Load data for 9 x 21 + .355 | 121gr | Frontier Bullets CMJ FP atch

Recommended Powder(s): ADI AP 70N, ADI AS 50N, ReloadSwiss RS 12, Somchem S121, Vihtavuori N320

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.355 \| 121gr \| Frontier Bullets CMJ FP atch
Manufacturer SKU:	100107
Bullet Weight:	121gr \| 7.8g
Bullet Diameter:	0.355" \| 9.02mm
Bullet Length:	0.539" \| 13.7mm
Caliber:	9 x 21 load data
Case Length (l3):	0.830" \| 21.1mm
Cartridge Length (C.O.L.):	0.974" \| 24.8mm
Seated Depth:	0.395" \| 10.0mm
Shank Seated Depth:	0.395" \| 10.0mm
Case Capacity:	15.5 Grains of Water \| 1.01 cm³
Primer Size:	Small Pistol (SP)
Max. allowed Pressure:	34084 psi \| 2350 bar
LID:	LID_B10965_C1232
Last updated:	2025-11-05

Load data for 104 loads in caliber 9 x 21 with .355 | 121gr | Frontier Bullets CMJ FP atch bullet and 52 powders such as ADI AP 70N, ADI AS 50N, ReloadSwiss RS 12, Somchem S121, Vihtavuori N320. 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 70N 👍	<<locked>>	90%	30472	89%	**60	100%
ADI APS 350	<<locked>>	87%	30211	89%	**3	100%
ADI APS 450	<<locked>>	91%	30516	90%	**5	100%
ADI AS 30	<<locked>>	95%	29109	85%	**8	100%
ADI AS 50N 👍	<<locked>>	94%	30023	88%	**04	100%
Accurate No. 2	<<locked>>	94%	29515	87%	**4	92%
[Accurate No. 5]*	<<locked>>	80%	30023	88%	**60	83%
Accurate Solo 1000	<<locked>>	94%	28703	84%	**1	100%
Accurate Solo 1250	<<locked>>	97%	24149	71%	**1	98%
Alliant BULLSEYE	<<locked>>	92%	29269	86%	**60	97%
Alliant Sport Pistol	<<locked>>	86%	29863	88%	**63	96%
Alliant UNIQUE	<<locked>>	97%	23105	68%	**8	93%
Baschieri & Pellagri 100	<<locked>>	97%	28340	83%	**1	100%
Hodgdon Clays	<<locked>>	87%	30066	88%	**9	100%
Hodgdon HP38	<<locked>>	74%	30284	89%	**24	100%
[Hodgdon HS-6]*	<<locked>>	88%	30342	89%	**56	86%
[Hodgdon Longshot]*	<<locked>>	84%	30095	88%	**56	88%
Hodgdon TiteGroup	<<locked>>	67%	30008	88%	**4	100%
Hodgdon Universal	<<locked>>	97%	29153	86%	**43	100%
Hodgdon CFE Pistol	<<locked>>	96%	26614	78%	**07	99%
Lovex D032	<<locked>>	66%	29544	87%	**8	99%
[Lovex D036]*	<<locked>>	80%	29965	88%	**60	83%
Lovex S011	<<locked>>	83%	29385	86%	**1	100%
Lovex S020	<<locked>>	96%	28369	83%	**30	97%
Maxam CSB 1	<<locked>>	95%	21814	64%	**2	98%
Maxam CSB 2	<<locked>>	95%	20102	59%	**8	100%
Maxam CSB 3	<<locked>>	95%	25614	75%	**8	100%
Maxam CSB 4	<<locked>>	94%	27891	82%	**8	100%
Maxam CSB 5	<<locked>>	93%	30589	90%	**4	100%
Ramshot Silhouette	<<locked>>	89%	30139	88%	**63	94%
[Ramshot True Blue]*	<<locked>>	82%	29747	87%	**47	88%
Ramshot Zip	<<locked>>	74%	29196	86%	**14	100%
ReloadSwiss RS 12 👍	<<locked>>	95%	28355	83%	**53	100%
ReloadSwiss RS 20	<<locked>>	95%	20639	61%	**8	93%
Rottweil P 801	<<locked>>	89%	29950	88%	**30	100%
SNPE Vectan A0	<<locked>>	95%	22278	65%	**5	92%
SNPE Vectan BA 9	<<locked>>	96%	29631	87%	**07	99%
SNPE Vectan BA10	<<locked>>	85%	30501	89%	**5	100%
SNPE Vectan BA9 1/2	<<locked>>	96%	27253	80%	**01	99%
[Shooters World Auto Pistol]*	<<locked>>	80%	29965	88%	**60	83%
Shooters World Clean Shot	<<locked>>	66%	29544	87%	**8	99%
Shooters World Ultimate Pistol	<<locked>>	68%	30487	89%	**73	98%
Somchem MP200	<<locked>>	97%	29022	85%	**43	94%
Somchem MS200	<<locked>>	95%	25541	75%	**4	95%
Somchem S121 👍	<<locked>>	64%	29356	86%	**60	99%
[Vihtavuori 3N37]*	<<locked>>	96%	20900	61%	**8	83%
Vihtavuori N310	<<locked>>	79%	30385	89%	**5	100%
Vihtavuori N320 👍	<<locked>>	96%	28108	82%	**04	100%
Vihtavuori N32C Tin Star	<<locked>>	95%	14939	44%	**4	100%
Vihtavuori N330	<<locked>>	96%	24352	71%	**04	100%
Vihtavuori N340	<<locked>>	96%	24453	72%	**4	94%
Winchester 231	<<locked>>	82%	29196	86%	**14	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
ADI AP 70N	<<locked>>	62%	15650	46%	**3	95%
ADI APS 350	<<locked>>	62%	17434	51%	**2	100%
ADI APS 450	<<locked>>	63%	16375	48%	**8	100%
ADI AS 30	<<locked>>	63%	15026	44%	**1	100%
ADI AS 50N	<<locked>>	61%	14663	43%	**4	98%
[Accurate No. 2]*	<<locked>>	67%	14504	43%	**8	80%
[Accurate No. 5]*	<<locked>>	76%	26832	79%	**10	81%
[Accurate Solo 1000]²	<<locked>>	59%	13169	39%	**2	97%
[Accurate Solo 1250]*	<<locked>>	60%	10211	30%	**6	86%
[Alliant BULLSEYE]*	<<locked>>	63%	14721	43%	**1	86%
[Alliant Sport Pistol]*	<<locked>>	60%	15345	45%	**4	86%
[Alliant UNIQUE]*	<<locked>>	64%	11806	35%	**2	81%
Baschieri & Pellagri 100	<<locked>>	60%	11792	35%	**9	94%
Hodgdon Clays	<<locked>>	62%	17579	52%	**5	100%
Hodgdon HP38	<<locked>>	60%	20117	59%	**6	98%
[Hodgdon HS-6]*	<<locked>>	78%	22495	66%	**8	80%
[Hodgdon Longshot]*	<<locked>>	69%	18913	56%	**6	80%
Hodgdon TiteGroup	<<locked>>	62%	25744	76%	**5	100%
Hodgdon Universal	<<locked>>	60%	12415	36%	**5	91%
[Hodgdon CFE Pistol]*	<<locked>>	60%	11603	34%	**5	88%
Lovex D032	<<locked>>	60%	24381	72%	**5	97%
[Lovex D036]*	<<locked>>	76%	26774	79%	**10	81%
Lovex S011	<<locked>>	61%	16665	49%	**1	96%
[Lovex S020]*	<<locked>>	60%	11226	33%	**5	83%
[Maxam CSB 1]*	<<locked>>	60%	10138	30%	**6	86%
Maxam CSB 2	<<locked>>	63%	9761	29%	**5	93%
Maxam CSB 3	<<locked>>	62%	12285	36%	**5	95%
Maxam CSB 4	<<locked>>	63%	13518	40%	**1	98%
Maxam CSB 5	<<locked>>	60%	14330	42%	**1	100%
[Ramshot Silhouette]*	<<locked>>	61%	14417	42%	**4	81%
[Ramshot True Blue]*	<<locked>>	69%	20117	59%	**6	81%
Ramshot Zip	<<locked>>	60%	19580	57%	**6	98%
ReloadSwiss RS 12	<<locked>>	62%	12096	35%	**1	98%
[ReloadSwiss RS 20]*	<<locked>>	69%	11327	33%	**8	81%
[Rottweil P 801]²	<<locked>>	59%	14330	42%	**4	100%
[SNPE Vectan A0]*	<<locked>>	67%	12386	36%	**2	81%
[SNPE Vectan BA 9]*	<<locked>>	60%	12270	36%	**9	86%
SNPE Vectan BA10	<<locked>>	64%	18637	55%	**4	100%
[SNPE Vectan BA9 1/2]*	<<locked>>	60%	11821	35%	**5	88%
[Shooters World Auto Pistol]*	<<locked>>	76%	26774	79%	**10	81%
Shooters World Clean Shot	<<locked>>	60%	24381	72%	**5	97%
Shooters World Ultimate Pistol	<<locked>>	60%	24033	71%	**1	95%
[Somchem MP200]*	<<locked>>	62%	12807	38%	**8	80%
[Somchem MS200]*²	<<locked>>	59%	11342	33%	**2	81%
Somchem S121	<<locked>>	60%	25527	75%	**07	98%
[Vihtavuori 3N37]*	<<locked>>	92%	19609	58%	**9	81%
Vihtavuori N310	<<locked>>	61%	19058	56%	**4	100%
Vihtavuori N320	<<locked>>	61%	11893	35%	**8	97%
Vihtavuori N32C Tin Star	<<locked>>	71%	9514	28%	**9	100%
[Vihtavuori N330]*²	<<locked>>	59%	10211	30%	**2	88%
[Vihtavuori N340]*	<<locked>>	65%	11603	34%	**9	81%
Winchester 231	<<locked>>	63%	17347	51%	**0	96%

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