Load data for 9 x 21 + .355 | 125gr | Sierra FMJ RN SportsMaster

Recommended Powder(s): Accurate Solo 1250, Alliant BULLSEYE, Alliant UNIQUE, ReloadSwiss RS 20, Vihtavuori N340

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 125gr \| Sierra FMJ RN SportsMaster
Manufacturer SKU:	8120
Bullet Weight:	125gr \| 8.1g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.581" \| 14.8mm
Caliber:	9 x 21 load data
Case Length (l3):	0.830" \| 21.1mm
Cartridge Length (C.O.L.):	1.154" \| 29.3mm
Seated Depth:	0.257" \| 6.5mm
Shank Seated Depth:	0.257" \| 6.5mm
Case Capacity:	15.5 Grains of Water \| 1.01 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B5938_C1232
Last updated:	2025-01-01

Load data for 106 loads in caliber 9 x 21 with .355 | 125gr | Sierra FMJ RN SportsMaster bullet and 53 powders such as Accurate Solo 1250, Alliant BULLSEYE, Alliant UNIQUE, ReloadSwiss RS 20, Vihtavuori N340. 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%	20784	61%	**60	82%
ADI AP 70N	<<locked>>	78%	30560	90%	**81	100%
ADI APS 350	<<locked>>	77%	30066	88%	**4	100%
ADI APS 450	<<locked>>	78%	28631	84%	**04	100%
ADI AS 30	<<locked>>	82%	28500	84%	**53	100%
ADI AS 50N	<<locked>>	82%	30501	89%	**15	100%
Accurate No. 2	<<locked>>	84%	30037	88%	**52	98%
Accurate No. 5	<<locked>>	70%	29834	88%	**17	91%
Accurate Solo 1000	<<locked>>	83%	29892	88%	**89	100%
Accurate Solo 1250 👍	<<locked>>	93%	30298	89%	**58	100%
Alliant BULLSEYE 👍	<<locked>>	81%	30356	89%	**07	100%
[Alliant POWER PISTOL]*	<<locked>>	93%	29269	86%	**47	88%
Alliant UNIQUE 👍	<<locked>>	94%	30472	89%	**27	100%
Baschieri & Pellagri 100	<<locked>>	86%	30240	89%	**99	100%
Hodgdon Clays	<<locked>>	77%	30356	89%	**01	100%
Hodgdon HP38	<<locked>>	64%	29892	88%	**32	100%
Hodgdon HS-6	<<locked>>	76%	30023	88%	**07	93%
Hodgdon Longshot	<<locked>>	73%	30168	89%	**17	95%
Hodgdon Universal	<<locked>>	86%	30560	90%	**81	100%
Hodgdon TrailBoss	<<locked>>	93%	9137	27%	**2	100%
Lovex D036	<<locked>>	70%	29791	87%	**17	91%
Lovex S011	<<locked>>	73%	30327	89%	**19	100%
Lovex S020	<<locked>>	85%	30124	88%	**84	100%
Maxam CSB 1	<<locked>>	97%	30414	89%	**55	100%
Maxam CSB 2	<<locked>>	94%	29254	86%	**71	100%
Maxam CSB 3	<<locked>>	90%	30414	89%	**32	100%
Maxam CSB 4	<<locked>>	85%	29965	88%	**06	100%
Maxam CSB 5	<<locked>>	78%	28877	85%	**50	100%
Ramshot Silhouette	<<locked>>	76%	29776	87%	**98	99%
Ramshot True Blue	<<locked>>	71%	29269	86%	**98	95%
Ramshot Zip	<<locked>>	64%	28732	84%	**25	100%
ReloadSwiss RS 12	<<locked>>	83%	30429	89%	**68	100%
ReloadSwiss RS 14	<<locked>>	97%	8702	26%	**5	97%
ReloadSwiss RS 20 👍	<<locked>>	96%	29399	86%	**17	100%
Rottweil P 801	<<locked>>	74%	28689	84%	**09	100%
[Rottweil P 806]*	<<locked>>	96%	19566	57%	**58	88%
SNPE Vectan A0	<<locked>>	95%	30211	89%	**58	99%
SNPE Vectan BA 9	<<locked>>	85%	30066	88%	**42	100%
SNPE Vectan BA10	<<locked>>	73%	28616	84%	**04	100%
SNPE Vectan BA7 1/2	<<locked>>	96%	25875	76%	**32	92%
SNPE Vectan BA9 1/2	<<locked>>	86%	28964	85%	**45	100%
Shooters World Auto Pistol	<<locked>>	70%	29791	87%	**17	91%
Somchem MP200	<<locked>>	85%	29965	88%	**98	99%
Somchem MS200	<<locked>>	90%	30429	89%	**84	100%
[Somchem S221]*	<<locked>>	81%	30052	88%	**27	85%
Vihtavuori 3N37	<<locked>>	96%	30052	88%	**27	96%
Vihtavuori N310	<<locked>>	67%	28689	84%	**20	100%
Vihtavuori N320	<<locked>>	85%	30443	89%	**29	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	20827	61%	**1	100%
Vihtavuori N330	<<locked>>	88%	29530	87%	**75	100%
Vihtavuori N340 👍	<<locked>>	92%	30284	89%	**88	100%
Vihtavuori N350	<<locked>>	96%	27905	82%	**94	95%
Winchester 231	<<locked>>	71%	28732	84%	**25	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	94%	19479	57%	**30	81%
ADI AP 70N	<<locked>>	62%	19638	58%	**14	100%
ADI APS 350	<<locked>>	62%	20711	61%	**9	100%
ADI APS 450	<<locked>>	60%	18652	55%	**9	100%
ADI AS 30	<<locked>>	61%	16882	50%	**3	100%
ADI AS 50N	<<locked>>	60%	17172	50%	**2	100%
[Accurate No. 2]*	<<locked>>	61%	15374	45%	**9	89%
[Accurate No. 5]*	<<locked>>	61%	21770	64%	**83	86%
Accurate Solo 1000	<<locked>>	60%	16636	49%	**9	100%
Accurate Solo 1250	<<locked>>	62%	13474	40%	**9	97%
Alliant BULLSEYE	<<locked>>	61%	17738	52%	**8	96%
[Alliant POWER PISTOL]*	<<locked>>	79%	20131	59%	**83	81%
Alliant UNIQUE	<<locked>>	60%	12633	37%	**9	90%
Baschieri & Pellagri 100	<<locked>>	62%	15519	46%	**6	100%
Hodgdon Clays	<<locked>>	62%	20943	61%	**3	100%
Hodgdon HP38	<<locked>>	62%	27789	82%	**09	100%
[Hodgdon HS-6]*	<<locked>>	62%	18318	54%	**04	85%
[Hodgdon Longshot]*	<<locked>>	61%	19464	57%	**33	89%
Hodgdon Universal	<<locked>>	60%	15490	45%	**8	99%
Hodgdon TrailBoss	<<locked>>	82%	7556	22%	**6	98%
[Lovex D036]*	<<locked>>	61%	21741	64%	**79	85%
Lovex S011	<<locked>>	60%	20218	59%	**8	100%
Lovex S020	<<locked>>	61%	14620	43%	**5	95%
Maxam CSB 1	<<locked>>	62%	13053	38%	**0	96%
Maxam CSB 2	<<locked>>	61%	11835	35%	**9	99%
Maxam CSB 3	<<locked>>	61%	14620	43%	**3	100%
Maxam CSB 4	<<locked>>	62%	16650	49%	**2	100%
Maxam CSB 5	<<locked>>	61%	18507	54%	**2	100%
Ramshot Silhouette	<<locked>>	62%	18666	55%	**14	93%
Ramshot True Blue	<<locked>>	62%	21321	63%	**66	90%
Ramshot Zip	<<locked>>	61%	26672	78%	**99	100%
ReloadSwiss RS 12	<<locked>>	61%	16128	47%	**8	100%
ReloadSwiss RS 14	<<locked>>	86%	7252	21%	**9	94%
ReloadSwiss RS 20	<<locked>>	61%	11168	33%	**6	90%
Rottweil P 801	<<locked>>	61%	19479	57%	**4	100%
[Rottweil P 806]*	<<locked>>	85%	13924	41%	**20	81%
[SNPE Vectan A0]*	<<locked>>	60%	12560	37%	**0	89%
SNPE Vectan BA 9	<<locked>>	61%	15896	47%	**6	97%
SNPE Vectan BA10	<<locked>>	63%	22292	65%	**5	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	70%	13619	40%	**9	81%
SNPE Vectan BA9 1/2	<<locked>>	60%	14431	42%	**2	97%
[Shooters World Auto Pistol]*	<<locked>>	61%	21741	64%	**79	85%
Somchem MP200	<<locked>>	60%	14794	43%	**5	91%
Somchem MS200	<<locked>>	62%	14678	43%	**9	93%
[Somchem S221]*	<<locked>>	74%	23989	70%	**29	80%
[Vihtavuori 3N37]*	<<locked>>	65%	12488	37%	**3	81%
Vihtavuori N310	<<locked>>	60%	24004	70%	**5	100%
Vihtavuori N320	<<locked>>	60%	15011	44%	**9	100%
[Vihtavuori N32C Tin Star]²	<<locked>>	59%	8557	25%	**5	100%
Vihtavuori N330	<<locked>>	62%	13996	41%	**2	99%
Vihtavuori N340	<<locked>>	61%	13053	38%	**9	91%
[Vihtavuori N350]*	<<locked>>	66%	12024	35%	**0	80%
Winchester 231	<<locked>>	61%	21263	62%	**17	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