849	66%	**08	95%
[Vihtavuori N150]*	<<locked>>	88%	26542	59%	**10	90%
Vihtavuori N530	<<locked>>	81%	36854	82%	**95	95%
[Vihtavuori N540]*	<<locked>>	81%	29414	65%	**12	94%
[Winchester 6.5 StaBALL]*	<<locked>>	92%	32416	72%	**41	90%
Winchester 748	<<locked>>	81%	36376	81%	**28	95%

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.

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